===== 🌍 Domains, IPs & Infrastructure =====


==== Registries and Whois ====
    * [[https://who.is|Whois]] — Basic Whois lookup  
    * [[https://whois.icann.org/en|ICANN Whois]] — Official ICANN Whois  
    * [[https://arin.net|ARIN]] — North America IP registry  
    * [[https://ripe.net/|RIPE]] — Europe, Russia, Middle East IP registry  
    * [[https://apnic.net|APNIC]] — Asia-Pacific IP registry  
    * [[https://lacnic.net|LACNIC]] — Latin America and Caribbean IP registry  
    * [[https://afrinic.net|AFRINIC]] — Africa IP registry  
    * [[https://www.apnic.net/static/whowas-ui/|Apnic WhoWas]] — Historical Asia-Pacific domains  
    * [[https://sidn.nl|SIDN]] — Netherlands domain registry  
    * [[https://eurid.eu/en/|Eurid]] — .EU domain registry  

==== Domain Intelligence ====
    * [[https://domaintools.com|DomainTools]] — Domain research platform  
    * [[https://www.domainiq.com/|DomainIQ]] — Domain intelligence and history  
    * [[https://completedns.com/dns-history/|Completedns]] — DNS history database
    * [[https://www.ipqualityscore.com/|IPQS]] - Toolbox for domain/IP intelligence 
    * [[http://whoisrequest.com/history/|WhoisRequest]] — Domain ownership history lookup    
    * [[https://securitytrails.com/|SecurityTrails]] — DNS and infrastructure data  
    * [[https://robtex.com/|Robtex]] — Infrastructure graph explorer
    * [[https://web-check.xyz/|Web-Check]] - Website analysis tool  

==== Certificates and DNS  ====
    * [[https://crt.sh/|crt.sh]] — Certificate Transparency logs  
    * [[https://passivedns.mnemonic.no/|PassiveDNS (Mnemonic)]] — Historical DNS resolution  
    * [[https://dnsdumpster.com/|DNSDumpster]] — DNS mapping and reconnaissance  
    * [[https://dnslytics.com|DNSlytics]] — DNS, IP, and ASN intelligence  
    * [[https://viewdns.info|ViewDNS]] — Multi-tool for DNS and Whois lookups  

==== Technology Fingerprinting ====
    * [[https://builtwith.com/|BuiltWith]] — Website technology profiler  
    * [[https://www.wappalyzer.com/|Wappalyzer]] — Detect CMS, frameworks, and technologies  
    * [[https://toolbar.netcraft.com/site_report|Netcraft]] — Site reports and hosting analysis
    * [[https://nikto.online/|Online Nikto scanner]] — Identifying Potential Vulnerabilities and Misconfigurations (Active & OSINT)
    * [[https://spyonweb.net/|SpyOnWeb]] — Shared analytics and advertising IDs  
    * [[http://www.visualsitemapper.com|VisualSiteMapper]] — Website relation mapping  

==== IP Tools ====
    * [[https://www.ipvoid.com/|IPVoid]] — IP lookup and blacklist checks  
    * [[https://iplocation.net/|IP Location]] — Approximate IP geolocation
    * [[https://maxmind.com/|Maxmind]] — Geo IP tool
    * [[https://centralops.net|CentralOps]] — Network lookup toolkit  
    * [[https://network-tools.com|Network-Tools]] — Classic network OSINT (legacy)
    * [[https://portscanner.online|Online Port scanner]] — Check Open Ports (Active Scanning & OSINT) for Target Host 
    * [[https://iknowwhatyoudownload.com/en/peer/|I Know What You Download]] — Torrent history by IP  

==== Domain Age and History ====
    * [[https://carbondate.cs.odu.edu/|CarbonDate]] — Estimate when a domain was created  
    * [[https://whois.easycounter.com/|Whois EasyCounter]] — Historical Whois and ownership details  
    * [[https://whynohttps.com/|WhyNoHTTPS]] — Database of sites without HTTPS
    * [[https://github.com/nixintel/urldater|URL Dater]] - Nifty tool to check age of website  

==== Website Relationship & Similarity ====
    * [[https://www.similarsites.com/|SimilarSites]] — Find websites similar to a given domain  
    * [[https://www.siteslike.com/|SitesLike]] — Discover alternative sites and competitors