[juneau-lug] Verisign DNS goofiness
- From: James Zuelow <e5z8652@xxxxxxxxxx>
- To: Juneau Linux Users Group <juneau-lug@xxxxxxxxxxxxx>
- Date: Wed, 17 Sep 2003 15:24:11 -0800 (AKDT)
I'm sure most of you have seen this on the web and/or AKLUG list, but it
is still fun to play with.
Verisign decided that if you mis-type a domain name, you should end up at
the Verisign web page. So they've configured their DNS servers to list
their search page for domains that don't exist. You can test this with
the host command:
host werasdsdvdadarewqw34d.com
host asdfaeasefdavad.com
host randomstringhere.com
all return the same IP address.
The problem is that there is no such thing as a non-existent domain
anymore, so anti-spam filters that check for a valid DNS address won't
work anymore, since EVERY domain will check out. Spammers can just make
domains up out of the air, and must be absolutely loving it.
Cheers,
James
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