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Checker tools

A collection of handy tools to check and verify all kinds of things.

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Checker tools

A collection of handy tools to check and verify all kinds of things.

DNS Lookup

Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.

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IP Lookup

Get approximate IP details.

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Reverse IP Lookup

Take an IP and try to look for the domain/host associated with it.

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SSL Lookup

Get all possible details about an SSL certificate.

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Whois Lookup

Get all possible details about a domain name.

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Ping

Ping a website, server or port.

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HTTP headers lookup

Get all the HTTP headers that an URL returns for a typical GET request.

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HTTP/2 Checker

Check whether a website is using the new HTTP/2 protocol or not.

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Brotli Checker

Check whether a website is using the Brotli Compression algorithm or not.

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Safe URL checker

Check if the URL is banned and marked as safe/unsafe by Google.

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Google cache checker

Check if the URL is cached or not by Google.

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URL redirect checker

Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.

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Password strength checker

Make sure your passwords are good enough.

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Meta tags checker

Get & verify the meta tags of any website.

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Website hosting checker

Get the web-host of a given website.

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File mime type checker

Get details of any file type, such as the mime type or last edit date.

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Gravatar checker

Get the gravatar.com globally recognized avatar for any email.

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What Are Website Checker Tools?

Website checker tools let you look under the hood of any website without installing software or writing code. Whether you are a developer debugging a deployment, an SEO specialist auditing a client site, or just curious whether a link is safe to open, these tools query public internet infrastructure — DNS records, SSL certificates, WHOIS databases, HTTP headers — and present the results in plain language.

What Can You Check?

DNS Lookup reveals the DNS records behind a domain: A, AAAA, MX, TXT, NS and more. Use it to verify that a domain points to the right server after a migration, or to inspect SPF and DKIM records when email deliverability drops.

SSL Lookup shows certificate details — issuer, expiry date, and chain validity. An expired certificate is one of the most common reasons visitors see browser warnings, and it takes seconds to check.

WHOIS Lookup displays domain registration data: registrar, creation date, and expiry. It is useful for due-diligence before buying a domain or reporting abuse.

HTTP Headers Lookup, Ping, and Reverse IP Lookup help diagnose connectivity and hosting issues, while the Safe URL Checker lets you inspect a suspicious link before you click it.

Privacy: Lookups Run on Our Servers, Nothing Is Stored

WebTaskTools checkers run the lookup instantly on our servers. The domain you type is never stored on our servers, and results are never logged to your account. For tools that must query third-party infrastructure (such as WHOIS), only the domain itself is transmitted — nothing about you.

Frequently Asked Questions

Are these checker tools free?
Yes. All checker tools on this page are free, with no signup required and no usage limits for normal use.

Is it legal to look up information about a website?
Yes. DNS records, SSL certificates, WHOIS data and HTTP headers are public information by design — that is how the internet routes traffic and establishes trust.

Why does a DNS lookup show different results than yesterday?
DNS records are cached at multiple levels (your device, your ISP, the authoritative server). Changes can take minutes to 48 hours to propagate fully worldwide.

Can I check whether a website is safe?
Use the Safe URL Checker to inspect a link before visiting. For a deeper safety review, read our guide on how to check if a website is safe.