SOA
Start of Authority
Primary NS
Mailbox
hostmaster.1and1.com
Serial
2017071819
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:mail.zendesk.com include:_spf-us.ionos.com include:_spf.google.com include:colocarcourier.com ?all
AAAA