When you register a domain name with the InterNic, an email address of an administrator must be submitted for the site. You can look up this You may also want to send mail to the person listed there.
To whom it may concern,If you don't receive a response from this, then you may find yourself starting to think about the Pissed Off Method.I have tried unsuccessfully to remove myself from your mailing list. The spam mail I received did not include any way for me to remove myself from the list. I suggest that you educate your users and clients on proper netiquette.
Please alert me that you have received this email and then remove the following email addresses from your mailing list:
your@address
your@other.address
etc.