ipv4.fr Network Tools

Name: ipv4.fr Network Tools
Author: fr.ipv4

MCP serverMCP

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

by fr.ipv4homepage ↗v1.0.0

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability17/17 checks ok

when	check	result	http	latency	detail
7 h ago	mcp initialize	ok	200	1096 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
14 h ago	mcp initialize	ok	200	1082 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
22 h ago	mcp initialize	ok	200	996 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
29 h ago	mcp initialize	ok	200	986 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	1100 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	1074 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	1125 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	1115 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
3 d ago	mcp initialize	ok	200	1066 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools
3 d ago	mcp initialize	ok	200	1031 ms	server ipv4.fr network tools 1.0.0 · protocol 2025-06-18 · 9 tools

Tools observed via MCP handshake

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

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registryfr.ipv4/network-tools

first seen 5 d ago · fetched 2 d agoopen ↗

Field history (6 recent events)

5 d ago · declared · summary → "DNS, WHOIS, SSL, IP geolocation, email validation, DNSBL blacklist, HTTP headers, subnet calc."
5 d ago · declared · description → "DNS, WHOIS, SSL, IP geolocation, email validation, DNSBL blacklist, HTTP headers, subnet calc."
5 d ago · declared · publisherName → "fr.ipv4"
5 d ago · declared · homepageUrl → "https://ipv4.fr"
5 d ago · declared · version → "1.0.0"
5 d ago · declared · protocols → ["mcp"]

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from