[outages] DNS resolution of ebay.com

[Josh Luthman]

C:\Users\jluthman>dig ebay.com @4.2.2.2

; <<>> DiG 9.3.2 <<>> ebay.com @4.2.2.2
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1415
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
ebay.com.               2554    IN      A       66.211.160.88
ebay.com.               2554    IN      A       66.135.205.13
ebay.com.               2554    IN      A       66.135.205.14
ebay.com.               2554    IN      A       66.211.160.87

;; Query time: 23 msec
;; SERVER: 4.2.2.2#53(4.2.2.2)
;; WHEN: Tue Jan 17 15:30:13 2012
;; MSG SIZE  rcvd: 90


C:\Users\jluthman>dig ebay.com @8.8.8.8

; <<>> DiG 9.3.2 <<>> ebay.com @8.8.8.8
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1039
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
ebay.com.               1368    IN      A       66.211.160.88
ebay.com.               1368    IN      A       66.135.205.13
ebay.com.               1368    IN      A       66.135.205.14
ebay.com.               1368    IN      A       66.211.160.87

;; Query time: 36 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Jan 17 15:30:18 2012
;; MSG SIZE  rcvd: 90

Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373



On Tue, Jan 17, 2012 at 3:20 PM, Frank Bulk - iName.com
<frnkblk at iname.com> wrote:
> We've received two calls complaining about access to www.ebay.com.  Further
> checking shows that none of our DNS servers can resolve either www.ebay.com
> or ebay.com.  DIG returns a "timed out".  Flushing our caches made no
> difference, and our upstream provider's DNS servers are acting the same way.
>
> Digging against 8.8.8.8 works fine, but against the 4 NS servers listed for
> ebay, they don't, probably because their DNS server is all ebaydns.com.
>
>
> nagios:/tmp# dig A ebay.com @96.31.0.5
>
> ; <<>> DiG 9.7.3 <<>> A ebay.com @96.31.0.5
> ;; global options: +cmd
> ;; connection timed out; no servers could be reached
> nagios:/tmp# dig A ebay.com @167.142.225.5
>
> ; <<>> DiG 9.7.3 <<>> A ebay.com @167.142.225.5
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 41569
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;ebay.com.                      IN      A
>
> ;; Query time: 4433 msec
> ;; SERVER: 167.142.225.5#53(167.142.225.5)
> ;; WHEN: Tue Jan 17 14:19:12 2012
> ;; MSG SIZE  rcvd: 26
>
> nagios:/tmp#
>
> nagios:/tmp# dig NS ebay.com @8.8.8.8
>
> ; <<>> DiG 9.7.3 <<>> NS ebay.com @8.8.8.8
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58612
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;ebay.com.                      IN      NS
>
> ;; ANSWER SECTION:
> ebay.com.               63033   IN      NS      sjc-dns2.ebaydns.com.
> ebay.com.               63033   IN      NS      smf-dns2.ebaydns.com.
> ebay.com.               63033   IN      NS      smf-dns1.ebaydns.com.
> ebay.com.               63033   IN      NS      sjc-dns1.ebaydns.com.
>
> ;; Query time: 37 msec
> ;; SERVER: 8.8.8.8#53(8.8.8.8)
> ;; WHEN: Tue Jan 17 14:18:22 2012
> ;; MSG SIZE  rcvd: 126
>
> nagios:/tmp#
>
>
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