doktor-servis.uz.	30 IN SOA ns2.billur.com. support.billur.com. (
				1507875329 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				10800      ; minimum (3 hours)
				)

doktor-servis.uz.	30 IN TXT "v=spf1 +a +mx ip4:62.209.128.0/25 -all"

doktor-servis.uz.	30 IN A	62.209.128.102

Mail exchangers:
doktor-servis.uz.	30 IN MX 10 mail.doktor-servis.uz.

Name servers:
doktor-servis.uz.	30 IN NS ns1.billur.com.
doktor-servis.uz.	30 IN NS ns2.billur.com.
doktor-servis.uz.	30 IN NS ns3.billur.com.
doktor-servis.uz.	30 IN NS ns4.billur.com.