Domain Recon Tool is a free online tool for security researchers and analysts that retrieves DNS records, WHOIS and RDAP data, SSL certificates, IP addresses and subdomains for a domain or URL. It supports complete DNS record analysis and WHOIS registration data retrieval.
SubDomainRadar is a service that is paused. It is no longer accepting scans, API requests, or new signups while the platform changes hands. Existing account data is retained, and recurring billing for active subscriptions has been stopped. The same team offers LeakRadar, a data breach monitoring service.
Semrush is a platform for growing and measuring brand visibility across AI search, SEO, PPC, and social. Its toolkits cover keyword research, competitor analysis, backlink analysis, technical site audits, content creation, local search visibility, and tracking of brand appearances in AI-generated answers. A free trial is offered.
Webscout provides intelligence on IP addresses for defenders of democracies and critical infrastructure. Its platform ingests network and intelligence feeds, adds context, detects threats, and supports investigation and response. It enriches IPs with data on geolocation, network ownership, VPNs, Tor, residential proxies, and provider attribution, delivered by API, bulk feed, or SIEM integration. It also offers honeypots and domain intelligence.
DB-IP provides an IP geolocation API and database covering IPv4 and IPv6 address spaces, with data on locations and network intelligence. It lists uses including location-aware content, traffic surveys and risk analysis. A free download is offered.
IP Location is a web tool that checks a visitor's public IPv4 and IPv6 address and shows approximate IP geolocation, ISP, organization, ASN, time zone and privacy signals such as VPN, proxy or Tor status. It also offers an IP address lookup field and a bulk IP lookup option. Lookup data is provided by IP2Location.
Focsec is an API for detecting VPNs, proxies, TOR and bot traffic. It provides IP check data for protecting applications, identifying suspicious logins, detecting fraudulent signups and stopping scrapers and crawlers. Plans are billed monthly, and a free 14 day trial is offered.
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SubDomainRadar is a service that is paused. It is no longer accepting scans, API requests, or new signups while the platform changes hands. Existing account data is retained, and recurring billing for active subscriptions has been stopped. The same team offers LeakRadar, a data breach monitoring service.
Semrush is a platform for growing and measuring brand visibility across AI search, SEO, PPC, and social. Its toolkits cover keyword research, competitor analysis, backlink analysis, technical site audits, content creation, local search visibility, and tracking of brand appearances in AI-generated answers. A free trial is offered.
Webscout provides intelligence on IP addresses for defenders of democracies and critical infrastructure. Its platform ingests network and intelligence feeds, adds context, detects threats, and supports investigation and response. It enriches IPs with data on geolocation, network ownership, VPNs, Tor, residential proxies, and provider attribution, delivered by API, bulk feed, or SIEM integration. It also offers honeypots and domain intelligence.
DB-IP provides an IP geolocation API and database covering IPv4 and IPv6 address spaces, with data on locations and network intelligence. It lists uses including location-aware content, traffic surveys and risk analysis. A free download is offered.
IP Location is a web tool that checks a visitor's public IPv4 and IPv6 address and shows approximate IP geolocation, ISP, organization, ASN, time zone and privacy signals such as VPN, proxy or Tor status. It also offers an IP address lookup field and a bulk IP lookup option. Lookup data is provided by IP2Location.
Focsec is an API for detecting VPNs, proxies, TOR and bot traffic. It provides IP check data for protecting applications, identifying suspicious logins, detecting fraudulent signups and stopping scrapers and crawlers. Plans are billed monthly, and a free 14 day trial is offered.
