[outages] Ebay dns record
Jay Ashworth
jra at baylink.com
Mon Oct 1 15:31:27 EDT 2012
----- Original Message -----
> From: "Christina Klam" <cklam at ias.edu>
> None of our ISPs' DNS servers can reach ebay. Expanding on that list,
> it appears that the only DNS servers able to dig ebay are the ones
> that cache. Is anyone else seeing this?
Looking good from FiOS St Pete:
=============================================================
jra at princeton:~/.ssh> dig +trace www.ebay.com
; <<>> DiG 9.8.3-P3 <<>> +trace www.ebay.com
;; global options: +cmd
. 3600 IN NS FWDR-8.FWDR-8.FWDR-8.FWDR-8.
. 3600 IN NS FWDR-4.FWDR-4.FWDR-8.FWDR-8.
. 3600 IN NS FWDR-8.FWDR-8.FWDR-8.FWDR-8.
. 3600 IN NS FWDR-4.FWDR-4.FWDR-4.FWDR-4.
;; Received 309 bytes from 192.168.0.1#53(192.168.0.1) in 336 ms
www.ebay.com. 57 IN A 66.135.200.161
www.ebay.com. 57 IN A 66.135.200.181
www.ebay.com. 57 IN A 66.135.210.61
www.ebay.com. 57 IN A 66.135.210.181
www.ebay.com. 57 IN A 66.211.181.161
www.ebay.com. 57 IN A 66.211.181.181
;; Received 126 bytes from 8.8.8.8#53(8.8.8.8) in 47 ms
jra at princeton:~/.ssh> dig +trace @a.root-servers.net www.ebay.com
; <<>> DiG 9.8.3-P3 <<>> +trace @a.root-servers.net www.ebay.com
; (1 server found)
;; global options: +cmd
. 518400 IN NS m.root-servers.net.
. 518400 IN NS a.root-servers.net.
. 518400 IN NS f.root-servers.net.
. 518400 IN NS c.root-servers.net.
. 518400 IN NS d.root-servers.net.
. 518400 IN NS b.root-servers.net.
. 518400 IN NS i.root-servers.net.
. 518400 IN NS j.root-servers.net.
. 518400 IN NS k.root-servers.net.
. 518400 IN NS h.root-servers.net.
. 518400 IN NS e.root-servers.net.
. 518400 IN NS g.root-servers.net.
. 518400 IN NS l.root-servers.net.
;; Received 512 bytes from 198.41.0.4#53(198.41.0.4) in 1174 ms
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
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 k.gtld-servers.net.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS m.gtld-servers.net.
;; Received 490 bytes from 199.7.83.42#53(199.7.83.42) in 1357 ms
ebay.com. 172800 IN NS sjc-dns1.ebaydns.com.
ebay.com. 172800 IN NS sjc-dns2.ebaydns.com.
ebay.com. 172800 IN NS smf-dns1.ebaydns.com.
ebay.com. 172800 IN NS smf-dns2.ebaydns.com.
;; Received 194 bytes from 192.55.83.30#53(192.55.83.30) in 589 ms
www.ebay.com. 300 IN A 66.135.210.61
www.ebay.com. 300 IN A 66.135.210.181
www.ebay.com. 300 IN A 66.211.181.161
www.ebay.com. 300 IN A 66.211.181.181
www.ebay.com. 300 IN A 66.135.200.161
www.ebay.com. 300 IN A 66.135.200.181
;; Received 126 bytes from 66.135.207.138#53(66.135.207.138) in 86 ms
=============================================================
I note that Google's DNS servers, which my router seems to be pointed at,
seem to be authoritative for *everything*; I'm not sure what I think about
that. Forcing a.root did show the results I expected, though.
Cheers,
-- jra
--
Jay R. Ashworth Baylink jra at baylink.com
Designer The Things I Think RFC 2100
Ashworth & Associates http://baylink.pitas.com 2000 Land Rover DII
St Petersburg FL USA #natog +1 727 647 1274
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