SOA
Start of Authority
Primary NS
Mailbox
hostmaster.keppler-it.de
Serial
2024081501
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx ip4:88.198.223.0/25 ip6:2a01:4f8:bb:c00::/56 -all
A