what happens when you put a typo in a DNSBL server?

Tue Jan 16 22:27:37 UTC 2007

> JL> If only.  I am constantly amazed at the bozos who misconfigure their
> JL> DNSBL lookups and don't notice.
>
> Part of the problem is that the protocol is designed to overlay an
> existing protocol without providing a valid positive response.  In
> this case, lame ISP configures a typo and goes for ages without
> noticing that it didn't help them at all because every query was
> getting a NXDOMAIN back

Uh, not quite.  Try looking up 2.0.0.127.abuse.net, and then explain to me 
why people keep hammering on it.

Regards,
John Levine, johnl at iecc.com, Primary Perpetrator of "The Internet for Dummies",
Information Superhighwayman wanna-be, http://johnlevine.com, Mayor
"I dropped the toothpaste", said Tom, crestfallenly.