$ORIGIN .
$TTL 3600

@                SOA     ns1. admin.xa. (
                         2025100201      ; serial
                         6h              ; refresh
                         1h              ; retry
                         1w              ; expire
                         1d )            ; minimum

                 NS     root-ns1.xa.
                 NS     root-ns2.xa.
                 TXT    "dnssec07"

root-ns1.xa.     A      127.15.7.27
root-ns1.xa.     AAAA   fda1:b2:c3::127:15:7:27

root-ns2.xa.     A      127.15.7.28
root-ns2.xa.     AAAA   fda1:b2:c3::127:15:7:28

$ORIGIN dnssec07.xa.
@                NS     ns1
@                NS     ns2

ns1              A      127.15.7.21
ns1              AAAA   fda1:b2:c3::127:15:7:21
ns2              A      127.15.7.22
ns1              AAAA   fda1:b2:c3::127:15:7:22



;EOF