nanog mailing list archives

Re: Urrr... A-root server foul ?


From: Bill Becker <bbecker () iconn net>
Date: Wed, 26 Aug 1998 15:56:45 -0400 (EDT)



On Wed, 26 Aug 1998, Richard Irving wrote:

Name:    A.ROOT-SERVERS.NET
Address:  198.41.0.4

And a ping yields ?


64 bytes from 198.41.0.4: icmp_seq=16 ttl=250 time=59 ms
64 bytes from 198.41.0.4: icmp_seq=16 ttl=249 time=76 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=16 ttl=250 time=77 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=17 ttl=250 time=57 ms
64 bytes from 198.41.0.4: icmp_seq=17 ttl=250 time=64 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=17 ttl=249 time=73 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=18 ttl=250 time=71 ms
64 bytes from 198.41.0.4: icmp_seq=19 ttl=250 time=53 ms
64 bytes from 198.41.0.4: icmp_seq=19 ttl=249 time=57 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=19 ttl=249 time=73 ms (DUP!)


Interesting TTLs on those.  

I'm getting four for the price of one...

biteme:~$ 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=242 time=76.6 ms
64 bytes from 198.41.0.4: icmp_seq=0 ttl=243 time=94.1 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=0 ttl=243 time=106.0 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=0 ttl=242 time=126.0 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=1 ttl=243 time=85.0 ms
64 bytes from 198.41.0.4: icmp_seq=1 ttl=243 time=93.5 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=1 ttl=242 time=106.0 ms (DUP!)
64 bytes from 198.41.0.4: icmp_seq=1 ttl=242 time=115.1 ms (DUP!)

Bill



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