Hi, Here is the dig results, yes it seems only happened to www gizmos:~ david$ dig www.cisco.com +trace ; <<>> DiG 9.8.3-P1 <<>> www.cisco.com +trace ;; global options: +cmd . 131 IN NS c.root-servers.net. . 131 IN NS d.root-servers.net. . 131 IN NS i.root-servers.net. . 131 IN NS l.root-servers.net. . 131 IN NS a.root-servers.net. . 131 IN NS f.root-servers.net. . 131 IN NS k.root-servers.net. . 131 IN NS b.root-servers.net. . 131 IN NS m.root-servers.net. . 131 IN NS e.root-servers.net. . 131 IN NS j.root-servers.net. . 131 IN NS h.root-servers.net. . 131 IN NS g.root-servers.net. ;; Received 228 bytes from 103.234.208.150#53(103.234.208.150) in 2473 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 491 bytes from 198.97.190.53#53(198.97.190.53) in 799 ms cisco.com. 172800 IN NS ns1.cisco.com. cisco.com. 172800 IN NS ns2.cisco.com. cisco.com. 172800 IN NS ns3.cisco.com. ;; Received 217 bytes from 192.26.92.30#53(192.26.92.30) in 1197 ms cisco.com. 86400 IN SOA edns-rtp5-1-l. postmaster.cisco.com. 16034550 7200 1800 864000 86400 ;; Received 91 bytes from 72.163.5.201#53(72.163.5.201) in 243 ms gizmos:~ david$ dig cisco.com +trace ; <<>> DiG 9.8.3-P1 <<>> cisco.com +trace ;; global options: +cmd . 120 IN NS b.root-servers.net. . 120 IN NS c.root-servers.net. . 120 IN NS j.root-servers.net. . 120 IN NS e.root-servers.net. . 120 IN NS m.root-servers.net. . 120 IN NS l.root-servers.net. . 120 IN NS h.root-servers.net. . 120 IN NS a.root-servers.net. . 120 IN NS g.root-servers.net. . 120 IN NS k.root-servers.net. . 120 IN NS i.root-servers.net. . 120 IN NS d.root-servers.net. . 120 IN NS f.root-servers.net. ;; Received 228 bytes from 103.234.208.150#53(103.234.208.150) in 48 ms com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN NS a.gtld-servers.net. ;; Received 499 bytes from 192.36.148.17#53(192.36.148.17) in 41 ms cisco.com. 172800 IN NS ns1.cisco.com. cisco.com. 172800 IN NS ns2.cisco.com. cisco.com. 172800 IN NS ns3.cisco.com. ;; Received 213 bytes from 192.31.80.30#53(192.31.80.30) in 355 ms cisco.com. 86400 IN A 72.163.4.161 cisco.com. 86400 IN NS ns2.cisco.com. cisco.com. 86400 IN NS ns3.cisco.com. cisco.com. 86400 IN NS ns1.cisco.com. ;; Received 229 bytes from 72.163.5.201#53(72.163.5.201) in 415 ms Thank you Best regards, David S. ------------------------------------------------ e. david@zeromail.us On Sat, Mar 19, 2016 at 12:53 PM, John Kinsella <jlk@thrashyour.com> wrote:
Confirmed in Northern California, on all 3 primary NS servers. A little Friday night maintenance window, maybe?
Looks like it’s just the www record...
On Mar 18, 2016, at 10:38 PM, Dmitry Sherman <dmitry@interhost.net> wrote:
dig www.cisco.com @8.8.8.8
; <<>> DiG 9.8.3-P1 <<>> www.cisco.com @8.8.8.8 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60416 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION: ;www.cisco.com. IN A
;; AUTHORITY SECTION: cisco.com. 1247 IN SOA edns-rtp5-1-l. postmaster.cisco.com. 16034550 7200 1800 864000 86400
;; Query time: 94 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Sat Mar 19 07:36:22 2016 ;; MSG SIZE rcvd: 91
— Dmitry Sherman Interhost Networks Ltd dmitry@interhost.net office: 972-74-7029881 mobile: 972-54-3181182 http://www.interhost.co.il