Whoxywhoxy.com
WHOIS lookup with cheap historical WHOIS and reverse WHOIS by registrant name, email, company or keyword.
domainemailreal namecompanydetails
tools / viewdns
ViewDNS.info
Swiss-army collection of DNS tools including reverse IP, reverse WHOIS, IP history, DNS records, reverse MX/NS and port checks.
freemiumapiweb
field note
IP History shows which IPs a domain resolved to over time and often exposes the origin server behind Cloudflare. Skip the port scanner, which is active.
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