Search Again: Re: TTL of CNAME? From: Men & Mice Support Date: Friday, September 20, 2002 Time: 4:56:32 pm You only have to worry about the TTL of the A record. CNAME records are cached as references to other names, not references to IP addresses, so you don't care how long the CNAME record is cached. ____________________________________________________________________ Chris Buxton Men & Mice support@menandmice.com Making DNS Easy At 1:06 PM +0200 9/20/02, Thomas Wenzl wrote: >Hi all, > >we are movig one of our webservers (host1.ourdomain.com ) to an other IP. >So I decided to reduce the TTLs of the domains pointing to the server. > >The Question is now: >Do I have to change all the TTLs of the CNAMES or is it enough to >change the TTL of the corresponding A-Record to get a clean switch? > >All the virtual domains on the server have CNAMEs in their zones in the way of > >www.anydomain.com. CNAME host1.ourdomain.com. > >the CNAME ist resolved in its own zone with an A-Record in the way of > >host1.ourdomain.com A xxx.xxx.xxx.xxx. > >Is it enough to reduce the TTL of the A-Record host1.ourdomain.com? > > >Thanks, Tom >-- > >mit freundlichen Gruessen > >Thomas Wenzl > > >fuer Rueckfragen koennen Sie mich gerne anrufen. > >kon5 communications >Dipl. Geogr. Thomas Wenzl >Koenigsbergerstrasse 26 >D-81927 Muenchen >Fon: +49 89 93938444 >Fax: +49 89 93938445 >http://www.kon5.net >mailto:t.wenzl@kon5.net

Messages In This Thread: TTL of CNAME? by Thomas Wenzl on Sep 20, 2002 at 4:07:13 am Re: TTL of CNAME? by Men & Mice Support on Sep 20, 2002 at 4:56:32 pm