On 02/20/2010 09:26 AM, Wes Young wrote:
http://twitter.com/#search?q=facebook -- 200 tweets / min describing a face-book outage.
I don't tweet or use facebook, but.... Seeing DNS resolution failures from here (Denver on Cogent) for facebookmail.com - success on facebook.com: $ dig mx facebookmail.com +trace ; <<>> DiG 9.6.1-P3 <<>> mx facebookmail.com +trace ;; global options: +cmd . 151474 IN NS J.ROOT-SERVERS.NET. . 151474 IN NS C.ROOT-SERVERS.NET. . 151474 IN NS D.ROOT-SERVERS.NET. . 151474 IN NS B.ROOT-SERVERS.NET. . 151474 IN NS A.ROOT-SERVERS.NET. . 151474 IN NS I.ROOT-SERVERS.NET. . 151474 IN NS M.ROOT-SERVERS.NET. . 151474 IN NS E.ROOT-SERVERS.NET. . 151474 IN NS L.ROOT-SERVERS.NET. . 151474 IN NS H.ROOT-SERVERS.NET. . 151474 IN NS F.ROOT-SERVERS.NET. . 151474 IN NS K.ROOT-SERVERS.NET. . 151474 IN NS G.ROOT-SERVERS.NET. ;; Received 360 bytes from 127.0.0.1#53(127.0.0.1) in 0 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 497 bytes from 128.63.2.53#53(H.ROOT-SERVERS.NET) in 139 ms facebookmail.com. 172800 IN NS dns04.sf2p.tfbnw.net. facebookmail.com. 172800 IN NS dns05.sf2p.tfbnw.net. ;; Received 120 bytes from 192.35.51.30#53(f.gtld-servers.net) in 97 ms ;; connection timed out; no servers could be reached $ dig mx facebook.com +trace ; <<>> DiG 9.6.1-P3 <<>> mx facebook.com +trace ;; global options: +cmd . 151352 IN NS J.ROOT-SERVERS.NET. . 151352 IN NS B.ROOT-SERVERS.NET. . 151352 IN NS G.ROOT-SERVERS.NET. . 151352 IN NS C.ROOT-SERVERS.NET. . 151352 IN NS K.ROOT-SERVERS.NET. . 151352 IN NS M.ROOT-SERVERS.NET. . 151352 IN NS A.ROOT-SERVERS.NET. . 151352 IN NS L.ROOT-SERVERS.NET. . 151352 IN NS H.ROOT-SERVERS.NET. . 151352 IN NS D.ROOT-SERVERS.NET. . 151352 IN NS F.ROOT-SERVERS.NET. . 151352 IN NS I.ROOT-SERVERS.NET. . 151352 IN NS E.ROOT-SERVERS.NET. ;; Received 480 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms com. 172800 IN NS H.GTLD-SERVERS.NET. com. 172800 IN NS I.GTLD-SERVERS.NET. com. 172800 IN NS K.GTLD-SERVERS.NET. com. 172800 IN NS C.GTLD-SERVERS.NET. com. 172800 IN NS B.GTLD-SERVERS.NET. com. 172800 IN NS E.GTLD-SERVERS.NET. com. 172800 IN NS F.GTLD-SERVERS.NET. com. 172800 IN NS A.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 M.GTLD-SERVERS.NET. ;; Received 490 bytes from 192.112.36.4#53(G.ROOT-SERVERS.NET) in 137 ms facebook.com. 172800 IN NS dns04.sf2p.tfbnw.net. facebook.com. 172800 IN NS dns05.sf2p.tfbnw.net. facebook.com. 172800 IN NS ns1.facebook.com. facebook.com. 172800 IN NS ns2.facebook.com. ;; Received 184 bytes from 192.55.83.30#53(M.GTLD-SERVERS.NET) in 269 ms facebook.com. 1200 IN MX 10 mx.snc1.tfbnw.net. facebook.com. 1200 IN MX 10 mx.sf2p.tfbnw.net. facebook.com. 172800 IN NS ns2.facebook.com. facebook.com. 172800 IN NS dns05.sf2p.tfbnw.net. facebook.com. 172800 IN NS dns04.sf2p.tfbnw.net. facebook.com. 172800 IN NS ns1.facebook.com. ;; Received 195 bytes from 204.74.66.132#53(ns1.facebook.com) in 109 ms Trying to 'talk' to dns04.sf2p.tfbnw.net and dns05.sf2p.tfbnw.net fails with a timeout. Am able to resolve them OK 69.63.176.8 and 69.63.176.9 but traces to them and pings fail: HOST: csmdv.highmtnsoftware.com Loss% Snt Last Avg Best Wrst StDev 1. 10.10.100.254 0.0% 5 0.9 1.0 0.9 1.5 0.2 2. 192.168.0.1 20.0% 5 1.5 1.5 1.5 1.6 0.0 3. 38.116.136.1 0.0% 5 53.5 55.9 53.0 66.5 6.0 4. 38.112.6.145 0.0% 5 53.4 53.6 53.4 53.9 0.2 5. 66.250.10.217 0.0% 5 53.7 53.7 53.4 54.1 0.3 6. 154.54.24.82 0.0% 5 65.6 67.2 65.1 74.6 4.1 7. 154.54.5.217 0.0% 5 76.5 76.4 75.6 78.3 1.1 8. 154.54.6.94 0.0% 5 76.5 81.5 75.9 93.8 7.9 9. 154.54.12.138 40.0% 5 75.7 75.8 75.7 75.9 0.1 10. 129.250.2.173 0.0% 5 80.1 77.2 76.2 80.1 1.6 11. 129.250.4.25 20.0% 5 100.7 105.2 100.1 118.9 9.2 12. 129.250.5.55 20.0% 5 99.3 99.6 99.3 99.8 0.3 13. 128.241.219.126 0.0% 5 120.3 111.9 99.1 127.4 12.5 14. 74.119.76.21 0.0% 5 115.0 104.1 101.0 115.0 6.1 15. 74.119.76.26 0.0% 5 101.3 105.0 101.3 117.9 7.2 16. 204.15.23.253 0.0% 5 102.0 102.8 102.0 104.0 0.7 17. ??? 100.0 5 0.0 0.0 0.0 0.0 0.0 Chris