[unisog] Collecting PTR names rather than IP addresses (Was: Re: IRC Bot list (cross posting))

Valdis.Kletnieks at vt.edu Valdis.Kletnieks at vt.edu
Wed Feb 9 20:19:34 GMT 2005


On Wed, 09 Feb 2005 11:43:27 PST, Dave Dittrich said:

(trimming nanog from the cc: list)

> Because of the fact that DNS<=>IP mappings can change over time, it
> is best to always get both sides of the equation and note the time
> at which you obtained this information (and timezone, and known time
> reference source or skew from a trusted time source.) 

Even more aggravating is when the DNS<=>IP mapping is essentially static,
but the actual machine referenced by the IP changes due to DHCP or modem
pool rotary issues...
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 226 bytes
Desc: not available
Url : http://www.dshield.org/pipermail/unisog/attachments/20050209/53bdbc0b/attachment-0002.bin


More information about the unisog mailing list