fr.ipv4/network-tools

up checked 2026-11-11T04:38:57.682Z

Unclaimed · Unverified

Publisher-provided title

ipv4.fr Network Tools

Publisher-provided description

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

Summary by lookupd

Runs DNS, WHOIS, TLS, email, IP geolocation, blacklist and HTTP header checks, plus subnet calculations and domain security audits.

Install

Claude Code, remote (streamable-http)

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

Codex, remote (streamable-http)

codex mcp add network-tools --url https://ipv4.fr/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

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

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/fr.ipv4/network-tools.svg)](https://lookupd.com/servers/fr.ipv4/network-tools)