nanog mailing list archives
Re: Odd DNS responses for www.neopets.com
From: "Adam \"Tauvix\" Debus" <nanog () delsol net>
Date: Wed, 5 Feb 2003 19:44:38 -0800
When I worked for NeoPets in the summer of 2000 they had a server farm about that size. It was behind a NetFoundry (I think) Load Balancer at the time. Perhaps their load balancer died and they had to get back up in a hurry. Thanks, Adam "Tauvix" Debus Linux Certified Professional, Linux Certified Administrator #447641 Network Administrator, ReachONE Internet adam () reachone com ----- Original Message ----- From: "Deepak Jain" <deepak () ai net> To: "Alex Lambert" <alambert () quickfire org>; "Stephen Milton" <milton () isomedia com>; <nanog () merit edu> Sent: Wednesday, February 05, 2003 7:40 PM Subject: RE: Odd DNS responses for www.neopets.com
Maybe it's just me, but isn't there something odd about a DNS query coming back with 78 entries for the same host? It sends back an UDP packet that gets truncated and the DNS resolver reverts to TCP to get the full list.This is often used for server pools (as I'm guessing you know).It seems to cause problems with Windows clients and/or Windows DNS servers. Seems like overkill.The 78 addresses listed here are all in one bit of a /24. In the cases I've seen, there are a few servers listed in several different locations, network- (and location-) wise. I agree that this looks really weird. Perhaps they use it as a cheap load balancer?Perhaps they use it to pad their IP allocations?? DJ
Current thread:
- Odd DNS responses for www.neopets.com Stephen Milton (Feb 05)
- Re: Odd DNS responses for www.neopets.com Alex Lambert (Feb 05)
- RE: Odd DNS responses for www.neopets.com Deepak Jain (Feb 05)
- Re: Odd DNS responses for www.neopets.com Adam "Tauvix" Debus (Feb 05)
- Re: Odd DNS responses for www.neopets.com just me (Feb 06)
- RE: Odd DNS responses for www.neopets.com Deepak Jain (Feb 05)
- Re: Odd DNS responses for www.neopets.com David Russell (Feb 06)
- Re: Odd DNS responses for www.neopets.com just me (Feb 06)
- Re: Odd DNS responses for www.neopets.com Joe Abley (Feb 06)
- Re: Odd DNS responses for www.neopets.com just me (Feb 06)
- Re: Odd DNS responses for www.neopets.com Joe Abley (Feb 06)
- <Possible follow-ups>
- Re: Odd DNS responses for www.neopets.com Crist J. Clark (Feb 07)
- Re: Odd DNS responses for www.neopets.com Alex Lambert (Feb 05)