SOA
Start of Authority
Primary NS
Mailbox
administrator.czechia.cz
Serial
2026091802
Refresh
10800
Retry
1800
Expire
1814400
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=6e766e5f7a4013a26ebc6370cf2fcd465190e2a2
v=spf1 include:_spf.protonmail.ch ~all
A