Lucas Quaresma

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PTR Generator

Build compact or expanded IPv4 reverse zones for BIND and local-data-ptr records for Unbound.

Runs locally in your browser

Zone definition

IP, aligned CIDR, last-octet range (192.0.2.10-20) or 192.0.2.$. Maximum 65,536 records.
Available: $, {ip}, {o1}, {o2}, {o3}, {o4}. A relative result is appended to the domain.
SOA and nameserver settings

Generated output

PTR

The zone preview will appear here.