[v6z] Re: IPv6 day fun is beginning!

Seth Mattinen sethm at rollernet.us
Tue Jun 7 19:36:18 CDT 2011


On 6/7/2011 17:16, Scott Howard wrote:
> That's because you're asking the wrong nameservers.  The response you're
> getting is pointing you to the correct nameservers (glb1/glb2.facebook.com)
> which are defintely returning AAAA records for me :
> 
> $ dig +short aaaa www.facebook.com @glb1.facebook.com
> 2620:0:1c08:4000:face:b00c:0:3
> 


Now I'm seeing it. Quite the short TTL:

; <<>> DiG 9.6-ESV-R4 <<>> AAAA www.facebook.com @glb2.facebook.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34595
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;www.facebook.com.              IN      AAAA

;; ANSWER SECTION:
www.facebook.com.       30      IN      AAAA    2620:0:1c00:0:face:b00c:0:1

;; Query time: 34 msec
;; SERVER: 69.171.255.10#53(69.171.255.10)
;; WHEN: Tue Jun  7 17:32:31 2011
;; MSG SIZE  rcvd: 62



Earlier I was getting no AAAA:

; <<>> DiG 9.6-ESV-R4 <<>> AAAA www.facebook.com @glb2.facebook.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32876
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;www.facebook.com.              IN      AAAA

;; AUTHORITY SECTION:
www.facebook.com.       500     IN      SOA     glb01.sf2p.tfbnw.net.
hostmaster.facebook.com. 2008102433 10800 3600 604800 86400

;; Query time: 29 msec
;; SERVER: 69.171.255.10#53(69.171.255.10)
;; WHEN: Tue Jun  7 16:27:29 2011
;; MSG SIZE  rcvd: 101





More information about the NANOG mailing list