SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2412459365
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch -all
protonmail-verification=b9e96f178f83882d6a1e00c8651ec8e9606b082a