steelmate.ir.		30 IN SOA ns4.sgnetway.net. it.sgnetway.net. (
				2024123022 ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

steelmate.ir.		30 IN TXT "v=spf1 mx ip4:136.243.124.198 -all"

Mail exchangers:
steelmate.ir.		30 IN MX 10 mail.steelmate.ir.
steelmate.ir.		30 IN MX 21 mail2.steelmate.ir.

Name servers:
steelmate.ir.		30 IN NS ns4.sgnetway.net.
steelmate.ir.		30 IN NS ns5.sgnetway.net.