Enter a domain to check its mail servers (MX), an email address to check the domain it belongs to, or a bare IP address.
Your IP: looking up…
RBL / Blacklist Check
Checks a domain, email address, or IP against the major spam blacklists (Spamhaus, SpamCop, Barracuda, and more) - the same checks receiving mail servers run before accepting your mail.
Provided by Dot Internet Solutions Inc.