SOA
Start of Authority
Primary NS
Mailbox
hostmaster.ignum.cz
Serial
2020120501
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:spf_php.rails.cz include:_spf.google.com ip4:93.91.248.56 ~all
A
IPv4 Addresses
AAAA