osint.sh
OSINT.sh certificate search for finding TLS certificates, domains, and certificate history.
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crt.sh
CRT Certificate Search, known as crt.sh, is a free certificate transparency log search tool from Sectigo, formerly Comodo CA. It accepts an identity such as a domain name or organization name, a certificate fingerprint in SHA-1 or SHA-256 form, or a crt.sh ID as search input. The tool is provided by Sectigo Limited.
certkit.io
CertKit Certificate Search is a tool that searches TLS certificate transparency logs to locate publicly issued certificates. It can identify new subdomains, certificate renewals, and suspicious activity, supporting security monitoring, domain research, and uncovering hidden infrastructure.
transparencyreport.google.com
Google certificate transparency search for checking certificates and HTTPS records.
censys.io
Censys certificate search for exploring TLS certificates, domains, issuers, and transparency logs.
merklemap.com
Merklemap is a subdomain and certificate transparency search engine. It collects Certificate Transparency data by live tailing CT logs and indexing certificates, and offers a web interface, an API, and a CLI for searching subdomains and SSL/TLS certificates.
searx.space
searx.space is a directory of online and offline SearXNG instances. The site lists 70 currently online SearXNG instances, and tracks instance status including offline, connection timed out, HTTP client and server errors. For each listed instance, it displays details such as URL, software version, TLS configuration, security scores, certificate information, IPv6 support, country, associated network, search response times and uptime. Users can submit requests to add or remove instances via GitHub issues, and can filter out networks with known privacy issues.
search.censys.io
Internet asset search engine for finding hosts, services, certificates, and exposed infrastructure.
censys.io
Internet asset search engine for domains, hosts, certificates, and exposed services.
arabidopsis.info
The Eurasian Arabidopsis Stock Centre (uNASC) is a stock centre offering search and browsing of stocks, seed ordering and seed donation. From January 1st, 2021, seed orders from EU customers require a phytosanitary certificate. Prices, ordering, tracking and material transfer agreements are provided.
netlas.io
Internet asset search engine for domains, IPs, ports, certificates, and exposed services.
onyphe.io
OSINT search engine for exposed assets, IPs, domains, certificates, and network data.
osint.sh
OSINT.SH is a collection of information gathering tools. It lists tools for finding public cloud buckets, subdomains, DNS history, reverse IP lookups, technology detection, certificate searches, DNS lookups, reverse Google Analytics and AdSense IDs, WHOIS history, reverse WHOIS, reverse domain searches, OCR text extraction, MD5 hash guessing, SSL checking, IP geolocation, and reverse MX and name server records.
tenantresolution.pingcastle.com
PingCastle Cloud provides a search page for Azure tenants by domain name or tenant ID. Domain searches use online OpenID configuration data, while ID searches rely on a database built from publicly known domains from certificate transparency records, with each domain checked for OpenID configuration and collected tenant IDs. It lists known tenants.
codeberg.org
Escapepod is a free, open source podcast player for Android under the MIT license. It uses a minimalistic two-screen approach: a list of podcasts and a list of episodes for one podcast. It lacks podcast discovery, offering only a simple search, and opens RSS podcast links tapped in a web browser. APKs on Codeberg Releases are signed with a listed certificate.
spyse.com
Internet asset intelligence platform for domains, IPs, certificates, and exposed infrastructure.
synapsint.com
OSINT platform for searching domains, IPs, emails, certificates, and related intelligence.