ViewDNS.infoviewdns.info
Swiss-army collection of DNS tools including reverse IP, reverse WHOIS, IP history, DNS records, reverse MX/NS and port checks.
domainip / asnemailreal namedetails
tools / host-io
host.io
Domain data API and lookup showing backlinks, redirects, co-hosted domains, and domains sharing the same analytics or tracking IDs.
freemiumacct optionalapiweb
used in playbooks
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BBOTgithub.com
Recursive internet scanner that chains 100+ modules for subdomain enumeration, web spidering and email harvesting. Has a passive-only preset.
domainip / asncompanydetails
BuiltWithbuiltwith.com
Technology profiler for websites that shows the CMS, analytics, ad networks and hosting, plus a relationship tool linking sites by shared tracking IDs.
domaindetails
Censyssearch.censys.io
Internet-wide scan data on hosts, services and certificates, with a powerful query language. Strong for certificate pivoting and finding related infrastructure.
ip / asndomaincompanydetails
Criminal IPcriminalip.io
Threat-focused internet asset search engine with IP and domain risk scoring, exposed services, vulnerabilities and screenshot reports.
ip / asndomaindetails
dnsxgithub.com
Multi-purpose DNS toolkit for bulk resolving, record querying, wildcard filtering and subdomain brute-forcing.
domainip / asndetails