SOA
Start of Authority
Primary NS
Mailbox
awsdns-hostmaster.amazon.com
Serial
1
Refresh
7200
Retry
900
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=6bc7dd5128e5216ae2821d20bc0e2f984cce295a
v=spf1 include:_spf.protonmail.ch mx ~all