https://reverse-dns.whoisxmlapi.com/api
Reverse DNS API | SOA, TXT, and CNAME to Domains | WhoisXML API
Map SOA, TXT, and CNAME records to their associated domain names with ease and speed with Reverse DNS API. Get started for free with 100 API calls.
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https://networksdb.io/
NetworksDB IP Intelligence, Company to IP, IP address owners, Reverse Whois + DNS, free tools & API
Apr 8, 2026 - The free tools below allow to find IP addresses and domains owned by companies and organisations. Mass reverse DNS, reverse Whois, lists of registered domains.
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