[Pdns-users] CNAME Resoluion

[Tony Annese]

Here is the unobfuscated data.. sip is just a cname to a microsoft lynq server. The barracuda cname already existed and it does resolve.


MariaDB [pdns]> select * from records where domain_id = 194 AND type = 'CNAME';
+--------+-----------+---------------------------------+-------+-------------------------------+------+------+-------------+----------+-----------+------+
| id     | domain_id | name                            | type  | content                       | ttl  | prio | change_date | disabled | ordername | auth |
+--------+-----------+---------------------------------+-------+-------------------------------+------+------+-------------+----------+-----------+------+
| 165361 |       194 | barracuda058130353572.icfd3.org | CNAME | encrypt.barracudanetworks.com | 7200 |    0 |  2021011400 |        0 | NULL      |    1 |
| 185146 |       194 | sip.icfd3.org                   | CNAME | sipdir.online.lync.com        | 3600 |    0 |  2022120202 |        0 | NULL      |    1 |
+--------+-----------+---------------------------------+-------+-------------------------------+------+------+-------------+----------+-----------+------+

root at nspower:~# dig @localhost barracuda058130353572.icfd3.org sip.icfd3.org

; <<>> DiG 9.10.3-P4-Debian <<>> @localhost barracuda058130353572.icfd3.org sip.icfd3.org
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31335
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1680
;; QUESTION SECTION:
;barracuda058130353572.icfd3.org. IN            A

;; ANSWER SECTION:
barracuda058130353572.icfd3.org. 7200 IN CNAME  encrypt.barracudanetworks.com.

;; Query time: 5 msec
;; SERVER: ::1#53(::1)
;; WHEN: Fri Dec 02 16:28:56 PST 2022
;; MSG SIZE  rcvd: 103

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 4463
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1680
;; QUESTION SECTION:
;sip.icfd3.org.                                              IN            A

;; Query time: 1 msec
;; SERVER: ::1#53(::1)
;; WHEN: Fri Dec 02 16:28:56 PST 2022
;; MSG SIZE  rcvd: 42

root at nspower:~#




Message: 1
Date: Sat, 3 Dec 2022 14:01:53 +0100
From: Jan-Piet Mens <list at mens.de>
To: "pdns-users at mailman.powerdns.com"
        <pdns-users at mailman.powerdns.com>
Subject: Re: [Pdns-users] CNAME Resoluion
Message-ID: <Y4tIwZyj0CibA5hI at rabbit.ww.mens.de>
Content-Type: text/plain; charset=us-ascii; format=flowed

>Any suggestions?

show whether sip. has other data and don't obfuscate names.

        -JP


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