MX Check: Mail Server Testing Tools | Reverse DNS, MX Records, Blacklists

MX record check

Enter a domain name in the field below to lookup its MX records.
Reverse DNS check

Enter an IP address in the field below to check its reverse DNS entry.
Whois check

Enter a domain name in the field below to check its WHOIS entry.
SPF record check

Enter an IP address in the field below to check its SPF record entry.
Blacklist check

Enter an IP address in the field below to check for blacklist entries.
Diagnostic check

Enter your mail server in the field below to run a diagnostic test.