- AbuseIPDB: Provides reputation data about the IP address or hostname - https://www.abuseipdb.com/
- Auth0 Signals: Checks IP address reputation; supports API - https://auth0.com/signals/ip
- BrightCloud URL/IP Lookup: Presents historical reputation data about the website -
- CheckPhish: Checks whether the URL is a fraudulent site - http://www.brightcloud.com/support/lookup.php
- Desenmascara.me: Flags websites suspected of selling counterfeit products - https://checkphish.ai/
- Email Blocklist Checker: Checks the domain name or IP address against email blocklists (email address required, opts into marketing). - http://desenmascara.me/
- FortiGuard lookup: Displays the URL’s history and category - https://grademyemail.co/email-blocklist-checker
- Google Safe Browsing: Look up the website’s current status - https://transparencyreport.google.com/safe-browsing/search
- hashdd: Provides historical data about IPs, URLs, etc. - https://hashdd.com/
- IBM X-Force Exchange: Provides historical data about IPs, URLs, etc. - https://exchange.xforce.ibmcloud.com/
- IPQualityScore: Presents a risk ranking for the IP address - https://www.ipqualityscore.com/free-ip-lookup-proxy-vpn-test
- Joe Sandbox URL Analyzer: Examines the URL in real time - https://www.url-analyzer.net/
- Ironscales Fake Login URL Scanner: Examines the URL for signs of phishing - https://ironscales.com/free-url-scanner/
- Is It Hacked: Performs several checks in real time and consults some blacklists - http://www.isithacked.com/
- IsItPhishing: Assesses the specified URL in real-time - http://isitphishing.org/
- Kaspersky Threat Intel Portal: Looks up the IP, URL, or domain in a blacklist - https://opentip.kaspersky.com/
- Norton Safe Web: Presents historical reputation data about the website - http://safeweb.norton.com/
- Palo Alto Networks URL Filtering: Looks up the URL in a blacklist - https://urlfiltering.paloaltonetworks.com/
- PhishTank: Looks up the URL in its database of known phishing websites - http://www.phishtank.com/
- PolySwarm: Uses several services to examine the website or look up the URL - https://polyswarm.network/
- Malware Domain List: Looks up recently-reported malicious websites - http://www.malwaredomainlist.com/mdl.php
- MalwareURL: Looks up the URL in its historical list of malicious websites - http://www.malwareurl.com/listing-urls.php
- McAfee TrustedSource: Presents historical reputation data about the website - http://www.trustedsource.org/
- MxToolbox: Queries multiple reputational sources for information about the IP or domain - http://mxtoolbox.com/blacklists.aspx
- Open Threat Exchange: Presents diverse threat intelligence data from AlienVault - https://otx.alienvault.com/browse
- PassiveTotal: Presents passive DNS and other threat intelligence data - https://www.passivetotal.org/
- Pulsedive: Presents historical data and queries for additional information - https://pulsedive.com/
- Quttera ThreatSign: Scans the specified URL for the presence of malware - http://quttera.com/
- Reputation Authority: Shows reputational data on specified domain or IP address - http://www.reputationauthority.org/
- Scamadviser: Checks whether the website is likely a shopping scam - https://www.scamadviser.com/
- SecurityTrails: Provides current and historical domain or system data - https://securitytrails.com/#search
- Sucuri SiteCheck: Scans the URL for malware in real-time and looks it up in several blacklists - https://sitecheck.sucuri.net/
- Talos Reputation Lookup: Presents historical reputation data about the website - https://talosintelligence.com/
- Trend Micro Site Safety Center: Presents historical reputation data about the website - https://global.sitesafety.trendmicro.com/
- Unmask Parasites: Looks up the URL in the Google Safe Browsing database - http://www.unmaskparasites.com/security-report/
- urlscan.io: Examines the URL in real time and displays the requests it issues to render the page - http://urlscan.io/
- URLVoid and IPVoid: Looks up the URL or IP in several blacklisting services - - http://urlvoid.com/ - http://www.ipvoid.com/
- VirusTotal: Looks up the URL in several databases of malicious sites - https://www.virustotal.com/
- ThreatMiner: Presents diverse threat intelligence data - https://www.threatminer.org/
- WebPulse Site Review: Looks up the website in BlueCoat’s database - https://sitereview.bluecoat.com/
- Zscaler Zulu URL Risk Analyzer: Examines the URL using real-time and historical techniques - http://zulu.zscaler.com/
- zveloLive: Looks up the website in its database of categories - https://tools.zvelo.com/