## 🌍 Domains, IPs & Infrastructure

[← Back to Index](../README.md)

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

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

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

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

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

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

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