SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2419657890
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
TXT
TXT Records
protonmail-verification=9057a31ca50af241ad5082a017079d0af969dd2e
v=spf1 include:_spf.protonmail.ch mx ~all