DNS IPv4 PTR responses

Study Details

Study

Reverse DNS (RDNS)

Author

Project Sonar | Rapid7

Contact

Rapid7 Labs

Dataset Details

This dataset includes the responses to the IPv4 PTR lookups for all non-blacklisted/private IPv4 addresses.

Dataset Schema

Full Dataset Listing

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File Name SHA1-Fingerprint Size Updated At
2025-09-24-1758672512-rdns.json.gz
2d8054a7c6eb36ad101fd6b5f042cfef7cacfc00
11.4 GB Sept. 24, 2025
2025-09-17-1758067575-rdns.json.gz
56ba80278e27e6c09b248b6aecbec2ff44841c1b
11.4 GB Sept. 17, 2025
2025-09-10-1757462822-rdns.json.gz
9693bffa91dc6b3d8d9cec5f09075af96de02176
11.3 GB Sept. 10, 2025
2025-08-27-1756253293-rdns.json.gz
e456aa052812db75233c9f61ea7971c46ab95b16
11.3 GB Aug. 27, 2025
2025-08-20-1755648424-rdns.json.gz
6cccd3daf8fdecef7947e9766d615e2b78e62add
11.3 GB Aug. 20, 2025
2025-08-13-1755043637-rdns.json.gz
dadec97f634ecce536adee5f6f5e7a7a38cee75d
11.3 GB Aug. 13, 2025
2025-08-06-1754438880-rdns.json.gz
9770ad172903bc1c4a1091dd3bc7603da9d82578
11.3 GB Aug. 6, 2025
2025-07-30-1753834030-rdns.json.gz
3fedecec5956baf5a0b1ecd89a9cbd7a7bbf34df
11.3 GB July 30, 2025
2025-07-23-1753229212-rdns.json.gz
66b51eec766c5704d451a36961d719ba2f80bac8
11.2 GB July 23, 2025
2025-07-16-1752624423-rdns.json.gz
2869c1a910af3b3516dad68957b33c63eb41ba05
11.3 GB July 16, 2025