$TTL 3600 $ORIGIN {{ hostname }}. @ SOA {{ hostname }}. root.{{ hostname }}. ( 2020041200 ; serial 86400 ; refresh (1 day) 7200 ; retry (2 hours) 3600000 ; expire (5 weeks 6 days 16 hours) 172800 ; minimum (2 days) ) NS {{ hostname }}. NS myimaginaryfriend.example.com A 192.95.3.24 AAAA 2607:5300:203:5fd5::24 MX 1 {{ hostname }}. TXT "v=spf1 mx -all" * A 192.95.3.24 AAAA 2607:5300:203:5fd5::24