SOA
Start of Authority
Primary NS
Mailbox
hostmaster.swizzonic.ch
Serial
2022111702
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx a ip4:194.180.160.31 ip4:194.180.168.32 a:mx01.dsd-steel.com a:mx02.dsd-steel.com a:spf.cloudrexx.com -all