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Free DomainReputation Check

Check the reputation of any domain in real time. Get a safe, suspicious, or malicious verdict, a 0 to 100 trust score, and the signals behind it. Free for single checks, no signup.
679,487
Seed Indicators
339.5M+
Extrapolated Data
1,544
Email Pivots
1,840
Org Pivots
73,924
Mx Pivots
57,830
Ns Pivots

Check the reputation of any domain

Try these examples:

What is a Domain Reputation Check?

A domain reputation check assesses whether a domain is safe, suspicious, or malicious by examining its threat history, registration, DNS, SSL, and hosting signals. WhoisFreaks runs six checks in real time and returns a verdict, a 0 to 100 trust score, and the reasons behind the result across 1,528 TLDs.

Risk Verdict
0 to 100 Trust Score
DGA Analysis
Evidence and Signals

Feature: Real-time checks across six data sources, from threat feeds to live DNS, WHOIS, and SSL

Feature: A 0 to 100 trust score with the positive and negative signals behind it

Feature: Built-in DGA detection that flags algorithmically generated domain names

Feature: Free single-domain checks with no signup required

For automated, high-volume domain checks at scale, WhoisFreaks offers a Domain Reputation API for programmatic risk scoring with the same verdict, trust score, and evidence available through this tool.

Who uses Domain Reputation Check?

A domain reputation check shows whether a domain can be trusted before you click, deliver, or connect to it. Below are four common use cases, from security triage to fraud prevention.

Security and SOC Triage

Analysts check suspicious domains from alerts and logs to decide whether to block, monitor, or clear them, using the evidence trail to see why a domain was flagged.

Phishing and Email Investigation

Email and abuse teams check sender and link domains to spot phishing infrastructure, often before a domain has any reported URL on it.

Fraud and Abuse Prevention

Trust and safety teams check domains submitted by users at sign-up or listing time to keep fake and throwaway domains out of their platform.

Domain Vetting and Research

Researchers, registrars, and buyers check a domain's history and risk signals before acquiring, listing, or trusting it.

Why Use the WhoisFreaks Domain Reputation Check Tool?

WhoisFreaks scores a domain from six checks that run in real time: a match against curated threat intelligence, live DNS, WHOIS, and SSL lookups, a landing-page content check, and a DGA analysis of the domain name. The results combine into one verdict and one trust score, usually in four to five seconds, with every signal listed so you can see the reasoning.

The check combines six signals:

  • Threat intelligence matches, both direct and pivot-based
  • Live DNS records, including SPF and DMARC
  • WHOIS registration age and privacy status
  • SSL certificate validity and issuer
  • Landing-page redirects and obfuscated JavaScript
  • DGA score of the domain name
Tip

For programmatic or bulk domain reputation checks, see the Domain Reputation API ,or contact us through our contact form for tailored plans.

Recent Domain Reputation Checks

For request and response examples, trust score methodology, DGA analysis, threat intelligence fields see the Domain Reputation API documentation.

Domain Reputation Check FAQs

Common questions about domain reputation, trust scores, and how this tool works.

What is a domain reputation check?

Is the domain reputation check free?

How is the trust score calculated?

What does a suspicious or malicious verdict mean?

Why is a domain flagged even if it is not on a blocklist?

How current is the reputation data?

Can I check domains in bulk or through an API?

What is DGA detection?