SOA
Start of Authority
Primary NS
Mailbox
root.register.com
Serial
2018041241
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx include:world-serv.net include:_spf.google.com\194\160 ~all
A