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
2025-07-23-1753229212-rdns.json.gz
66b51eec766c5704d451a36961d719ba2f80bac8
11.2 GB July 23, 2025
2025-07-16-1752624423-rdns.json.gz
2869c1a910af3b3516dad68957b33c63eb41ba05
11.3 GB July 16, 2025
2025-07-09-1752019638-rdns.json.gz
ac6048b0263a14a7677456404ac0015df0c14ea7
11.2 GB July 9, 2025
2025-07-02-1751414822-rdns.json.gz
813c4296ba3f9e8fcb60e92c2daf06d816049f17
11.2 GB July 2, 2025
2025-06-26-1750959139-rdns.json.gz
65d9688d3bf977bf72fdec1322fe83f572b11a7c
11.3 GB June 27, 2025
2025-06-04-1748995604-rdns.json.gz
979c493765a9983fe68123b482b38ce72510327e
11.6 GB June 5, 2025
2025-05-28-1748390893-rdns.json.gz
aba102ab6e6d1e6469ce496788f56ca904aabd12
11.4 GB May 28, 2025
2025-05-21-1747786018-rdns.json.gz
cb06cfbf5efd2fd8057e28aac558ef68f9882c75
11.5 GB May 21, 2025
2025-05-14-1747181192-rdns.json.gz
a71d42438d53559bbc79332c4688c1d7bb1bfe65
11.5 GB May 14, 2025
2025-05-07-1746576430-rdns.json.gz
f765c4cfb60132ae508e31026ef59b008f507e74
11.5 GB May 7, 2025