devbin.org.		30 IN SOA ns3.txlab.org. zone.txlab.org. (
				2021030901 ; serial
				7200       ; refresh (2 hours)
				540        ; retry (9 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

devbin.org.		30 IN TXT "v=spf1 mx a ~all"

devbin.org.		30 IN A	195.201.32.172

Mail exchangers:
devbin.org.		30 IN MX 10 mail.devbin.org.

Name servers:
devbin.org.		30 IN NS ns3.txlab.org.
devbin.org.		30 IN NS ns4.txlab.org.