SOA
Start of Authority
Primary NS
Mailbox
hostmaster.systemdns.com
Serial
1720520376
Refresh
604800
Retry
86400
Expire
300
Minimum TTL
60
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
duba24fwonvkipenwwykll2xn7zl5ejerogv4x5q466xmozl6z4a.mx-verification.google.com.