🌐 Network Tools
DNS lookups, SSL certificate checks, RDAP domain data, status, speed and security-header checks — run server-side with SSRF protection.
3 working tools in this category · 57,769 tools platform-wide
Popular Network Tools
SSL Certificate Checker
Inspect a domain's live TLS certificate: issuer, subject, validity dates and days remaining, via a direct TLS connection from our server.
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DNS Lookup
Look up a domain's DNS records (A, AAAA, MX, TXT, NS, CNAME) using Google's public DNS-over-HTTPS resolver.
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Domain Age Checker
Get a domain's registration date and age from the official RDAP registry data, plus registrar and status where the registry publishes them.
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Network Tools — FAQs
Are these network tools free?
Yes, basic use is free and does not require an account.
Is my data private?
Browser-based tools process everything on your device. Any tool that needs a server or external service states that on its own page.
Authoritative resources
- IANA — Domain name system — The Internet Assigned Numbers Authority's DNS resources.
- Mozilla Observatory — Mozilla's free security-header scanning project — a good second opinion for header checks.