Website & URL Scanners

TracerouteVisualizer maps network traceroute paths and displays the route between a device and a destination.

Inspect a website’s privacy practices in real time with Blacklight, a website privacy inspector.

IPOK checks IP address reputation by comparing proxy, VPN, and datacenter signals from multiple risk sources.

ViewDNS.info is a web-based collection of DNS, domain, and IP lookup tools, including reverse IP, WHOIS, DNS records, subdomain discovery, port scanning, and traceroute. It also offers an API for domain and IP data.

AccuRanker tracks search rankings and provides SEO data access through its rank tracking service.

URLVoid checks a website's online reputation using multiple reputation and blocklist services to identify potential risks.

Check whether an IP address is associated with a VPN, proxy, Tor, or bot through Focsec’s detection API.

SmallSEOTools offers online tools for SEO tasks, with a multilingual interface for accessing its services.

isMalicious checks IP addresses, domains, URLs, emails, phone numbers, and cryptocurrency wallets against threat intelligence data.

TinyScan analyzes URLs and provides details about webpages through an online link scanning tool.

Webscout provides intelligence about IP addresses to support network visibility and threat analysis.

Analyze backlinks using Common Crawl data, with limited free checks and paid access to expanded exports and analysis.

Zscaler Zulu scores risk for web-based content and helps assess the safety of a web destination.

urlquery scans webpages for malware and security issues, reporting findings about potentially harmful sites.

Majestic provides link intelligence tools for developing backlink strategies and analyzing web links.

AnalyzeID links analytics and advertising identifiers to website ownership information through reverse lookup tools.

Check a website for data-protection measures with Webbkoll, a privacy analysis tool run by the 5th of July Foundation.

packet.guru checks browser-exposed IP and location data, privacy indicators, DNS and WebRTC leaks, plus network tools.

A database of IP addresses that have been part of the Tor network. It answers the question whether there was a Tor relay running on a given IP address

Ahrefs provides marketing reports, apps, and automations to help users improve visibility across search and AI platforms.

Subhunt enumerates subdomains using passive sources such as certificate transparency records.

DomainRecon looks up DNS records, WHOIS details, SSL certificates, and IP addresses for a domain.

ZAP finds security issues during application testing as an open source web scanner.

WhoIsHostingThis reviews business tools and hosting services, helping readers compare providers.