Scan reverse DNS by IPv4 or CIDRRun concurrent PTR lookups, filter by keyword mode, and inspect hint + score per IP.
PTRCNAMECIDRLEFTMIDDLERIGHTSCOREHINT

rDNS Scanner

CIDR scan runs concurrent PTR lookups and returns structured result rows.

DNS.NF queries only publicly available DNS data. We do not access private/internal DNS zones, and query targets are processed only to return lookup results.