pro.runstack/checks

up checked 2026-11-10T21:37:46.940Z

Unclaimed · Unverified

Publisher-provided title

RunStack Checks

Publisher-provided description

External checks of TLS, HTTP, email domain, DNS, ports, blocklists and domain expiry

Summary by lookupd

Runs external checks on domains, IPs, ports, TLS, HTTP, DNS, email auth and blocklists, and reports results for diagnosis.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http checks https://runstack.pro/api/mcp

Codex, remote (streamable-http)

codex mcp add checks --url https://runstack.pro/api/mcp

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

{
  "mcpServers": {
    "checks": {
      "url": "https://runstack.pro/api/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

check_tls Scan a public host's TLS from the internet: certificate validity, chain completeness, expiry date, hostname match, enabled protocols (TLS 1.0–1.3), cipher suite
check_http Request a public URL from outside your network and inspect the HTTP layer: status code, full redirect chain, security headers (HSTS, CSP, X-Frame-Options, X-Con
check_email_domain Audit a mail domain as other mail servers see it: MX, SPF (including the 10-DNS-lookup limit), DKIM, DMARC policy, PTR / forward-confirmed reverse DNS, SMTP STA
check_dns Resolve a name at several public resolvers (Google, Cloudflare, Quad9, …) and compare their answers. Use after changing DNS records to check propagation, or whe
check_port Check from the internet whether TCP ports of a public host are open, closed or filtered. Use to verify firewall / security group rules, or to find out why a ser
check_ip Look up an IP address or ASN: owner organization, announced prefix, PTR (reverse DNS), RPKI validity and geolocation. Use to identify who is behind an address s
check_dnsbl Check whether an IP address or a domain is on email blocklists (DNSBL/RBL): Spamhaus ZEN and DBL, SpamCop, Barracuda, UCEPROTECT, Mailspike, SURBL, URIBL and ot
check_domain_expiry Look up a domain's registration in the registry (RDAP, or WHOIS for .ru/.su/.рф): expiry date and days left, registrar, creation date, EPP status codes (clientH

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/pro.runstack/checks.svg)](https://lookupd.com/servers/pro.runstack/checks)