environment.gov.zw.	30 IN SOA dns1.gisp.gov.zw. sysadmin.gisp.gov.zw. (
				2020031906 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

environment.gov.zw.	30 IN TXT "v=spf1 mx a ip4:197.221.227.132 ip4:197.221.227.142
ip4:197.221.227.136 ip4:197.221.227.137 ip4:197.221.227.138 ip4:197.221.227.135
include:wm.gisp.gov.zw include:smtp.gisp.gov.zw include:gisp.gov.zw 
include:imap.gisp.gov.zw include:pop3.gisp.gov.zw ~all"

Mail exchangers:
environment.gov.zw.	30 IN MX 10 wm.gisp.gov.zw.