SOA
Start of Authority
Primary NS
Mailbox
hostmaster.registrar-servers.com
Serial
1783509553
Refresh
43200
Retry
3600
Expire
604800
Minimum TTL
3601
TXT
TXT Records
mx1.improvmx.com
mx2.improvmx.com
v=spf1 mx include:spf.improvmx.com include:mail.zendesk.com ~all
A