$ORIGIN xb.
$TTL 3600

@       SOA     ns1.xb. admin.mail.xa. (
                2024051801      ; serial
                6h              ; refresh
                1h              ; retry
                1w              ; expire
                1d )            ; minimum

        NS    ns1
        NS    ns2

ns1     A     127.2.0.13
ns1     AAAA  fda1:b2:c3::127:2:0:13

ns2     A     127.2.0.14
ns2     AAAA  fda1:b2:c3::127:2:0:14

$ORIGIN consistency05.xb.
@       NS    ns1
@       NS    ns2
ns1	A     127.14.5.23
ns1     AAAA  fda1:b2:c3::127:14:5:23
ns2     A     127.14.5.24
ns2     AAAA  fda1:b2:c3::127:14:5:24

$ORIGIN consistency06.xb.
@       NS    ns1
@       NS    ns2
ns1     A     127.14.6.23
ns1     AAAA  fda1:b2:c3::127:14:6:23
ns2     A     127.14.6.24
ns2     AAAA  fda1:b2:c3::127:14:6:24

;EOF