Network Utilities

5 lookup tools to quickly find configuration and failure root causes. Results are summarized as status, likely causes, and next actions.

Tool List

My IP

IPv4/IPv6, ASN/ISP, request info.

Open

RDAP

Registration status, nameservers, expiry.

Open

DNS

A/MX/TXT/NS/SOA diagnostics.

Open

SSL

Expiry, SAN, chain verification.

Open

HTTP

Redirects, security headers.

Open

Use Cases

Domain not loading

Check RDAP → DNS → HTTP in order to isolate connection/redirect issues.

Email delivery failure

Check DNS MX/TXT (SPF/DMARC) first and apply the checklist.

Security warning

Check SSL expiry/mismatch, then inspect HTTP security headers.

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