[RFCI-Discuss] DNS record's TTL requirement?

[Derek J. Balling]

On Jul 6, 2006, at 10:34 PM, Jeff Pang wrote:

> The MX record of a domain needs to contain a host name that maps to  
> the IP address involved. The Time to Live of the MX record needs to  
> be at least 43200 seconds.
;; ANSWER SECTION:
megacity.org.           1800    IN      MX      10 mail.megacity.org.
;; ADDITIONAL SECTION:
mail.megacity.org.      1800    IN      A       64.142.22.246

... I guess I'm a bad person. :-P

> Why the DNS records' TTL should be more than 43200?Is there any RFC  
> about that?
Not that I'm aware of. It's 12 hours, though, half a day...

But .. eh, it's SORBS. Who cares.  :-P

Cheers,
D