http://buildasite.us

" $ORIGIN 128/26.2.0.192.in-addr.arpa.
@ IN SOA ns.B.domain. hostmaster.B.domain. (...)
@ NS ns.B.domain.
@ NS some.other.name.server.too.
;
129 PTR host1.B.domain.
130 PTR host2.B.domain.
131 PTR host3.B.domain."

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