Can't reproduce issue from a Comcast residential connection in Silicon Valley, nor from a co-located server in San Diego. $ dig @SJC-DNS1.EBAYDNS.COM a www.ebay.com. ; <<>> DiG 9.8.3-P3 <<>> @SJC-DNS1.EBAYDNS.COM a www.ebay.com. ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34271 ;; flags: qr aa rd; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;www.ebay.com. IN A ;; ANSWER SECTION: 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 www.ebay.com. 300 IN A 66.135.210.61 www.ebay.com. 300 IN A 66.135.210.181 ;; Query time: 17 msec ;; SERVER: 66.135.207.137#53(66.135.207.137) ;; WHEN: Mon Oct 1 12:24:09 2012 ;; MSG SIZE rcvd: 126 $ dig @SJC-DNS2.EBAYDNS.COM a www.ebay.com. ; <<>> DiG 9.8.3-P3 <<>> @SJC-DNS2.EBAYDNS.COM a www.ebay.com. ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60185 ;; flags: qr aa rd; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;www.ebay.com. IN A ;; ANSWER SECTION: 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 www.ebay.com. 300 IN A 66.135.210.61 ;; Query time: 17 msec ;; SERVER: 66.135.207.138#53(66.135.207.138) ;; WHEN: Mon Oct 1 12:24:12 2012 ;; MSG SIZE rcvd: 126 $ dig @SMF-DNS1.EBAYDNS.COM a www.ebay.com. ; <<>> DiG 9.8.3-P3 <<>> @SMF-DNS1.EBAYDNS.COM a www.ebay.com. ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23132 ;; flags: qr aa rd; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;www.ebay.com. IN A ;; ANSWER SECTION: 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 www.ebay.com. 300 IN A 66.135.210.61 www.ebay.com. 300 IN A 66.135.210.181 ;; Query time: 37 msec ;; SERVER: 66.135.223.137#53(66.135.223.137) ;; WHEN: Mon Oct 1 12:24:15 2012 ;; MSG SIZE rcvd: 126 $ dig @SMF-DNS2.EBAYDNS.COM a www.ebay.com. ; <<>> DiG 9.8.3-P3 <<>> @SMF-DNS2.EBAYDNS.COM a www.ebay.com. ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10577 ;; flags: qr aa rd; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;www.ebay.com. IN A ;; ANSWER SECTION: www.ebay.com. 300 IN A 66.135.200.161 www.ebay.com. 300 IN A 66.135.200.181 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 ;; Query time: 34 msec ;; SERVER: 66.135.215.5#53(66.135.215.5) ;; WHEN: Mon Oct 1 12:24:17 2012 ;; MSG SIZE rcvd: 126 Nameserver list: ;; QUESTION SECTION: ;ebay.com. IN NS ;; ANSWER SECTION: ebay.com. 70893 IN NS smf-dns2.ebaydns.com. ebay.com. 70893 IN NS sjc-dns1.ebaydns.com. ebay.com. 70893 IN NS smf-dns1.ebaydns.com. ebay.com. 70893 IN NS sjc-dns2.ebaydns.com. ;; ADDITIONAL SECTION: sjc-dns1.ebaydns.com. 65373 IN A 66.135.207.137 smf-dns1.ebaydns.com. 64711 IN A 66.135.223.137 sjc-dns2.ebaydns.com. 64216 IN A 66.135.207.138 smf-dns2.ebaydns.com. 66428 IN A 66.135.215.5 SOA for ebay.com does indicate, assuming serial is to be interpreted in the usual YYYYMMDDnn format, that they haven't changed anything in ~2 days. ;; ANSWER SECTION: ebay.com. 3600 IN SOA sjc-dns1.ebaydns.com. hostmaster.ebay.com. 2012092800 3600 1800 604800 86400 Traceroute to any of the above DNS servers is worthless, as they appear to drop ICMP at the immediate borders of their networks. -- | Jeremy Chadwick jdc@koitsu.org | | UNIX Systems Administrator http://jdc.koitsu.org/ | | Mountain View, CA, US | | Making life hard for others since 1977. PGP 4BD6C0CB | On Mon, Oct 01, 2012 at 03:17:33PM -0400, Christina Klam wrote:
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?
-- Christina Christina Klam Network Administrator Institute for Advanced Study Email: cklam@ias.edu
Einstein Drive Telephone: 609-734-8154 Princeton, NJ 08540 Fax: 609-951-4418
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