SOA
Start of Authority
Primary NS
Mailbox
administrator.dynu.com
Serial
3780
Refresh
3600
Retry
900
Expire
604800
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch mx ~all
protonmail-verification=cf67c381befb24d74b58b03fe036fd480eb9ceb8
AAAA