You will be sent an email to an administrative contact for your domain. The email will contain a unique validation code and link. Clicking the link and entering the code will prove domain control.
Valid email addresses are:
Any email address which our system can scrape from a port 43 whois check;
The following generic admin type email addresses @ the domain for which the certificate is being applied:
admin@
administrator@
postmaster@
hostmaster@
webmaster@
