callsheet.us.		30 IN SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. (
				1573436863 ; serial
				43200      ; refresh (12 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3601       ; minimum (1 hour 1 second)
				)

callsheet.us.		30 IN TXT "v=spf1 include:mailgun.org ~all"

callsheet.us.		30 IN A	66.175.223.40

Mail exchangers:
callsheet.us.		30 IN MX 10 mxa.mailgun.org.
callsheet.us.		30 IN MX 10 mxb.mailgun.org.

Name servers:
callsheet.us.		30 IN NS dns1.registrar-servers.com.
callsheet.us.		30 IN NS dns2.registrar-servers.com.
callsheet.us.		30 IN NS dns3.registrar-servers.com.
callsheet.us.		30 IN NS dns4.registrar-servers.com.
callsheet.us.		30 IN NS dns5.registrar-servers.com.