SOA
Start of Authority
Primary NS
Mailbox
hostmaster.systemdns.com
Serial
1750782832
Refresh
10800
Retry
3600
Expire
300
Minimum TTL
60
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx ip4:12.164.0.194 include:spf.protection.outlook.com include:emailsrvr.com include:sendgrid.net ip4:98.129.229.113 ~all
MS=ms35097781
A