Check it first before you click or reply
Search a website domain, email address, or UK phone number
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Check a number, email or website — help protect the next person.
Own a domain? Show your visitors it's verified
Prove you control your domain and display a trusted badge on your website. Quick DNS verification, no account needed.
Verified domains can embed these badges on their website:
You'll be taken to your domain's page where you can start the verification process.
What you can check
We support websites & domains, email addresses, and UK phone numbers.
Frequently asked questions
What can I check on Check It First?
Phone numbers, website domains/links, and email addresses — to spot scam patterns and known phishing threats.
Does a "safe" result guarantee it's not a scam?
No. Scammers adapt quickly. Always stay cautious, especially if a message asks for money, passwords, or urgent action.
Is this service free?
Yes, completely free. Built by an independent developer and powered by community reports.
How do reports work?
Users can submit reports which are aggregated to warn others. Reports include optional, moderated descriptions to provide context.
How do you protect privacy?
We minimise data collection and design lookups to avoid publishing personal information. Email result pages aren't indexed by search engines.
CheckItFirst is an independent information site and not affiliated with banks, HMRC, delivery companies or government bodies. Information provided is for guidance only.