My TWT and Frontier Communications contacts haven't responded today, so I'll post here: HTTPv6 access to www.twtelecom.com has been 100% down since 10:20 am (U.S. Central) and HTTPv4 and HTTPv6 access to www.frontier.com has been intermittent (10 second timeout) since 10:37 am (U.S. Central), with 3+ hours of downtime recorded in the last 24 hours. Frank Bulk root@nagios:/# wget -6 www.twtelecom.com --2015-04-21 21:36:31-- http://www.twtelecom.com/ Resolving www.twtelecom.com... 2001:1900:2018:3000::105 Connecting to www.twtelecom.com|2001:1900:2018:3000::105|:80... connected. HTTP request sent, awaiting response... 503 Service Unavailable 2015-04-21 21:36:31 ERROR 503: Service Unavailable. root@nagios:/# Look at the 25 second response time: root@nagios:/# wget -6 www.frontier.com --2015-04-21 21:41:13-- http://www.frontier.com/ Resolving www.frontier.com... 2001:1960:21:1::92 Connecting to www.frontier.com|2001:1960:21:1::92|:80... connected. HTTP request sent, awaiting response... 302 Found Location: http://frontier.com/ [following] --2015-04-21 21:41:13-- http://frontier.com/ Resolving frontier.com... 2001:1960:21:1::92 Reusing existing connection to www.frontier.com:80. HTTP request sent, awaiting response... 200 OK Length: 55909 (55K) [text/html] Saving to: "index.html" 100%[======================================================================= ====================>] 55,909 151K/s in 0.4s 2015-04-21 21:41:38 (151 KB/s) - "index.html" saved [55909/55909] root@nagios:/#