SOA
Start of Authority
Primary NS
Mailbox
hostmaster.markmonitor.com
Serial
2021092704
Refresh
3600
Retry
600
Expire
604800
Minimum TTL
172800
MX
Mail Exchangers
TXT
TXT Records
MS=ms95104105
0ed1fe018adc054d12839b4511981d4bbd8fa3c15f
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all
A