MX
Mail Exchangers
TXT
TXT Records
NO SPAM! UNSOLICITED COMMERCIAL/BULK EMAIL SUBJECT TO FEE OF 1.00 USD PER BYTE
NO TELEMARKETING! UNSOLICITED TELEMARKETING CALLS SUBJECT TO FEE OF 25.00 USD PER CALL
v=spf1 mx a ptr include:_spf.google.com ~all
AAAA