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
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=055bcdd50aab3e13b31470983d4c9038d4afa441