Network Tools

Diagnostics and lookups: ping, DNS, WHOIS, IP, headers and more.

Fresh answers

Edge-side resolvers and HTTP fetches show real user and bot views.

Email auth clarity

SPF, DKIM, DMARC checks with policy summaries for quick fixes.

Privacy-first

Minimal logging, short-lived processing, no third-party analytics pixels.

About

Resolve DNS, check headers, verify TLS, email auth, see your public IP, ASN and subnets — tuned for speed, clarity and privacy.

DNS propagation, HTTP headers and redirects, SPF/DKIM/DMARC, TLS expiry and chain checks, ASN/prefix lookups, IP visibility and subnet math live here. Server-side execution keeps answers consistent and layouts stay readable on mobile and desktop.

Requests run from the edge so you see what users and crawlers see, not your browser cache. No third-party pixels; logging is minimal and packet captures are not stored beyond the request. Mail auth results include raw DNS plus policy summaries; headers show redirects, status codes, cache hints and security headers together.

Use these tools to validate launches, confirm DNS changes, verify CDN headers, audit TLS hygiene and fix email deliverability. Share links with your team without exposing tokens — inputs are fast, outputs are copyable, retries are instant.

FAQ

›Why do results differ by location?

CDNs, anycast routing, DNS caching, and geo-based policies can change what you see. Testing from the edge helps approximate user and crawler views.

›Do you store lookups or scans?

Tools run per request and are designed with minimal logging. Packet captures are not stored beyond the request.

›Can I validate email deliverability here?

You can check SPF/DKIM/DMARC and DNS records to catch common issues. Inbox placement also depends on reputation and content.

›What should I check before a launch?

Verify DNS, TLS expiry/chain, redirects and headers (cache/canonical/security), and confirm key ports are reachable.