SOA
Start of Authority
Primary NS
Mailbox
admin.websupport.cz
Serial
1783145423
Refresh
7200
Retry
2048
Expire
1048576
Minimum TTL
2560
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx include:_spf.websupport.cz include:_spf.myshoptet.com include:spf.smartemailing.cz ~all
AAAA