SOA
Start of Authority
Primary NS
Mailbox
hostmaster.checkdomain.de
Serial
2026050801
Refresh
40000
Retry
7200
Expire
604800
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=c93d12b3170990fcf88c64c41b895dbb4d8bcd33
MS=ms64580535
v=spf1 include:spf.protection.outlook.com -all
A