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ipv4.fr Network Tools

fr.ipv4/network-tools · v1.0.0

New (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	9 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

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

streamable-http · https://ipv4.fr/mcp

claude mcp add --transport http network-tools https://ipv4.fr/mcp

{
  "mcpServers": {
    "network-tools": {
      "url": "https://ipv4.fr/mcp"
    }
  }
}

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

Website · JSON · Text for agents · Registry updated 2026-10-24