They do have historic reverse IP search at dns-history.whoisxmlapi.com/api but their data is not obviously more complete than viewdns.info, e.g.: as of March 2025:Their whois data seems much better quality however.
- 62.22.60.56
- viewdns.info/reverseip/?t=1&host=62.22.60.56 has traveltimenews.com from 2011
- dns-history.whoisxmlapi.com/api is empty
- 66.175.106.158
- viewdns.info/reverseip/?host=66.175.106.158&t=1 has a hit from 2011
- dns-history.whoisxmlapi.com/api is empty
As of 2025, you can do historical whois for free on the API demo under whois-history.whoisxmlapi.com/ but it only shows the 3 newest records.
To unlock that, you have to create an account, which gives you 500 credits, and then:They do normalize Gmail dot trick, but not for the
- tools.whoisxmlapi.com/whois-history-search: each full historical whois report for a domain costs 50 points
- tools.whoisxmlapi.com/reverse-whois-search: each historical reverse whois search search costs 1 point
googlemail trick. New to topics? Read the docs here!