SOA
Start of Authority
Primary NS
Mailbox
zonemaster.dnshost.net
Serial
1698408154
Refresh
43200
Retry
3600
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a include:de._netblocks.mimecast.com include:spf.protection.outlook.com -all
A