CNAME TTL

tmaestas at dnsconsultants.com tmaestas at dnsconsultants.com
Thu Mar 22 16:53:10 UTC 2001



	CNAMES and A records have distinct, often differing TTLs. 
	HOWEVER, if you are running Windows 2000, you can forget
	about this until SP2.  There is a bug in the Win2k client
	caching dns resolver where a CNAME is cached with the
	same TTL as it's corresponding A record.

-Tim


On Thu, 22 Mar 2001, Vincent DUQUESNE wrote:

> 
> Hi all,
> 
> I have a question for you, masters :
> Does a DNS server send, in its answer, the TTL of the CNAME record or the
> TTL of the A record corresponding ?
> 
> thanks in advance
> 
> Vincent
> 
> 



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