SOA
Start of Authority
Primary NS
Mailbox
administrator.czechia.cz
Serial
2018112801
Refresh
10800
Retry
1800
Expire
1814400
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
MS=ms37689775
v=spf1 include:spf.protection.outlook.com -all
A
IPv4 Addresses
AAAA