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
2025-11-26-1764115571-rdns.json.gz
be1cf546d33c357fd0ee1ba71ad85d53881730e4
11.3 GB Nov. 26, 2025
2025-11-19-1763510826-rdns.json.gz
2a719ab9af9d5ff7c1783242e705e1675e4e853f
11.2 GB Nov. 19, 2025
2025-11-12-1762906094-rdns.json.gz
e9fc386c1ebd60ec4770e132b3a5374f6c9e14be
11.2 GB Nov. 12, 2025
2025-11-05-1762301156-rdns.json.gz
fb223693a589725b68ed168e5bb368929061ff09
11.2 GB Nov. 5, 2025
2025-10-29-1761696467-rdns.json.gz
a9ce5b2ea3f72187e5435a205e3c5bace3957578
11.4 GB Oct. 29, 2025
2025-10-22-1761091546-rdns.json.gz
1871936feb091cdf08b3e2f332acfd01f9617860
11.4 GB Oct. 22, 2025
2025-10-15-1760486843-rdns.json.gz
05ab4e28cd62284cc1969bf2ac56825b388c9a6c
11.5 GB Oct. 15, 2025
2025-10-08-1759881951-rdns.json.gz
9191ec1788a994eab6950d0594ed242992029125
11.5 GB Oct. 8, 2025
2025-10-01-1759279091-rdns.json.gz
81a9452e1b91b0ecdd2241ad6b91521b40269de5
11.5 GB Oct. 1, 2025
2025-09-24-1758672512-rdns.json.gz
2d8054a7c6eb36ad101fd6b5f042cfef7cacfc00
11.4 GB Sept. 24, 2025