INDIVIDUAL MCP TOOL

domain_dns

A, AAAA, MX, NS, TXT and other records for a domain, with resolve timing.

how.isnone authenticationAvailability not checked

LIVE ENDPOINT

https://how.is/mcp

No auth detected

Connect to this endpoint to inspect the live schema for domain_dns and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.how-is]
url = "https://how.is/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "how-is": {
      "type": "http",
      "url": "https://how.is/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: how-is
Remote MCP URL: https://how.is/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "how-is": {
      "url": "https://how.is/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "how-is": {
      "type": "http",
      "url": "https://how.is/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "how-is",
  "transport": "streamable-http",
  "url": "https://how.is/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

domain_profile — Everything about a domain in one call: DNS, WHOIS, TLS, DNSSEC, email auth, security score, blacklist status, plus IP intelligence for its A record.
domain_trust — Should an agent click, sign in to, or pay this domain?
domain_whois — Registrar, creation and expiry dates, nameservers and status codes for a domain.
domain_age — How old a domain is: registration date, age in days and years, and whether it was registered in the last 30 days (a common phishing signal).
domain_available — Is this domain name registered?
domain_tls — Certificate validity, issuer, protocol and days until expiry for a domain.
domain_dnssec — Whether DNSSEC is signed and validates for a domain.
domain_email_auth — SPF, DKIM and DMARC records and posture for a domain.