THC Release 💥: The world’s largest IP<>Domain database:
All forward and reverse IPs, all CNAMES and all subdomains of every domain. For free.
Updated monthly.
Try: curl https://ip.thc.org/1.1.1.1
Raw data: 
(The fine work of messede 👌)
IP.THC.ORG - Reverse-DNS, Subdomain and CNAME Lookups
Reverse-DNS, Subdomain and CNAME Lookups
Bulk Data Access | ip.thc.org
We publish our database in its entirety at the end of each month in CSV and parquet formats, the latest data can downloaded from the links specifie...
