SOA
Start of Authority
Primary NS
Mailbox
awsdns-hostmaster.amazon.com
Serial
1
Refresh
7200
Retry
900
Expire
1209600
Minimum TTL
86400
TXT
TXT Records
protonmail-verification=6431da7cf9c1bc8a298fa6bcd38b54eba1dc370b
v=spf1 include:_spf.protonmail.ch ~all
A