ipv4.fr Network Tools
DNS, WHOIS, SSL, IP geolocation, email validation, DNSBL blacklist, HTTP headers, subnet calc.
使うべきか
品質と安全性
検出事項（2）
- LOWTool 'whois' description lacks action verbwhois 内
- LOWTool 'ssl_check' description lacks action verbssl_check 内
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"network-tools": {
"url": "https://ipv4.fr/mcp"
}
}
}リモートエンドポイント
https://ipv4.fr/mcpstreamable-httpできること
ツール一覧
ツール（9）
🟢dns_lookup(domain, types)
DNS records for a domain (A, AAAA, MX, TXT, NS by default; also CNAME, SOA).
入力スキーマ
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Domain name, e.g. example.com"
},
"types": {
"type": "array",
"items": {
"type": "string",
"enum": [
"A",
"AAAA",
"MX",
"TXT",
"CNAME",
"NS",
"SOA"
]
}
}
},
"required": [
"domain"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢whois(domain)
WHOIS registration data for a domain: registrar, creation and expiry dates, name servers.
入力スキーマ
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Domain name, e.g. example.com"
}
},
"required": [
"domain"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢ssl_check(host, port)
TLS certificate of a host: validity, issuer, expiry, days remaining, SAN.
入力スキーマ
{
"type": "object",
"properties": {
"host": {
"type": "string",
"description": "Hostname or public IP"
},
"port": {
"type": "integer",
"minimum": 1,
"maximum": 65535
}
},
"required": [
"host"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢ip_geolocation(ip)
Geolocation of an IP address: country, city, ISP, coordinates, timezone.
入力スキーマ
{
"type": "object",
"properties": {
"ip": {
"type": "string",
"description": "IPv4 or IPv6 address"
}
},
"required": [
"ip"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢email_validate(email)
Validate an email address: syntax, MX records, SMTP check, disposable and role-based detection.
入力スキーマ
{
"type": "object",
"properties": {
"email": {
"type": "string",
"maxLength": 254,
"description": "Email address"
}
},
"required": [
"email"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢ip_blacklist(ip)
Check an IPv4 address against 3 DNS blacklists (Barracuda, SpamCop, UCEPROTECT).
入力スキーマ
{
"type": "object",
"properties": {
"ip": {
"type": "string",
"description": "IPv4 address"
}
},
"required": [
"ip"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢http_headers(url)
HTTP response headers and status of a public URL (HEAD request, redirects followed and checked).
入力スキーマ
{
"type": "object",
"properties": {
"url": {
"type": "string",
"description": "URL or domain, e.g. https://example.com"
}
},
"required": [
"url"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢subnet_calc(cidr)
IPv4 subnet calculator from CIDR: network, broadcast, netmask, wildcard, host range, host count.
入力スキーマ
{
"type": "object",
"properties": {
"cidr": {
"type": "string",
"description": "CIDR notation, e.g. 192.168.1.0/24"
}
},
"required": [
"cidr"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢domain_audit(domain)
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 (0.05 USDC on Base).
入力スキーマ
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Domain name, e.g. example.com"
}
},
"required": [
"domain"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}コミュニティ
エビデンス