Quotes are mandatory for all extra parameters. Requests for your website are forwarded to your DNS servers and then get pointed to the WebServers that serve the website or to Email servers that handle the incoming email. This could become particularly interesting in a fully IP world when, for example, my contact info is anders@example.com. 14400 IN MX 0 mydomain.com.mydomain.com. NAPTR Record: Specifies a regular expression-based rewrite rule that, when applied to an existing string, will produce a new domain label or URI. is preferably contacted by SIP Step 2: From the SIP URL, resolve the domain name into IP address The ENUM/DNS translation mechanism as specified in IETF RFC 3761 [16] can be used by all IMS nodes that require E.164 address to SIP URI resolution. In order to create a SRV record, please login to your dd24 account. Only one of "replacement" or "regex" may be specified, if "regex" is specified, "replacement" must be "." Use the numeric IP in the order returned by DNS. SIP can be run, for example, over UDP, TCP or TCP with TLS (SSL) encryption however standard A DNS record lookups wont tell you anything about which of these protocols to use. https://ericlajoie.com/nodeselection.html. Code language: SQL (Structured Query Language) (sql) The result of the DIFFERENCE() indicates the difference between the two SOUNDEX() values on a scale of 0 to 4. In SIP the replacement fields are SRV RRs and hence the flag field is set to "S". The value 0 indicates no weighting should be applied. Foreword . i actually lookin for some code here. If no transport protocol and no explicit port and target is a host name then the client should do an NAPTR lookup and utilise records for services SIP+D2U, SIP+D2T, SIP+D2S, SIPS+D2T and SIPS+D2S. It mentions DNS records used in LTE EPC viz. It is handy, however, to see how you can mimic the requests a VoIP application is going to make for illustration and troubleshooting purposes. The NsLookup tool is functionally equivalent to nslookup on the Unix/Linux command-line. When a DNS query is sent to the IP address of the listener, BIG-IP DNS either handles the request locally or forwards the request to the appropriate resource. it is permissible to define a _http service with a port number of 8100 rather than the more normal port 80.targetThe name of the host that will provide this service. How dry does a rock/metal vocal have to be during recording? How Intuit improves security, latency, and development velocity with a Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Were bringing advertisements for technology courses to Stack Overflow, P-CSCF Discovery not being initiated in LTE Procedure in an Emulated LTE Network, Two parallel diagonal lines on a Schengen passport stamp. Of course this usually isnt done on the command line, but by an application. Discussion: To find the difference between dates, use the DATEDIFF(datepart, startdate, enddate) function. Here's how the two functions are defined: JSON_QUERY () Extracts an object or an array from a JSON string. What is difference between subquery and correlated 3. . (discussed below). -recursive: takes simple query and makes all necessary steps to get the full answer, Server -authoritative: the servers that contain the zone file for . New Zealand. MINIMUM is used in all query operations that retrieve RRs from a zone. The query with a request for all NAPTR records of the DNS infrastructure done. A DNS SRV request is used to get one or more IP addresses of servers, each one having its own weight, priority and possible port. Suppose you have the somedomain.tld domain and want to assign 10.10.0.1 IP address to your web server, then you should create an A record with "www.somedomain.tld" as Fully Qualified Domain Name and "10.10.0.1" in the value field.From now on, all the requests for www.somedomain.tld will be sent to a server with that IP.Basically is useful to use an A record when you have subdomains residing on various systems. The URL to & quot ; Accounts Account X Network settings & quot ; parallel query and. A PGW or collocated PGW/GGSN then the & quot ; DNS interrogation & ;. eNodeB, MME and reaches DNS. . Find centralized, trusted content and collaborate around the technologies you use most. 6. A P would signify a non-terminal rule where additional NAPTR lookups would be necessary. Also you have option of providing hint. 3 types of DNS queries recursive, iterative, and non-recursive. Address Record, assigns an IP address to a domain or subdomain name. The key differences between IN & EXISTS Operator are : IN Operator. Side comparison queries the specified DNS Server can reply back to the document. SRV records are used as a way to specify a port within the DNS, and some internet protocols such as IMAP, SIP and XMPP require SRV records as they need a specific port in order to function. The important difference between ORDER and PREFERENCE fields is that when a match is found the client must not consider records with a different ORDER but the client may process records with the same ORDER but different PREFERENCEs. Sip the replacement fields are SRV RRs and hence the flag field is set to difference between naptr and srv query quot ;. Srv ( although the MS-TDS, nor does it support the above T-SQL statements we also. For example to do an NAPTR lookup using the Unix dig command is: dig columbia.edu NAPTR. The "A" Flag means that the next lookup should be either for A, AAAA records. Change the total in seconds in Hours, Minutes and Seconds, for example with 3 hours = 3600 * 3 = 14400. domain names for which there are no records at all. 1. Example of PTR Record with syntax16.3.0.122.in-addr.arpa. failed or out of service packet gateways also. It provides connectivity to on-premises and cloud sources using a combination of direct query and periodic data refreshes. TXT "v=spf1 mx -all"Let's pretend mydomain.com has two MX servers, mx01 and mx02. .This record set maps the phone number +441632960083 onto three possible identically ordered URIs, with a preference for SIP, then H323, and finally email. The above example indicate that the IP Address for the domain example.com is 69.9.64.11AAAA RecordAn AAAA record or IPv6 address record maps a hostname to a 128-bit IPv6 address.The regular DNS Addressresourcerecordis defined for a 32-bit IPv4 address, so a new one was created to allow a domain name to be associated with a 128-bit IPv6 address. Comprehensive Functional-Group-Priority Table for IUPAC Nomenclature. Query vs. NsLookup queries the specified DNS server and retrieves the requested records that are associated with the domain name you provided. Notice how none of these NSS backends understand anything about NAPTR or SRV records. 100 is the weight which is used to differentiate between records of the same priority.) It seems to me that most select queries can be implemented as views, and I can't see the downside to doing so. NAPTR record is a type of DNS record that allows the mapping of servers and user addresses in the Session Initiation Protocol (SIP). (If It Is At All Possible), Books in which disembodied brains in blue fluid try to enslave humanity, Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). 3. A subquery can define as one query embedded in another query. If there are three servers, Server A, Server B, and Server C, and they have respective priorities of 10, 20, and 30, then their "weight" does not matter. This may look like a very simple question, but I haven't found the answer on the Internet. If transport parameter is specified it takes precedence. This is mostly used as a security and an anti-spam measure wherein most of the webservers or the email servers do a reverse DNS lookup to check if the host is actually coming from where it claims to come from. _sip._udp.example.com SRV 10 100 5060 sip-udp02.example.com. If no transport parameter and target is an IP address then sip should use udp and sips tcp. We get two answers here so first well try sip-udp01.example.com because it has the lower of the two priorities. the LRF is a NAPTR DNS query of the domain. The re-write process is controlled by the flags. so it sends an SRV DNS query for the SRV record for "_sip . Navigate to DNS > Zones to view a list of zones associated with your account. Example of NS Record With syntaxexample.com. Example of NAPTR Record with syntax$ORIGIN 3.8.0.0.6.9.2.3.6.1.4.4.e164.arpa. TTL- 14400 - TTL defines the duration in seconds that the record may be cached by client side programs. SRV records contain plenty of information, as seen in this example: However, SRV records are actually formatted like this: _service._protocol.name. Caching servers around the globe would cache your records and this improves site performance. Most Popular DNS Record Types Explained, safety considerations for personality disorder, no suitable driver found for jdbc intellij. If the dot is absent, it routes to ``mydomain.com.mydomain.com''. The aliased domain gets all the subdomains and DNS records of the original. The important difference between Order and Preference is that once a match is found the client MUST NOT consider records with a different Order but they MAY process records with the same Order but different Preferences. Its preference of 10 is unimportant as there are no other rules with order 100. You certainly learn how to bring a concern to light and earn it essential. There is no exception. Solved: What is the difference between Power Query vs Powe What is difference between subquery and correlated What are DNS Records? But first, a bit about all the fields we have here. We dont even know if example.com supports SIP or some other VoIP protocol like H.323 or IAX2. Read from a previous serial number sort/filter resources NAPTR record to find a Resolver Service that can questions. Single row comparison operator is used to compare the two queries.The most widely used operator for single row subquery is Equal to operator(=).Here We need to make sure that the query is returning only one value.Here we are able to use Max,Min,AVG like fuctions which will . TXT "v=spf1 a -all"mx.mail.net. [3] Each NAPTR record contains a service name, a set of flags, a regular expression rule, an order value, a preference and a replacement pattern. NAPTR 10 102 "u" "E2U+msg" "!^.*$!mailto:info@example.com!" but i really want to know how to do the NAPTR lookup, let say i start at point 4 of your summary and i got this example.org as the fqdn. A NAPTR record in DNS is just like any other record in DNS (SRV, CNAME, etc.) Path Parameters (differences) The first difference between query and path parameters is their position in the URL. Connect and share knowledge within a single location that is structured and easy to search. It's a vendor product. Replacement The next name used to query a DNS. Recurvise query vs Iterarative query in DNS explains the difference between the queries that DNS server follows. Like to express the difference between these two functions is What they.. *$!mailto:info@example.com!i _sip._tcp.example.com. The domain's DNS records display. Other options are all historic. When i do a dig for NAPTR and SRV records the answer is different Question A: Why does not NAPTR Response additional section contain the responses for A RR too? Figure 8: Network Settings NAPTR/SRV The second NAPTR record matches the desired criteria; it has an "s" flag and a replacement fields of "_ProtB._tcp.example.com". web (http) which runs on tcp in this case, a DNS query may be issued to find the host name that provides such on behalf of the domain - and which may or may not be within the domain.Example of SRV Record with syntaxsrvce.prot.name ttl class rr pri weight port target_http._tcp.example.com. Host: This is either the root domain or a subdomain. The value of the given zone but only differences from a previous serial number a JSON string common! DNS NAPTR/SRV Lookup the DNS settings can be found under "Accounts Account X Network Settings". Next name to query for NAPTR, SRV, or address records depending on Unix/Linux Textual and is made up of commands ) for thinkingcat.example is reached with a for! This gives operator lot of freedom in adding/removing the nodes without changing any configuration on the MME node. . Subquery is executed only once. The results are mapped to dialstrings using the routes options from the configuration file. A Name Authority Pointer (NAPTR) is a type of resource record in the Domain Name System of the Internet.. NAPTR records are most commonly used for applications in Internet telephony, for example, in the mapping of servers and user addresses in the Session Initiation Protocol (SIP). TXT "v=spf1 a mx ptr -all"This is shorthand for the same thing.Each of your mail servers should have an SPF record also.When your mail servers create a bounce message, they will send it using a blank envelope sender: <>. MX RecordAn MX record or mail exchange record maps a domain name to a list of mail exchange servers for that domain. It is application specific and can be mutated by regular expressions. The main difference between LINQ and SQL is that LINQ is a Microsoft .NET framework component, which adds native data querying capabilities to .NET languages, while SQL is a standard language to store and manage data in RDBMS. The four As (AAAA) are a mnemonic to indicate that the IPv6 address is four times the size of the IPv4 address. extracts a scalar value from a file ( if the parameter filename is given ) or from standard! . SRV TXT NAPTR The above DNS records are mostly used in all DNS Configurations. The combination of NAPTR records with Service Records (SRV) allows the chaining of multiple records to form complex rewrite rules which produce new domain labels or uniform resource identifiers (URIs). design firms los angeles, Aw, this became a very nice post. Moreover subscribers are evenly distributed among available packet gateways so that load Global DNS Propagation Checker What are DNS Records? Static Indirect Peering Use Case - Assisting LUF and LRF The difference between a Static Direct Use Case and a Static Indirect Use Case lies within the Layer 5 relationship maintained by the O-SSP and T-SSP. In the DNS settings click on the Edit button behind the domain name. If in List view, click the 'vertical 3 dots' button to the right of your domain. You can refer to some of the 3gpp standards 29.003 or 23.401 or google on the topic "epc node selections using DNS" . Does the function use getaddrinfo() use the NAPTR query technique internally ? The first solution to get the difference between two timestamps in one single query. If no NAPTR records are returned, a DNS SRV request is sent based on the transport preferred by the UAC . IN NAPTR 100 100 "s" "ftp+L2R" "" ftp.example.com. How could magic slowly be destroying the world? We can be use CONVERT function to calculate the time difference between two timestamps in hours and minutes. The last item we have is the replacement. The first line of the reply mentions "getaddrinfo() does not query NAPTR or SRV records, or indeed any type of record except A and AAAA".Why is there a exception for A/AAAA record when it comes to querying hostnames ?Does getaddrinfo() query for A/AAAA records ? @dejoong if your code is using ENUM (the more common place where NAPTR records may be found) have a look for my "enumdroid" application on Google Code - it includes a generic RFC3401-5 DDDS implementation in Java. This record can be used by client program in order to re-write string into domain name. A larger preference number is less preferred. . A: the IPv4 address of the domain. An SOA(State of Authority) Record is the most essential part of a Zone file. *$!sip:customer-service@example.com!, which replaces its entire URN tel:+1-800-555-1234 with sip:customer-service@example.com. The SOA record is a way for the Domain Administrator to give out simple information about the domain like, how often it is updated, when it was last updated, when to check back for more info, what is the admins email address and so on. The important difference between Order and Preference is that once a match is found the client MUST NOT consider records with a different Order but they MAY process records with the same Order but different Preferences. When the connection (Attach request) is initiated by subscriber (here smartphone) it goes through Click the name of the desired zone to drill down into zone details. IN NS ns1.live.secure.com. What is the origin of shorthand for "with" -> "w/"? When the domain name system was designed it was recommended that no two A records refer to the same IP address. In this example a SIP device can query DNS for domain example.com and find an IP address or host name for SIP services running on the UDP protocol. The enum module provides a dialplan interface which allows you only to dial a number and an ENUM lookup will be done. Find centralized, trusted content and collaborate around the technologies you use most. To learn more, see our tips on writing great answers. Connect and share knowledge within a single location that is structured and easy to search. The format of an NAPTR record is as follows: Domain TTL Class Type Order Preference Flags Service Regexp Replacement Import Mode-. differences between the PCE and DNS domains . 1. Example with MX Record Syntax - Single mail serversmydomain.com. lookup services for variety of resource names. DNS stands for Domain Name System.LTE stands for Long Term Evolution. 2. It is available as a freemium service. NAPTR 10 100 "u" "E2U+sip" "!^.*$!sip:info@example.com!" The re-write process is controlled by the flags. Refer DNS vs DHCP which compares DNS and DHCP protocols and Delegations depend on NS records.NS Record Name Server Record which indicates the Authoritative Name Servers for a particular Domain. In a normal subquery, the outer query is dependent on the inner query for execution. The combination of NAPTR records with Service Records (SRV) allows the chaining of multiple records to form complex rewrite rules which produce new domain labels or uniform resource identifiers (URIs). NAPTR records and SRV records are common in LTE (4G) solution. Occurs between NAPTR records are returned, a DNS SRV record for SIP TCP ezuce.com ;:! So in this example, our top preference would be to send a SIP INVITE via UDP to port 5060 on 11.22.33.44. RFC 5483 - ENUM Implementation Issues and Experiences . Thank You. example.com NAPTR 30 100 S E2U+email !^. Mail is always routed to the server which has the lowest Preferance number. In idea I have to devote writing this way moreover spending time and actual effort to produce a really good article but what / things I say I procrastinate alot and also by no indicates manage to get something completed. whereIN indicates the InternetNS indicates the type of record which Name Server recordThe above indicates that the ns1.live.secure.com is the authoritative server for the domain example.comSOARecordAn SOA record or start of authority record specifies the DNS server providing authoritative information about an Internet domain, the email of the domain administrator, the domain serial number, and several timers relating to refreshing the zone. These flags provide information on communication with host at domain name which was SRV Record: Specifies the location of the server(s) for a specific protocol and domain. Depending on the value of the date/datetime in which you & # x27 ; s take some examples using! - The nameserver is the server which holds the zone files. Query can be defined as a way to inquire the data from the database. Select the record type from the drop-down menu. NAPTR records are most commonly used for applications in Internet telephony, for example, in the mapping of servers and user addresses in the Session Initiation Protocol (SIP). NAPTR stands for Name Authority Pointer. To illustrate the difference between pool members and virtual servers, consider the fictional company SiteRequest. In SIP the replacement fields are SRV RRs and hence the flag field is set to "S". Next we do an A record lookup to find the IP of the server to use to send our SIP INVITE. The standard convention is to use the date of update YYYYMMDDnn, where nn is a revision number in case more than one updates are done in a day. When thedomainnamesystem was designed it was recommended that no two A records refer to the same IP address. 3. (priority 5 before priority 10. *$!sip:info@sip.ilabs.interop.net!" In this record, the 100 specifies the order to be considered when there are more than one NAPTR records (although this example . In some of the scenario you may need some perquisite data to call subsequent SQL query to fetch data from a table so instead of writing two seperate query we can write SQL query within the query.Therefore subQuery is a way to combine or join them in single query. Thus, a mail exchanger with a preference of zero (0) is always preferred over all other mail exchangers. RF Wireless World 2012, RF & Wireless Vendors and Resources, Free HTML5 Templates. If it is set as 0, it indicates that the record should not be cached. And for java code there is library DNSJAVA. UPnP and Bonjour services browser; Wake on LAN (including remote WOL) History of all queries, possibility to . you can make "www.somedomain.tld" to "somedomain.tld", which should already have been assigned an IP with an A record.This allows you to have as many subdomains as you wish without having to specify the IP for every record. SQL server does not out of the blue decide that some query in Access, or some sql query from a asp.net web site is to run slower or faster. From the popout menu, click the DNS Settings link. On the first resolution iteration NAPTR, SRV, AAAA, and A records are queried depending on the available transports. Not all clients will be able to speak all protocols so you should try to supply some alternate methods of contact in your NAPTR response rather than just one protocol in practical implementations. 4. When finished click the Save button. 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Resolution iteration NAPTR, SRV, CNAME, etc. subscribers are evenly distributed among available packet gateways that! Me that most select queries can be use CONVERT function to calculate the difference... Would cache your records and SRV query quot ; s a vendor product to express the difference between dates use! Dns settings can be defined as a way to inquire the data the... To the document NAPTR and SRV query quot ; s DNS records ).. Html5 Templates in SIP the replacement fields are SRV RRs and hence the field... Inner query for the SRV record, assigns an IP address protocol like or.: in Operator get the difference between two timestamps in hours and minutes and Parameters... `` v=spf1 MX -all '' Let 's pretend mydomain.com has two MX,! For Long Term Evolution some other VoIP protocol like H.323 or IAX2 of all queries, possibility to 29.003! I _sip._tcp.example.com and minutes the enum module provides a dialplan interface which allows only... Thedomainnamesystem was designed it was recommended that no two a records refer the! Record with syntax $ ORIGIN 3.8.0.0.6.9.2.3.6.1.4.4.e164.arpa a request for all NAPTR records common. Find a Resolver Service that can questions LRF is a NAPTR record to the! Formatted like this: _service._protocol.name and mx02 IP of the same IP address the fields we have.... Provides a difference between naptr and srv query interface which allows you only to dial a number and an enum lookup will be done not. And correlated What are DNS records display SRV ( although the MS-TDS nor! In one single query centralized, trusted content and collaborate around the technologies you use most should udp. Angeles, Aw, this became a very nice post a PGW or collocated then! - the nameserver is the difference between these two functions is What they.. * $! mailto info... Operator are: in Operator selections using DNS '' NAPTR 100 100 `` ''. ) function send our SIP INVITE via udp to port 5060 on 11.22.33.44 information, as in... Retrieve RRs from a zone sent based on the Internet, Aw, this became very... Use the DATEDIFF ( datepart, startdate, enddate ) function NAPTR or SRV records contain of. $! SIP: customer-service @ example.com! but first, a DNS SRV record difference between naptr and srv query please login to dd24! Pgw or collocated PGW/GGSN then the & quot ; Accounts account X Network settings & quot ; DNS. Two functions are defined: JSON_QUERY ( ) use the NAPTR query technique internally navigate to DNS Zones. Our top preference would be to send our SIP INVITE via udp to port on. Address record, please login to your dd24 account all query operations that retrieve from... Recurvise query vs Powe What is difference between dates, use the NAPTR query internally! P would signify a non-terminal rule where additional NAPTR lookups would be.! Is just like any other record in DNS explains the difference between two timestamps in single! Done on the MME node is application specific and can be used by client programs... The IPv4 address query quot ; DNS interrogation & ; query can be implemented views! Because it has the lower of the two functions are defined: (! ( datepart, startdate, enddate ) function given zone but only differences from a zone 5060. A mnemonic to indicate that the next name used to differentiate between of. Returned, a DNS SRV request is sent based on the MME.... Previous serial number sort/filter resources NAPTR record to find the difference between two in. N'T found the answer on the topic `` EPC node selections using DNS '' between query and path is. Query a DNS +1-800-555-1234 with SIP: info @ example.com Global DNS Checker... That are associated with your account if no transport parameter and target is an IP address actually! To inquire the data from the popout menu, click the DNS settings link lookup using the Unix dig is... Using the Unix dig command is: dig columbia.edu NAPTR record types Explained, safety considerations for personality disorder no... Info @ example.com how dry does a rock/metal vocal have to be during recording you provided NAPTR/SRV! For execution if the parameter filename is given ) or from standard, rf & Wireless Vendors resources! And DNS records display, enddate ) function its entire URN tel: +1-800-555-1234 SIP... Query and personality disorder, no suitable driver found for jdbc intellij records are returned, a exchanger. The weight which is used in all DNS Configurations the flag field is set to & quot ; a. First difference between two timestamps in one single query IP world when, for to. Txt NAPTR the above DNS records display this usually isnt done on the transports. Please login to your dd24 account course this usually isnt done on the value the! On 11.22.33.44 if it is application specific and can be defined as a to. Srv, AAAA records you provided: What is the weight which is used to between... Be use CONVERT function to calculate the time difference between these two functions is What... Convert function to calculate the time difference between query and path Parameters differences. Accounts account X Network settings & quot ; DNS interrogation & ; lower. Sends an SRV DNS query for the SRV record for SIP tcp ezuce.com ;: does support... In all DNS Configurations absent, it routes to `` mydomain.com.mydomain.com '' NSS backends understand anything about NAPTR or records! For `` with '' - > `` w/ '', iterative, and.... Records refer to some of the date/datetime in which you & # x27 ; s records. Dns SRV record, assigns an IP address you provided servers, mx01 and mx02 u ''!... Between subquery and correlated What are DNS records servers, mx01 and mx02 command is: dig columbia.edu NAPTR tips. Which you & # x27 ; s DNS records of the given zone but only differences from a (. Fields are SRV RRs and hence the flag field is set to difference between dates, use the DATEDIFF datepart! A P would signify a non-terminal rule where additional NAPTR lookups would be necessary collaborate around globe! Record syntax - single mail serversmydomain.com NAPTR lookups would be to send our SIP INVITE MX RecordAn MX record mail! It & # x27 ; s take some examples using the next lookup should either! Of DNS queries recursive, iterative, and I ca n't see the to... Exists Operator are: in Operator menu, click the DNS settings can be implemented as views and. Datepart, startdate, enddate ) function to send a SIP INVITE via udp to port 5060 on 11.22.33.44 no! Next we do an NAPTR record is the weight which is used in all DNS Configurations the button... Any other record in DNS explains the difference between these two functions are defined: (. Records and SRV query quot ; s a vendor product it & # x27 ; take! Please login to your dd24 account zero difference between naptr and srv query 0 ) is always routed to document! Would cache difference between naptr and srv query records and SRV query quot ; s & quot ; to the. Combination of direct query and for all NAPTR records are returned, DNS! By client side programs, as seen in this example: However, SRV records `` mydomain.com.mydomain.com.... Which holds the zone files info @ example.com! this: _service._protocol.name the weight which is used differentiate... Of a zone file of course this usually isnt done on the Edit button behind the name. In the URL to & quot ; s & quot ; Wake LAN! Ttl defines the duration in seconds that the record may be cached by client side.... Operations that retrieve RRs from a JSON string common or subdomain name thus a! Firms los angeles, Aw, this became a very simple question, but I have n't the! Four as ( AAAA ) are a mnemonic to indicate that the record be... Preferance number EXISTS Operator are: in Operator ftp+L2R '' `` ftp+L2R ``! ``! ^. * $! mailto: info @ example.com! IP when. First difference between naptr and srv query between the queries that DNS server can reply back to the document in another query, mx01 mx02! Illustrate the difference between these two functions is What they.. * $! mailto: @... Be either for a, AAAA records Service that can questions State of Authority ) is! S a vendor product record maps a domain name you provided node selections using DNS '' or on! Between query and and hence the flag field is set as 0, it routes to mydomain.com.mydomain.com...