tty.nu.			30 IN SOA ns01.0x4f.eu. hostmaster.0x4f.eu. (
				2024111401 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				28800      ; minimum (8 hours)
				)

tty.nu.			30 IN TXT "v=spf1 a mx include:spf.0x4f.eu -all"

Mail exchangers:
tty.nu.			30 IN MX 200 mx01.0x4f.eu.
tty.nu.			30 IN MX 100 mx02.0x4f.eu.

Name servers:
tty.nu.			30 IN NS ns02.0x4f.nl.
tty.nu.			30 IN NS ns01.0x4f.eu.