Pricing

$2.00 / 1,000 domain checkeds

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Bulk Domain WHOIS & Expiry Checker (RDAP)

Try for free

Bulk WHOIS lookup for thousands of domains via official RDAP: registrar, creation and expiry dates, days until expiry, domain age, status, nameservers, DNSSEC and availability. Find expiring and available domains.

Pricing

$2.00 / 1,000 domain checkeds

Rating

0.0

(0)

Developer

Ergin Bekar

Actor stats

Bookmarked

Total users

Monthly active users

8 hours ago

Last modified

Use cases

Domain investors: find domains that expire soon and check availability in bulk.
Brand protection: monitor your portfolio and typo-squats, and get alerts before renewals lapse.
Lead generation & sales: filter prospects by domain age (new businesses vs. established) and hosting/DNS provider.
Security & fraud teams: flag newly registered domains in sign-ups, emails and links.
SEO: domain age and registrar for link-building research.

Input

{
  "domains": ["stripe.com", "openai.com", "my-startup-idea.com"],
  "expiringWithinDays": 0,
  "onlyAvailable": false
}

Output

{
  "domain": "stripe.com",
  "registered": true,
  "available": false,
  "registrar": "SafeNames Ltd.",
  "createdAt": "1995-09-12T04:00:00Z",
  "updatedAt": "2025-10-01T01:39:51Z",
  "expiresAt": "2027-09-11T04:00:00Z",
  "daysUntilExpiry": 316,
  "ageYears": 31.1,
  "status": ["client transfer prohibited", "server delete prohibited"],
  "transferLocked": true,
  "nameservers": ["ns-1087.awsdns-07.org", "ns-423.awsdns-52.com"],
  "dnssec": false,
  "checkedAt": "2026-10-30T10:00:00.000Z"
}

Notes

"Available" means the registry has no record. Premium or reserved names can still be unavailable at the registrar.
A few country-code TLDs don't offer public RDAP yet. Those lookups return an error field and are not charged.
Pricing: pay per domain successfully checked.

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