skbac.ac.th.		30 IN SOA ns1.skc.co.th. domreg.isanidc.com. (
				2023012900 ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				43200      ; minimum (12 hours)
				)

skbac.ac.th.		30 IN TXT "v=spf1 mx ptr include:isanidc.com a:hosting85.isanidc.com
~all"

Mail exchangers:
skbac.ac.th.		30 IN MX 10 mail.skbac.ac.th.

Name servers:
skbac.ac.th.		30 IN NS ns1.skc.co.th.
skbac.ac.th.		30 IN NS ns7.isanconnect.com.
skbac.ac.th.		30 IN NS ns3.isanconnect.com.
skbac.ac.th.		30 IN NS ns2.skc.co.th.