how.is domain & IP intelligence

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Pay-per-call DNS, WHOIS, domain age, TLS, email auth, blocklists, IP intel. Free samples.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "how.is domain & IP intelligence": {
      "url": "https://how.is/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (16)

• domain_profile read-only

  Everything about a domain in one call: DNS, WHOIS, TLS, DNSSEC, email auth, security score, blacklist status, plus IP intelligence for its A record. Price $0.025 per call. Free sample: {"domain": "example.com"}. Returns: data.sections.{dns,whois,tls,dnssec,email-auth,security-score,blacklist,ip}; data.errors names any section that failed; data.billing says what was delivered.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_trust read-only

  Should an agent click, sign in to, or pay this domain? A risk score and verdict (likely_safe / caution / high_risk, or inconclusive when a check could not run) with plain-English reasons, from domain age, spam/abuse blocklists and the HTTPS certificate. Price $0.020 per call. Free sample: {"domain": "example.com"}. Returns: data: verdict, risk_score (0-100), reasons[{risk, why}], age_days, blocklist_listings, blocklists_unanswered[], https_valid, not_checked[].

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_dns read-only

  A, AAAA, MX, NS, TXT and other records for a domain, with resolve timing. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data.records keyed by record type (A, AAAA, MX, NS, TXT, ...); data.data.responseTime.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_whois read-only

  Registrar, creation and expiry dates, nameservers and status codes for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data.data: the parsed WHOIS/RDAP record (registrar, dates, nameservers, status).

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_age read-only

  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). Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data: created, age_days, age_years, newly_registered, expires, registrar, source.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_available read-only

  Is this domain name registered? Asked of the registry over RDAP, with the standard first-year and renewal price when it is free to register. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data: available (true/false; null when only DNS could be checked, then likely_available), registered_on, suffix, source (rdap/dns), confidence, price{registration_usd, renewal_usd, registrar, note}, caveat.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_tls read-only

  Certificate validity, issuer, protocol and days until expiry for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: valid, issuer, subject, subjectAltNames, validFrom, validTo, daysUntilExpiry, protocol, cipher, selfSigned.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_dnssec read-only

  Whether DNSSEC is signed and validates for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: isSigned, isValid, validationStatus, chainOfTrust, dsRecords, dnskeyRecords, errors, warnings, recommendations.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_email_auth read-only

  SPF, DKIM and DMARC records and posture for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: spf, dkim, dmarc, mx, overallScore, overallStatus, recommendations.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_security_score read-only

  A letter grade and point score for a domain security posture, with the scored items behind it. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: grade, overallScore, maxPossibleScore, categories[] of scored items.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• domain_blacklist read-only

  Whether the addresses behind a domain appear on spam and abuse blocklists. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data.ipResults[]: target, isListed, listingCount, totalChecked.

  Parameters:

  • domain (required) — string — A bare domain name, e.g. example.com

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• ip_lookup read-only

  Network owner (ASN), company, geolocation, privacy flags and abuse contact for an IP address. Price $0.005 per call. Free sample: {"ip": "1.1.1.1"}. Returns: data.data: ip, hostname, city, region, country, asn, company, privacy, carrier, abuse.

  Parameters:

  • ip (required) — string — An IPv4 or IPv6 address

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• site_status read-only

  Live check of one or more URLs: HTTP status, latency, DNS resolve time, resolved IP, TTL, nameservers, TLS days remaining. Price $0.005 per call. Free sample: {"sites": ["https://example.com"]}. Returns: data keyed by URL; each entry has ok, code, ms, dns_ms, ip, ttl, ns, cert_days, server, ts.

  Parameters:

  • sites — array — Up to 10 http(s):// URLs

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• site_screenshot read-only

  See a web page: a 1280-wide JPEG of any public URL, viewport or full page (capped at 6000 px), with its final URL, HTTP status and title. Price $0.020 per call. Free sample: {"url": "https://example.com"}. Returns: data: image_base64 (JPEG), mime, width, height, final_url, http_status, title, note.

  Parameters:

  • url (required) — string — A public http(s) URL
  • full_page — boolean — Capture the whole page, not just the first screen

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• page_watch

  Has this page changed since your last call, and how much? The first call stores a baseline; later calls return a text diff (2% threshold). Price $0.005 per call. Free sample: {"url": "https://example.com"}. Returns: data with baseline, changed, change_pct, added, removed, last_change_ts.

  Parameters:

  • url (required) — string — An http(s):// URL on the public internet

  Hints: read-only no · destructive no · idempotent no · open-world yes

• bot_observatory read-only

  Partner tier of the dns.pizza bot observatory: every network (ASN), named crawler, TLS (JA4) fingerprint and firewall rule seen in the last 7 days, refreshed hourly. The public tier is free at https://dns.pizza/bots. Price $0.050 per call. Returns: data.data: generated_at, networks, bots, fingerprints (the free tier at dns.pizza/bots shows the same shape without fingerprints).

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

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