SOA
Start of Authority
Primary NS
Mailbox
admin.websupport.cz
Serial
1770141368
Refresh
7200
Retry
2048
Expire
1048576
Minimum TTL
2560
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:spf.protection.outlook.com include:_spf.krejta.cz include:spf.smartemailing.cz -all
A
IPv4 Addresses
AAAA