Free Domain Age Calculator

// No SDK, no API key: it is a plain POST.
const res = await fetch(
  "https://reloop.sh/api/tools/v1/domain-age",
  {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ domain: "stripe.com" }),
  },
);

const result = await res.json();

{
  "domain": "stripe.com",
  "registrableDomain": "stripe.com",
  "resolvedAt": "2026-10-12T17:46:45.966Z",
  "responseTimeMs": 211,
  "verdict": "mature",
  "headline": "This domain is 31 years, 1 month old",
  "summary": "Registered 31 years, 1 month ago (11,353 days). Domain age is completely mature and will not impact email deliverability.",
  "disclaimer": "Gmail and Outlook do not publish an exact age threshold. This evaluation provides Reloop’s sending guidance based on newly registered domain filters.",
  "age": {
    "createdAt": "1995-09-12T04:00:00.000Z",
    "ageDays": 11353,
    "expiresAt": "2027-09-11T04:00:00.000Z",
    "updatedAt": "2025-10-01T01:39:51.000Z",
    "source": "rdap"
  },
  "registry": {
    "registrar": "SafeNames Ltd.",
    "status": ["client delete prohibited", "client transfer prohibited", "client update prohibited", "server delete prohibited", "server transfer prohibited", "server update prohibited"],
    "tld": "com"
  },
  "nameservers": {
    "hosts": ["ns-705.awsdns-24.net", "ns-1087.awsdns-07.org", "ns-1882.awsdns-43.co.uk", "ns-423.awsdns-52.com"],
    "provider": "AWS Route 53",
    "kind": "production"
  },
  "emailSetup": {
    "spf": true,
    "dmarc": true,
    "dmarcPolicy": "reject",
    "mx": true
  },
  "nextStep": {
    "title": "Send high-volume email with Reloop",
    "body": "Scale your transactional and marketing emails with Reloop's developer API and SMTP infrastructure.",
    "href": "/dashboard/signup"
  },
  "warnings": []
}