Yahoo DNS broken?

Kyle Rollin kyle at geekmedic.us
Wed Dec 3 14:47:44 CST 2008


Interesting, as my nslookup..

> www.yahoo.com
Server:  ns1.hostremote.net
Address:  66.187.130.31

Non-authoritative answer:
Name:    www.yahoo-ht3.akadns.net
Address:  209.191.93.52
Aliases:  www.yahoo.com

And yes, I can hit http://www.yahoo.com in a web browser. Works for me. 

-Kyle

-----Original Message-----
From: Dave Larter [mailto:dave at stayonline.com] 
Sent: Wednesday, December 03, 2008 3:43 PM
To: Larry Daberko; nanog at nanog.org
Subject: RE: Yahoo DNS broken?

Yes, www.yahoo.com is unreachable for me too, but mail.yahoo.com and
login.yahoo.com are up. 

-----Original Message-----
From: Larry Daberko [mailto:larryd at iservetech.com] 
Sent: Wednesday, December 03, 2008 3:37 PM
To: nanog at nanog.org
Subject: Yahoo DNS broken?

I am unable to resolve www.yahoo.com.  Tracing DNS back from the root
servers shows that www.yahoo.com is a CNAME to www.wa1.b.yahoo.com and
there are no A records for that hostname.

Anyone have more details or a Yahoo contact?  I'm unable to get to their
webpage as it is :-)

-Larry Daberko
iServe Technologies



 
$ dig @ns1.yahoo.com www.yahoo.com
 
; <<>> DiG 9.4.2 <<>> @ns1.yahoo.com www.yahoo.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56431
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; WARNING: recursion requested but not available
 
;; QUESTION SECTION:
;www.yahoo.com.                 IN      A
 
;; ANSWER SECTION:
www.yahoo.com.          300     IN      CNAME   www.wa1.b.yahoo.com.
 
;; AUTHORITY SECTION:
wa1.b.yahoo.com.        300     IN      NS      yf1.yahoo.com.
wa1.b.yahoo.com.        300     IN      NS      yf2.yahoo.com.
 
;; ADDITIONAL SECTION:
yf1.yahoo.com.          1800    IN      A       68.142.254.15
yf2.yahoo.com.          1800    IN      A       68.180.130.15
 
;; Query time: 15 msec
;; SERVER: 68.180.131.16#53(68.180.131.16)
;; WHEN: Wed Dec  3 15:34:09 2008
;; MSG SIZE  rcvd: 123

 
but looking up the host itself gives no answer
 
 
$ dig @ns1.yahoo.com www.wa1.b.yahoo.com
 
; <<>> DiG 9.4.2 <<>> @ns1.yahoo.com www.wa1.b.yahoo.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34875
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
;; WARNING: recursion requested but not available
 
;; QUESTION SECTION:
;www.wa1.b.yahoo.com.           IN      A
 
;; AUTHORITY SECTION:
wa1.b.yahoo.com.        300     IN      NS      yf1.yahoo.com.
wa1.b.yahoo.com.        300     IN      NS      yf2.yahoo.com.
 
;; ADDITIONAL SECTION:
yf1.yahoo.com.          1800    IN      A       68.142.254.15
yf2.yahoo.com.          1800    IN      A       68.180.130.15
 
;; Query time: 15 msec
;; SERVER: 68.180.131.16#53(68.180.131.16)
;; WHEN: Wed Dec  3 15:35:07 2008
;; MSG SIZE  rcvd: 105








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