iana.org
IANA database listing top-level domains, registry operators, and root zone delegation data.
Directory
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Published directory entries matching your search.
lookup.icann.org
The site allows you to look up domain registration information (WHOIS) on the internet
iknowwhatyoudownload.com
Public torrent activity lookup showing observed downloads linked to IP addresses.
census2012.sourceforge.net
Research paper and dataset about internet-wide scanning and host discovery from 2012.
nerd.cesnet.cz
NERD IP reputation search for checking network entities, abuse data, and security signals.
ip.thc.org
Unlimited Reverse DNS, Subdomain and Reverse CNAME lookups, also provides JSON APIs.
ipok.io
Free, no-login IP reputation lookup that aggregates up to 8 risk sources, flags residential vs datacenter, and profiles /24 C-block neighbors. Also of
kutt.to
Open source URL shortener with custom domains, analytics, and self-hosting support.
leakix.net
Search engine for exposed services, misconfigurations, leaked data, and internet-facing systems.
offenders.mv
Maldives sex offender registry page for searching listed offenders and public records.
maltiverse.com
Threat intelligence search platform for malware indicators, IPs, domains, URLs, and hashes.
gov.mb.ca
Manitoba public notification page for high-risk sex offender alerts and community safety information.
metadefender.opswat.com
Security lookup platform for scanning files, hashes, URLs, IPs, and domains against threat data.
michiganvoters.info
Michiganvoters.info helps search voter-registration records, voter databases, or public election-related data.
mxtoolbox.com
Network diagnostic toolbox for DNS, MX, blacklist, SMTP, and domain health checks.
netlas.io
Internet asset search engine for domains, IPs, ports, certificates, and exposed services.
stevemorse.org
Steve Morse tool for searching New Jersey voter records and public registration information.
stevemorse.org
Steve Morse tool for searching New York voter records and public registration information.
nsod.naptip.gov.ng
Nigeria sex offender registry search for cases, names, and public offender records.
osint.sh
OSINT.sh online Nmap-style scanner for checking visible ports and network services.
nomerogram.ru
Vehicle plate search site for finding Russian license plate photos and related car sightings.
checkcardetails.co.uk
UK number plate check for vehicle details, MOT history, tax status, and registration data.
offshoreleaks.icij.org
ICIJ database for searching offshore companies, people, addresses, and leaked financial records.
ohiovoters.us
Ohiovoters.us helps search voter-registration records, voter databases, or public election-related data.