[dns-operations] Github Down cause of DNS (dyne) problem ?

[Mathieu Goessens]

Hi,

Anybody seeing the same thing as me ?

$ dig github.com

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> github.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 53105
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;github.com.			IN	A

;; Query time: 3001 msec
;; SERVER: 192.44.77.1#53(192.44.77.1)
;; WHEN: Fri Oct 21 18:34:17 2016
;; MSG SIZE  rcvd: 28

$ dig ns github.com  @a.gtld-servers.net.

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> ns github.com 
@a.gtld-servers.net.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 9288
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 4
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;github.com.			IN	NS

;; AUTHORITY SECTION:
github.com.		172800	IN	NS	ns1.p16.dynect.net.
github.com.		172800	IN	NS	ns3.p16.dynect.net.
github.com.		172800	IN	NS	ns2.p16.dynect.net.
github.com.		172800	IN	NS	ns4.p16.dynect.net.

$ dig github.com @ns1.p16.dynect.net.

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> github.com @ns2.p16.dynect.net.
;; global options: +cmd
;; connection timed out; no servers could be reached

Same for ns2,3,4

Tested from a few AS in France

-- 
Mathieu Goessens
IT consultant.