Error 404 Document Not Found on http://www.xav.com/mx-lookup-or-something

Error:	Document Not Found (code 404)
Address:	http://www.xav.com/mx-lookup-or-something

We provide the following LOOKUP services:

MX lookup - determine the authorative SMTP mail server for a given email address or host

http://www.xav.com/mx_lookup.pl

ns lookup - determine the DNS name for a given IP address

http://www.xav.com/cgi-bin/nslookup.cgi

WHOIS lookup - find the persons and organizations associated with a DNS name

http://www.xav.com/scripts/axs/whois.pl