Netcraft Extension
Netcraft Extension Icon

Notifies you when visiting a known or potential phishing site, and detects suspicious JavaScript (including skimmers and miners). Also provides a simple rating for a given site's legitimacy and security. Great for less technical users. Netcraft also has a handy online tool: Site Report for checking what any given website is running. Download: Chrome \ Firefox \ Opera \ Edge

Netcraft Extension Website


Endpoint Phishing & Cybercrime Protection | Netcraft

Endpoint browser protection against phishing and cybercrime powered by Netcraft's global threat intelligence platform.


Redirects to

Security Checks

All 66 security checks passed

Server Details

  • IP Address
  • Location San Francisco, California, United States of America, NA
  • ISP CloudFlare Inc.
  • ASN AS13335

Associated Countries

  • GB
  • US
  • IE

Saftey Score

Website marked as safe


Blacklist Check was found on 0 blacklists

  • ThreatLog
  • OpenPhish
  • PhishTank
  • Phishing.Database
  • PhishStats
  • URLhaus
  • RPiList Not Serious
  • AntiSocial Blacklist
  • PhishFeed
  • NABP Not Recommended Sites
  • Spam404
  • CRDF
  • Artists Against 419
  • CERT Polska
  • PetScams
  • Suspicious Hosting IP
  • Phishunt
  • CoinBlockerLists
  • MetaMask EthPhishing
  • EtherScamDB
  • EtherAddressLookup
  • ViriBack C2 Tracker
  • Bambenek Consulting
  • Badbitcoin
  • SecureReload Phishing List
  • Fake Website Buster
  • TweetFeed
  • CryptoScamDB
  • StopGunScams
  • ThreatFox
  • PhishFort

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About the Data: Netcraft Extension


You can access Netcraft Extension's data programmatically via our API. Simply make a GET request to:

The REST API is free, no-auth and CORS-enabled. To learn more, view the Swagger Docs or read the API Usage Guide.

About the Data

Beyond the user-submitted YAML you see above, we also augment each listing with additional data dynamically fetched from several sources. To learn more about where the rest of data included in this page comes from, and how it is computed, see the About the Data section of our About page.

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