nanog mailing list archives

Re: Microsoft DNS issue


From: Mehmet Akcin <mehmet () akcin net>
Date: Fri, 24 Oct 2014 14:06:39 -0500

Replying offlist.

Mehmet 

On Oct 24, 2014, at 10:27 AM, Scott Voll <svoll.voip () gmail com> wrote:

we are seeing two of Microsofts DNS servers are giving out Private IP's.

Any idea who to contact to get it fixed?

Thanks

Scott


“Two of the authoritative servers for partners.extranet.microsoft.com are
giving unreachable private addresses for that domain”



##Query of dns11 gives unreachable private addresses

[ ~]$ dig @*dns11.one.microsoft.com <http://dns11.one.microsoft.com>
partners.extranet.microsoft.com <http://partners.extranet.microsoft.com>*



; <<>> DiG 9.9.3-rl.13207.22-P2-RedHat-9.9.3-15.P2.fc19 <<>> @
dns11.one.microsoft.com partners.extranet.microsoft.com

; (1 server found)

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6928

;; flags: qr rd ra; QUERY: 1, ANSWER: 21, AUTHORITY: 0, ADDITIONAL: 1



;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4000

;; QUESTION SECTION:

;partners.extranet.microsoft.com. IN    A



;; ANSWER SECTION:

partners.extranet.microsoft.com. 9 IN   A       10.251.94.19

partners.extranet.microsoft.com. 9 IN   A       10.251.94.18

partners.extranet.microsoft.com. 9 IN   A       10.251.67.137

partners.extranet.microsoft.com. 9 IN   A       10.251.67.4

partners.extranet.microsoft.com. 9 IN   A       10.251.58.95

partners.extranet.microsoft.com. 9 IN   A       10.251.172.137

partners.extranet.microsoft.com. 9 IN   A       10.251.172.136

partners.extranet.microsoft.com. 9 IN   A       10.147.87.135

partners.extranet.microsoft.com. 9 IN   A       10.251.26.13

partners.extranet.microsoft.com. 9 IN   A       10.251.58.94

partners.extranet.microsoft.com. 9 IN   A       10.251.172.135

partners.extranet.microsoft.com. 9 IN   A       10.251.174.149

partners.extranet.microsoft.com. 9 IN   A       10.147.63.134

partners.extranet.microsoft.com. 9 IN   A       10.147.63.135

partners.extranet.microsoft.com. 9 IN   A       10.251.26.14

partners.extranet.microsoft.com. 9 IN   A       10.147.88.134

partners.extranet.microsoft.com. 9 IN   A       10.147.63.136

partners.extranet.microsoft.com. 9 IN   A       10.251.168.246

partners.extranet.microsoft.com. 9 IN   A       10.251.58.97

partners.extranet.microsoft.com. 9 IN   A       10.251.168.247

partners.extranet.microsoft.com. 9 IN   A       10.251.58.96



;; Query time: 167 msec

;; SERVER: 94.245.124.49#53(94.245.124.49)

;; WHEN: Thu Oct 23 09:01:16 PDT 2014

;; MSG SIZE  rcvd: 396



##Query of dns13 gives unreachable private addresses

[ ~]$ dig @*dns13.one.microsoft.com <http://dns13.one.microsoft.com>
partners.extranet.microsoft.com <http://partners.extranet.microsoft.com>*



; <<>> DiG 9.9.3-rl.13207.22-P2-RedHat-9.9.3-15.P2.fc19 <<>> @
dns13.one.microsoft.com partners.extranet.microsoft.com

; (1 server found)

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47872

;; flags: qr rd ra; QUERY: 1, ANSWER: 21, AUTHORITY: 0, ADDITIONAL: 1



;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4000

;; QUESTION SECTION:

;partners.extranet.microsoft.com. IN    A



;; ANSWER SECTION:

partners.extranet.microsoft.com. 177 IN A       10.251.67.4

partners.extranet.microsoft.com. 177 IN A       10.251.168.246

partners.extranet.microsoft.com. 177 IN A       10.251.58.97

partners.extranet.microsoft.com. 177 IN A       10.251.168.247

partners.extranet.microsoft.com. 177 IN A       10.251.58.96

partners.extranet.microsoft.com. 177 IN A       10.251.94.19

partners.extranet.microsoft.com. 177 IN A       10.251.94.18

partners.extranet.microsoft.com. 177 IN A       10.251.174.149

partners.extranet.microsoft.com. 177 IN A       10.147.63.136

partners.extranet.microsoft.com. 177 IN A       10.251.58.95

partners.extranet.microsoft.com. 177 IN A       10.251.172.137

partners.extranet.microsoft.com. 177 IN A       10.251.172.136

partners.extranet.microsoft.com. 177 IN A       10.147.87.135

partners.extranet.microsoft.com. 177 IN A       10.251.26.13

partners.extranet.microsoft.com. 177 IN A       10.251.58.94

partners.extranet.microsoft.com. 177 IN A       10.251.172.135

partners.extranet.microsoft.com. 177 IN A       10.251.67.137

partners.extranet.microsoft.com. 177 IN A       10.147.63.134

partners.extranet.microsoft.com. 177 IN A       10.147.63.135

partners.extranet.microsoft.com. 177 IN A       10.251.26.14

partners.extranet.microsoft.com. 177 IN A       10.147.88.134



;; Query time: 16 msec

;; SERVER: 65.55.31.17#53(65.55.31.17)

;; WHEN: Thu Oct 23 09:01:28 PDT 2014

;; MSG SIZE  rcvd: 396


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