Small domain changes. Serious business risks.

Typosquatting, phishing and impersonation threaten more than your IT systems. They put your brand, revenue and customer trust at risk. Check your domain for free today.

Free to use. No email or credit card required.

DNS Twister is trusted to keep watch.

Banks, insurance companies, cybersecurity teams, investment firms, software companies and small businesses around the world trust DNS Twister to flag domain impersonation risks.

We're monitoring thousands of domains, including these partners:

Elastic Email
Colony Bank
Avista
American Securities
ACIO
Relibank
Dallas Capital Bank

One domain check is a start. Monitoring keeps you informed.

Simple to implement. Built to keep watch. DNS Twister scans registered SSL certificates for your domain name and monitors newly registered certificates as threats emerge.

Subscribers receive real-time alerts on critical changes, including new MX records that could enable attackers to send phishing emails. Investigate early and act to protect your customers and your brand.

See how monitoring works

DNS Twister domain monitoring dashboard
01

1 billion+

Registered SSL certificates scanned for your domain name.

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5 million+

Newly registered certificates monitored every day.

How DNS Twister can help mitigate business risks

Identify phishing schemes

Recognize lookalike websites that could trick your customers into sharing personal data.

Spot staff impersonation

Identify suspicious domains that could be used to impersonate colleagues and deliver dangerous inbound email.

Protect intellectual property

Find malicious domains and copycats that could damage your reputation or steal your brand.

How DNS Twister can strengthen your cyber security.


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Domain monitoring

Track newly registered lookalike domains and DNS changes that may signal a threat.

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Critical-change alerts

Receive email or API notifications so your team can investigate and respond.

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Reporting and oversight

Keep an overview of impersonation risks across a single domain or a whole portfolio.

Explore all subscription features

Choose the coverage your business needs.

Start with a free check, then explore ongoing protection for the domains that matter to you.

01

Protect your domain

A deeper scan and ongoing monitoring to help you stay informed about threats to your business.

View monitoring plans

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Watch a domain portfolio

Monitor multiple domains with reporting and notifications to help your team keep watch.

Explore portfolio options

Put your brand one step ahead.

Make domain monitoring part of your security routine. Start your free trial today, with no credit card required.

Start your free trial

Stay ahead of the next threat.

Security news, practical tips and recommendations from the DNS Twister blog.

Visit the blog

DOMAIN SECURITY RESOURCES

Domain Security Resources

All resources

Guides and tools for checking lookalike domains, monitoring suspicious activity, and responding to domain impersonation.