Custom domains API for SaaS: connect, verify, and manage customer domains, SSL, and DNS
Connect Remote server
claude mcp add --transport http domainee https://mcp.domainee.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"domainee": {
"url": "https://mcp.domainee.dev/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"domainee": {
"type": "http",
"url": "https://mcp.domainee.dev/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.domainee.dev/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 18 found in our last check
tools_ssl_checkFree public API. Check the TLS certificate of any public hostname. Returns issuer, subject, validity dates, days until expiry, full chain, cipher, protocol, and SAN list. No Bearer required.
tools_dns_provider_lookupFree public API. Identify which DNS provider actually serves a domain, fingerprinted from its public NS records. Returns the record name written the way that provider's form expects it (providers disagree about whether the apex is '@', blank, or the full domain, and getting it w…
tools_domain_connect_checkerFree public API. Check whether a domain's DNS provider implements the Domain Connect protocol, read live from the _domainconnect TXT record and the provider's settings endpoint. Reports the provider and whether it offers the synchronous flow (a signed redirect with no token exch…
tools_dns_record_lookupFree public API. Look up DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA) for any domain.
tools_whois_lookupFree public API. WHOIS / RDAP lookup for a domain — registrar, status, created/updated/expires dates, nameservers.
tools_cname_lookupFree public API. Resolve a hostname's CNAME chain. Useful for debugging custom-domain CNAME setups.
tools_http_header_checkerFree public API. Fetch a URL and return its response headers + security grade based on common security headers.
tools_dns_propagation_checkerFree public API. Query the same hostname across ~10 public DNS resolvers worldwide and report which ones return the same answer. Useful right after a DNS change.
tools_redirect_checkerFree public API. Follow a URL's redirect chain and return every hop with status code, response time, final destination.
tools_spf_record_checkerFree public API. Look up and validate the SPF record for a domain. Counts void/total DNS lookups, flags syntax issues, validates against RFC 7208's 10-lookup limit.
tools_domain_age_checkerFree public API. Returns a domain's registration date, age in days + years, last-updated date, and expiration.
tools_subdomain_finderFree public API. Enumerate subdomains for a target domain via Certificate Transparency logs + DNS resolution.
tools_reverse_ip_lookupFree public API. Reverse-DNS (PTR) lookup for an IP address. Returns one or more hostnames if configured.
tools_dmarc_record_checkerFree public API. Look up the DMARC record at _dmarc.<domain>, parse policy/alignment/reporting tags, flag missing or too-permissive settings.
tools_txt_record_lookupFree public API. Fetch all TXT records on a domain, classifying each as SPF, DKIM, DMARC, BIMI, verification token, or general.
tools_website_status_checkerFree public API. Check if a website is up or down. Returns HTTP status, response time, final URL after redirects, basic SSL info.
tools_dkim_record_checkerFree public API. Look up the DKIM record at <selector>._domainkey.<domain>, parse the public key, flag issues.
tools_domain_availability_checkerFree public API. Check availability of a name across one or more TLDs. Pass a `name` (no TLD) and an optional `tlds` array.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional. Bearer token using a Domainee API key, e.g. `Bearer sk_live_...`. Without it the 18 free diagnostic tools still work and tools/list enumerates them; with it you also get the 12 workspace tools. Create one at https://domainee.dev/developers |
Details
| Endpoint | https://mcp.domainee.dev/mcp (Streamable HTTP) |
| First published | 10 Sep 2026 |
| Last updated | 10 Sep 2026 |
| Registry name | dev.domainee/domainee |
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