Search Again: Re: Setup QuickDNS From: Mia''s Virtual Post Office Date: Thursday, July 29, 1999 Time: 12:55:00 pm Farokh Irani said: >>andrew kagan said: >> >> >shouldn't one use a CNAME instead of an A record for the second record? I >> >thought it was not recommended to use multiple A records pointing to the >> >same IP? >> > >>It is kind of ironic, considering that both DNS and BIND and DNS Expert >>complain about using a CNAME for a mail server record, however what if >>you run DNS and Mail on the same machine? Are you supposed to have an A >>record for both,(hence pointing to the same IP) which is also a no, no? >> >>jer > >You must have an A record for MX entries. If you don't, some mail >servers will refuse to connect. I'm not sure who/what is telling you >that multiple A records pointing to the same IP is a no-no. The only >issue is that the reverse lookup on the IP can only return one name, >and that could be an issue. However, what I did on my DNS/EIMS >machine is set the PTR to return the mail name, since a lot of mail >servers now do reverse lookups to combat spam. Haven't had a problem >since. > Have had a CNAME for our mail for over 2 1/2 years now and have not seen a problem. However, I am changing it to an A name since DNS and BIND recommends it. Also, as for the no no, you are correct the errors I see from DNS expert are limited to the fact that there is only one pointer record. So this begs the question? Is it possible to have more than one pointer record? jer "On a day no different than the one now dawning, Leonardo drew the first strokes of the Mona Lisa, Shakespeare wrote the first words of Hamlet, and Beethoven began work on his Ninth Symphony." And Windows98 Crashed! COMPAQ Class Action Law Suit: http://members.aol.com/CClass450/index.htm

Messages In This Thread: Setup QuickDNS by Charles Heizer on Jul 28, 1999 at 5:00:00 pm Re: Setup QuickDNS by Men & Mice Support on Jul 29, 1999 at 6:20:00 am Re: Setup QuickDNS by andrew kagan on Jul 29, 1999 at 11:31:00 am Re: Setup QuickDNS by Mia''s Virtual Post Office on Jul 29, 1999 at 12:27:00 pm Re: Setup QuickDNS by Farokh Irani on Jul 29, 1999 at 12:41:00 pm Re: Setup QuickDNS by Mia''s Virtual Post Office on Jul 29, 1999 at 12:55:00 pm Re: Setup QuickDNS by andrew kagan on Jul 29, 1999 at 12:59:00 pm Re: Setup QuickDNS by Michael Ayotte on Jul 29, 1999 at 2:49:00 pm Re: Setup QuickDNS by Charles Heizer on Aug 10, 1999 at 3:01:00 pm Re: Setup QuickDNS by Men & Mice Support on Aug 10, 1999 at 3:31:00 pm Re: Setup QuickDNS by Paul Willis on Aug 10, 1999 at 4:13:00 pm