by Frank Angiolelli, CISSP
Updated regex for free dynamic dns providers.
The leading . limits hits from legitimate sites. Enjoy.
\.(dnsalias|verymad|twighlightparadox|jumpingcrab|ignorelist|crabdance|chickenkiller|dvrdns|findhere|byinter|looking|qc|mooo|info|dyndns|dyndns-at-home|dyndns-at-work|dyndns-home|dyndnsoffice|dyndns-web|dyndns-blog|dyndns-wiki|dyndns-pics|zapto|sytes|servequake|servepics|servemp3|servehttp|servehalflife|servegame|serveftp|servecounterstrike|serveblog|servebeer|redirectme|bounceme|hopto|myvnc|no-ip|myftp|dlinkddns|everfocusddns|freeddns|bddns|ddns|lorexddns|newddns)\.(com|net|info|org|ms|me|vc|pl|mobi|us|name|tm|biz|fr|be|ws|dk|tv|to|at)$
