SOA
Start of Authority
Primary NS
Mailbox
hostmaster.itu.ch
Serial
2026082601
Refresh
1800
Retry
900
Expire
1209600
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:156.106.192.20/30 ip4:156.106.192.38/31 -all
A
IPv4 Addresses
AAAA