extinguishertrainingcourse.co.uk. 30 IN	SOA ns1.krystal.uk.
admin.k-validator-conoy-lon.krystal.uk. (
				2024103100 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

extinguishertrainingcourse.co.uk. 30 IN	TXT "v=spf1 ip4:77.72.2.53 include:relay.k.io
a mx ip4:185.194.90.24 ~all"

extinguishertrainingcourse.co.uk. 30 IN	A 77.72.2.53

Mail exchangers:
extinguishertrainingcourse.co.uk. 30 IN	MX 10 mx1.krystal.uk.
extinguishertrainingcourse.co.uk. 30 IN	MX 20 mx2.krystal.uk.

Name servers:
extinguishertrainingcourse.co.uk. 30 IN	NS ns2.krystal.uk.
extinguishertrainingcourse.co.uk. 30 IN	NS ns1.krystal.uk.