managementlab.org.	30 IN SOA ns2.us.opalstack.com. hostmaster.managementlab.org. (
				2024030106 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				1814400    ; expire (3 weeks)
				3600       ; minimum (1 hour)
				)

managementlab.org.	30 IN TXT "v=spf1 include:emailsrvr.com ~all"

managementlab.org.	30 IN A	172.104.6.229

Mail exchangers:
managementlab.org.	30 IN MX 10 mx1.emailsrvr.com.
managementlab.org.	30 IN MX 20 mx2.emailsrvr.com.

Name servers:
managementlab.org.	30 IN NS ns3.us.opalstack.com.
managementlab.org.	30 IN NS ns2.us.opalstack.com.
managementlab.org.	30 IN NS ns1.us.opalstack.com.