$ORIGIN 1.16.172.in-addr.arpa.
$TTL 1D
@ IN SOA dns-test1.emrlab.com. hostmaster.emrlab.com. (
200405190 ; serial
28800 ; refresh (8 hours)
14400 ; retry (4 hours)
2419200 ; expire (4 weeks)
86400 ; minimum (1 day)
)
NS dns-test1.emrlab.com.
1 PTR serenity.emrlab.com.
2 PTR workstation.emrlab.com.
3 PTR media.emrlab.com.
4 PTR pfsense.emrlab.com.