$ORIGIN .
$TTL 172800

; 158.97/16
97.158.in-addr.arpa.      NS DNS1.CICESE.MX.

; 158.170/16

; 158.251/16
251.158.in-addr.arpa.     NS NS.UCV.CL.
                          NS NS2.UCV.CL.

LACNIC.158.in-addr.arpa.  TXT "Generated at 2019-10-03 07:58:02Z with 3 NS records."
