SOA
Start of Authority
Primary NS
Mailbox
administrator.dynu.com
Serial
72
Refresh
1200
Retry
300
Expire
86400
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:199.233.237.19 include:_spf1.ameded.org|_spfv6.comcast.net|_spf.mdp.comcast.net|_spf.google.com|spf-ss1.domaincontrol.com|_spf.dynu.com ~all
A