u4.hu.			30 IN SOA ns0033.netmask.hu. hostmaster.u4.hu. (
				2023102500 ; serial
				600        ; refresh (10 minutes)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

u4.hu.			30 IN TXT "v=spf1 a mx ip4:185.187.75.169 ~all"

u4.hu.			30 IN A	185.187.75.169

Mail exchangers:
u4.hu.			30 IN MX 10 mail.u4.hu.

Name servers:
u4.hu.			30 IN NS ns9999.netmask.hu.
u4.hu.			30 IN NS ns0033.netmask.hu.