[dns-operations] most of root NS and com's NS fail from here

[Ken Peng]

于 2014-4-29 15:22, Steven Carr 写道:
> More than likely traffic was blocked/filtered by the Chinese firewall.
> Take a packet capture and see what happens when you do a single query,
> do you get a response at all, do you get any TCP reset packets? Also
> post the full dig output.

The queries were just timeout.

$ dig . soa @h.root-servers.net

; <<>> DiG 9.6.1-P2 <<>> . soa @h.root-servers.net
;; global options: +cmd
;; connection timed out; no servers could be reached


Thanks.