[dns-operations] imdb.com (i.media-imdb.com (iwi.media-imdb.com))
Bob Paolucci
Bob.Paolucci at rci.rogers.com
Mon Mar 7 20:46:38 UTC 2011
Hey Guys,
First let me apologize for any sig that's attached to this email...
Second, any other carriers having issues with content from imdb.com?
Symptoms for our customers, they get an incomplete load of the webpage,
formatting is all wrong.
Looks like it may have something to do with DNS resolution for :
i.media-imdb.com (iwi.media-imdb.com)
Could this come down to the CNAME being at the zone apex
Could have something to do with the resolver we're using not liking
that.
Here's what we see:
bash-2.05$ dig i.media-imdb.com @dns7.wlfdle
; <<>> DiG 9.2.2 <<>> i.media-imdb.com @dns7.wlfdle
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 34504
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;i.media-imdb.com. IN A
;; Query time: 118 msec
;; SERVER: 192.168.11.147#53(dns7.wlfdle)
;; WHEN: Mon Mar 7 20:42:54 2011
;; MSG SIZE rcvd: 34
bash-2.05$ dig i.media-imdb.com @dns7.wlfdle +trace
; <<>> DiG 9.2.2 <<>> i.media-imdb.com @dns7.wlfdle +trace
;; global options: printcmd
. 506608 IN NS f.root-servers.net.
. 506608 IN NS j.root-servers.net.
. 506608 IN NS b.root-servers.net.
. 506608 IN NS a.root-servers.net.
. 506608 IN NS d.root-servers.net.
. 506608 IN NS i.root-servers.net.
. 506608 IN NS h.root-servers.net.
. 506608 IN NS g.root-servers.net.
. 506608 IN NS m.root-servers.net.
. 506608 IN NS e.root-servers.net.
. 506608 IN NS c.root-servers.net.
. 506608 IN NS l.root-servers.net.
. 506608 IN NS k.root-servers.net.
;; Received 492 bytes from 192.168.11.147#53(dns7.wlfdle) in 2 ms
com. 172800 IN NS m.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
com. 172800 IN NS j.gtld-servers.net.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS k.gtld-servers.net.
com. 172800 IN NS h.gtld-servers.net.
com. 172800 IN NS i.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
;; Received 494 bytes from 192.5.5.241#53(f.root-servers.net) in 6 ms
media-imdb.com. 172800 IN NS pdns3.ultradns.org.
media-imdb.com. 172800 IN NS pdns4.ultradns.org.
media-imdb.com. 172800 IN NS pdns1.ultradns.net.
media-imdb.com. 172800 IN NS pdns2.ultradns.net.
media-imdb.com. 172800 IN NS pdns5.ultradns.info.
media-imdb.com. 172800 IN NS pdns6.ultradns.co.uk.
;; Received 237 bytes from 192.55.83.30#53(m.gtld-servers.net) in 51 ms
i.media-imdb.com. 180 IN CNAME iwi.media-imdb.com.
iwi.media-imdb.com. 7200 IN NS ns-921.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-911.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-923.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-931.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-932.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-912.amazon.com.
;; Received 189 bytes from 199.7.68.1#53(pdns3.ultradns.org) in 25 ms
bash-2.05$
bash-2.05$ dig iwi.media-imdb.com. @dns7.wlfdle
; <<>> DiG 9.2.2 <<>> iwi.media-imdb.com. @dns7.wlfdle
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 54118
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;iwi.media-imdb.com. IN A
;; Query time: 1438 msec
;; SERVER: 192.168.11.147#53(dns7.wlfdle)
;; WHEN: Mon Mar 7 20:43:53 2011
;; MSG SIZE rcvd: 36
bash-2.05$ dig iwi.media-imdb.com. @dns7.wlfdle +trace
; <<>> DiG 9.2.2 <<>> iwi.media-imdb.com. @dns7.wlfdle +trace
;; global options: printcmd
. 506572 IN NS f.root-servers.net.
. 506572 IN NS j.root-servers.net.
. 506572 IN NS b.root-servers.net.
. 506572 IN NS a.root-servers.net.
. 506572 IN NS d.root-servers.net.
. 506572 IN NS i.root-servers.net.
. 506572 IN NS h.root-servers.net.
. 506572 IN NS g.root-servers.net.
. 506572 IN NS m.root-servers.net.
. 506572 IN NS e.root-servers.net.
. 506572 IN NS c.root-servers.net.
. 506572 IN NS l.root-servers.net.
. 506572 IN NS k.root-servers.net.
;; Received 492 bytes from 192.168.11.147#53(dns7.wlfdle) in 2 ms
com. 172800 IN NS h.gtld-servers.net.
com. 172800 IN NS i.gtld-servers.net.
com. 172800 IN NS j.gtld-servers.net.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
com. 172800 IN NS m.gtld-servers.net.
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS k.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
;; Received 496 bytes from 192.5.5.241#53(f.root-servers.net) in 5 ms
media-imdb.com. 172800 IN NS pdns3.ultradns.org.
media-imdb.com. 172800 IN NS pdns4.ultradns.org.
media-imdb.com. 172800 IN NS pdns1.ultradns.net.
media-imdb.com. 172800 IN NS pdns2.ultradns.net.
media-imdb.com. 172800 IN NS pdns5.ultradns.info.
media-imdb.com. 172800 IN NS pdns6.ultradns.co.uk.
;; Received 239 bytes from 192.54.112.30#53(h.gtld-servers.net) in 118
ms
iwi.media-imdb.com. 7200 IN NS ns-921.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-911.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-923.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-931.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-932.amazon.com.
iwi.media-imdb.com. 7200 IN NS ns-912.amazon.com.
;; Received 169 bytes from 199.7.68.1#53(pdns3.ultradns.org) in 23 ms
iwi.media-imdb.com. 60 IN CNAME iai.media-imdb.com.
;; Received 54 bytes from 72.21.192.209#53(ns-921.amazon.com) in 17 ms
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