SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2417311045
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch -all
protonmail-verification=0c03ff8e3b0fbf49b01bf8f1e50e914124109453