Reverse DNS (PTR) Lookup

Resolve the PTR (reverse DNS) record for an IPv4 or IPv6 address and verify forward-confirmed reverse DNS (FCrDNS) by checking that the PTR hostname resolves back to the same IP.

get/api/util/reverse-dns

Request

  • Base URL: https://dechonet.com
  • URL: https://dechonet.com/api/util/reverse-dns
  • Auth: one of:
    • none
    • HTTP bearer

Query parameters

querystring required

IP address to reverse-resolve, IPv4 or IPv6 (e.g., '8.8.8.8' or '2001:4860:4860::8888'). Must be an IP, not a hostname.

lang'en' | 'ko'

Language of the interpretation text.

Response

Result

okboolean required
requestIdstring required
cachedboolean required

True when a recent stored result was returned.

updatedAtstring date-time nullable

When the result was produced.

dataunknown required
previousSnapshotobject

The previous stored result for the same target, when there is one.

Changes

No recorded changes to this operation across all 1 revision of this API.