a.root-servers.net can't handle the load.

Ed Sawicki ed at alcpress.com
Thu Jan 13 07:29:25 UTC 2000


Please excuse the newbie question but does this mean that
it may be a good idea to remove a.root-servers.net from the
hints file?

Ed Sawicki

At 12:13 12/14/99 -0800, chris wrote:
>    Does anyone know what's wrong with a.root-servers.net. Consistently
>I can't get it to answer queries. I usually just use b.root-servers.net
>because it is geographically closer to me then any other server, but I
>have noticed that about 75% of the time when I attempt to query
>a.root-servers.net it can't answer. It's not a network connectivity
>issue.
>
>- Chris
>
>> server a.root-servers.net
>Default Server:  a.root-servers.net
>Address:  198.41.0.4
>
>> anydomain.org.
>Server:  a.root-servers.net
>Address:  198.41.0.4
>
>*** a.root-servers.net can't find anydomain.org.: No response from
>server
>> server b.root-servers.net
>*** Can't find address for server b.root-servers.net: No response from
>server
>> sa1:/var/named/db# ping a.root-servers.net
>PING a.root-servers.net (198.41.0.4): 56 data bytes
>64 bytes from 198.41.0.4: icmp_seq=0 ttl=246 time=70.2 ms
>64 bytes from 198.41.0.4: icmp_seq=1 ttl=246 time=66.7 ms
>64 bytes from 198.41.0.4: icmp_seq=2 ttl=246 time=75.7 ms
>64 bytes from 198.41.0.4: icmp_seq=3 ttl=246 time=66.6 ms
>64 bytes from 198.41.0.4: icmp_seq=4 ttl=246 time=78.4 ms
>64 bytes from 198.41.0.4: icmp_seq=5 ttl=246 time=70.1 ms
>64 bytes from 198.41.0.4: icmp_seq=6 ttl=246 time=66.8 ms
>64 bytes from 198.41.0.4: icmp_seq=7 ttl=246 time=69.4 ms
>64 bytes from 198.41.0.4: icmp_seq=8 ttl=246 time=67.0 ms
>64 bytes from 198.41.0.4: icmp_seq=9 ttl=246 time=65.4 ms
>64 bytes from 198.41.0.4: icmp_seq=10 ttl=246 time=67.2 ms
>64 bytes from 198.41.0.4: icmp_seq=11 ttl=246 time=68.4 ms
>
>--- a.root-servers.net ping statistics ---
>12 packets transmitted, 12 packets received, 0% packet loss
>round-trip min/avg/max = 65.4/69.3/78.4 ms
>
>sa1:/var/named/db# dig @a.root-servers.net anydomain.org.
>
>; <<>> DiG 8.2 <<>> @a.root-servers.net anydomain.org.
>; (1 server found)
>;; res options: init recurs defnam dnsrch
>;; res_nsend[signed] to server a.root-servers.net  198.41.0.4:
>Connection timed out
>sa1:/var/named/db# ping a.root-servers.net
>PING a.root-servers.net (198.41.0.4): 56 data bytes
>64 bytes from 198.41.0.4: icmp_seq=0 ttl=246 time=65.4 ms
>64 bytes from 198.41.0.4: icmp_seq=1 ttl=246 time=64.9 ms
>64 bytes from 198.41.0.4: icmp_seq=2 ttl=246 time=66.7 ms
>64 bytes from 198.41.0.4: icmp_seq=3 ttl=246 time=65.6 ms
>64 bytes from 198.41.0.4: icmp_seq=4 ttl=246 time=65.7 ms
>
>--- a.root-servers.net ping statistics ---
>5 packets transmitted, 5 packets received, 0% packet loss
>round-trip min/avg/max = 64.9/65.6/66.7 ms
>sa1:/var/named/db# dig @a.root-servers.net b.root-servers.net
>
>; <<>> DiG 8.2 <<>> @a.root-servers.net b.root-servers.net
>; (1 server found)
>;; res options: init recurs defnam dnsrch
>;; res_nsend[signed] to server a.root-servers.net  198.41.0.4:
>Connection timed out
>sa1:/var/named/db# date
>Tue Dec 14 12:08:19 PST 1999
>
>
>




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