SOA and NS example using some shortcuts

$ORIGIN xyz.com.

$TTL 86400
; owner TTL class type data
@ IN SOA ns1.xyz.com. fred.xyz.com. (
199710161 ; serial
21600 ; refresh
3600 ; retry
2600000 ; expire
900 ) ; minimum
NS ns1
NS ns2
NS server.where.example.
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