SOA
Start of Authority
Primary NS
Mailbox
tech.key-systems.net
Serial
2025010901
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
28800
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ip4:5.75.205.250 ip6:2a01:4f8:1c1e:b4ac::1 ~all
protonmail-verification=adcd9f3aea985806965a935b8fe34e7e83679e9c
A
IPv4 Addresses
AAAA