ndf.ir.			30 IN SOA b.ns.arvancdn.ir. hostmaster.arvancloud.ir. (
				1683851401 ; serial
				86400      ; refresh (1 day)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				7200       ; minimum (2 hours)
				)

ndf.ir.			30 IN TXT "v=spf1 mx a:edge-srv01.ndf.ir ip4:46.209.6.116/32 ~all"

ndf.ir.			30 IN A	46.209.6.118

Mail exchangers:
ndf.ir.			30 IN MX 5 edge-srv01.ndf.ir.

Name servers:
ndf.ir.			30 IN NS b.ns.arvancdn.ir.
ndf.ir.			30 IN NS y.ns.arvancdn.ir.