SOA
Start of Authority
Primary NS
Mailbox
hostmaster.systemdns.com
Serial
1786994656
Refresh
10800
Retry
3600
Expire
1209600
Minimum TTL
60
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
duo_sso_verification=Y1rENxCJjxE7g1r2oVFsn4CSpFluEntvNSPVbIT8mtVxa6bumGbLnpCz6elG2NE2
v=spf1 +ip4:69.70.5.70 include:spf.protection.outlook.com include:spf.mtaroutes.com include:5155375.spf08.hubspotemail.net ~all
MS=ms70211207
A