kntu.ac.ir.		30 IN SOA e.ns.arvancdn.ir. hostmaster.arvancloud.ir. (
				1730704698 ; serial
				86400      ; refresh (1 day)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				7200       ; minimum (2 hours)
				)

kntu.ac.ir.		30 IN TXT "v=spf1 mx -all"
kntu.ac.ir.		30 IN TXT
"32f0b4a6242a9505af9894291b5ff521f3291d60fd3d935bbc971b110ee4eda"

kntu.ac.ir.		30 IN A	185.143.233.120
kntu.ac.ir.		30 IN A	185.143.234.120

Mail exchangers:
kntu.ac.ir.		30 IN MX 6 mail.kntu.ac.ir.
kntu.ac.ir.		30 IN MX 3 soroosh.kntu.ac.ir.

Name servers:
kntu.ac.ir.		30 IN NS r.ns.arvancdn.ir.
kntu.ac.ir.		30 IN NS e.ns.arvancdn.ir.