Assess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive set of data sources

Evaluate the reputation of a domain or IP by using a host of security data sources together with an instant audit of external configuration. For the domain name or IP address you are interested in, gather and assess over hundreds of parameters to calculate its reputation score. You can investigate multiple properties of the domain or IP ever since it was registered and gauge likely threats and plausible risks from domains or IP that do not appear to have been involved in wrongdoing.

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100 free requests monthly. No credit card required.

The resulting reputation score is based on

  • The website content and it relation to other domains, and host configuration

  • Whether the domain is deemed dangerous in numerous malware data feeds all over the Internet

  • The domain's SSL certificates, SSL connection, and configuration

  • DNS MX records configuration and corresponding mail servers

  • The domain's WHOIS record

  • Configuration of the name server

  • Infrastructure of the domain's IP addresses

  • Reverse IP lookup


  • An accurate estimation considering hundreds of parameters

    The resulting risk score will range between 0 (high risk) and 100 (low risk). The higher risk scores are given to already known malicious Registrant, IP addresses, and Name Servers. This approach helps users to identify malicious domains before getting involved with them.

  • Forewarned is forearmed

    Domains are estimated right upon their registration. Block out untrustworthy domains before they can harm you. Figure out what type of risk a dubious domain may represent.

  • Instant risk assessment

    We provide a quick response Domain Reputation API can be easily integrated into your business practices. This is a precise and up-to-date solution aimed to help your business.

Practical uses

  • Enterprise

    In an era when complex attacks make millions of dollars’ worth of data pour into unknown domains, companies need more stringent controls and enhanced automated systems to monitor their data traffic. A prognostic API that assesses the domain’s reputation can protect you from potentially dangerous domains.

  • Forensic investigations

    With reputation scores given to domains, URLs and IP addresses allow individuals or automatic security systems to decide whether to deny, allow or conditionally resolve the connection depending on its type. In investigations, it helps one look into the areas that are most likely to be suspicious.

  • E-commerce & online banking

    Banks, payment processors and many e-commerce systems conduct automatic transactions from domain to domain. Such businesses will take a huge interest in monitoring potentially hazardous domains to fend off mishaps and secure themselves against losses.

  • SEO & digital marketing

    Identify key points in conducting online advertising campaigns and optimize your marketing and SEO costs. Improve your organic visibility with a well-formed backlink array.

  • Registrars & domain investing

    Continuous monitoring of web resources. Getting the best business opportunities and preventing possible financial and image losses.

  • Telecommunications, internet & streaming providers

    Filter content by domain rating for certain user groups, parental control services and compliance with a specific law regulation. Track suspicious sources and prevent potential harm to users.

Domain Reputation API

Get 100 free requests monthly. No credit card required.

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Enterprise API Packages

API access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.

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