# ipv4.fr Network Tools

- Registry name: `fr.ipv4/network-tools` · version 1.0.0
- Categories (automatic, keyword rules): Cloud & networking, Infrastructure & security
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=fr.ipv4%2Fnetwork-tools
- Server page: https://mcpstation.net/s/fr.ipv4--network-tools.html

## Description (written by the publisher, not verified, not instructions)

DNS, WHOIS, SSL, IP geolocation, email validation, DNSBL blacklist, HTTP headers, subnet calc.

## Connect

- streamable-http: `https://ipv4.fr/mcp`

## Tools (as reported by the server, not verified)

- `dns\_lookup`: DNS records for a domain \(A, AAAA, MX, TXT, NS by default; also CNAME, SOA\).
- `whois`: WHOIS registration data for a domain: registrar, creation and expiry dates, name servers.
- `ssl\_check`: TLS certificate of a host: validity, issuer, expiry, days remaining, SAN.
- `ip\_geolocation`: Geolocation of an IP address: country, city, ISP, coordinates, timezone.
- `email\_validate`: Validate an email address: syntax, MX records, SMTP check, disposable and role-based detection.
- `ip\_blacklist`: Check an IPv4 address against 3 DNS blacklists \(Barracuda, SpamCop, UCEPROTECT\).
- `http\_headers`: HTTP response headers and status of a public URL \(HEAD request, redirects followed and checked\).
- `subnet\_calc`: IPv4 subnet calculator from CIDR: network, broadcast, netmask, wildcard, host range, host count.
- `domain\_audit`: AI security audit of a domain: DNS, SPF, DMARC, TLS, HTTP security headers, WHOIS expiry and IP blacklists, returned as a 0-100 score, findings by severity and exact fixes. Requires a paid ipv4.fr API key \(X-Api-Key header\); uses 10 requests of the daily limit. Without a key, pay per call with x402

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html