Pricing

from $2.25 / 1,000 domain looked ups

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Bulk Domain Expiry & WHOIS Checker – RDAP Registrar, Dates

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Check hundreds of domains in one run: registrar, creation and expiry dates, days to expiry with an alert level, registry status codes, nameservers and DNSSEC. Official registry RDAP data, no API keys or proxies. Failed lookups are free.

Pricing

from $2.25 / 1,000 domain looked ups

Rating

0.0

(0)

Developer

Kestrelwick Studios

Actor stats

Bookmarked

Total users

Monthly active users

13 days ago

Last modified

Categories

Domains

domains

Required

One domain per entry: example.com, a full URL (https://www.example.co.uk/page) or even an e-mail address. We reduce each entry to its registrable domain, so www.shop.example.com becomes example.com. You can also paste a whole column; entries are split on new lines, commas and semicolons. Duplicates are removed and only charged once.

Type:array

Default:

[
  "google.com",
  "wikipedia.org",
  "https://www.bbc.co.uk/news",
  "github.io",
  "python.org",
  "lemonde.fr",
  "nic.us",
  "this-domain-is-not-registered-kw2026.com",
  "not a domain"
]

Warning threshold (days)

warningDays

Optional

Domains expiring within this many days get alert = warning.

Type:integer

Minimum:0

Maximum:3650

Default:90

Critical threshold (days)

criticalDays

Optional

Domains expiring within this many days get alert = critical. Already expired domains, or domains in redemption or pending delete, get alert = expired.

Type:integer

Minimum:0

Maximum:3650

Default:30

Parallel lookups

concurrency

Optional

How many domains we look up at the same time in total.

Type:integer

Minimum:1

Maximum:50

Default:10

Parallel lookups per registry

perRegistryConcurrency

Optional

Cap on simultaneous requests to any single registry, so large lists stay within registry rate limits. Lower it if you see many HTTP 429 errors.

Type:integer

Minimum:1

Maximum:10

Default:3

Timeout per lookup (seconds)

timeoutSecs

Optional

How long we wait for a registry to answer before retrying. Failed lookups are free.

Type:integer

Minimum:3

Maximum:120

Default:15

Max domains

maxItems

Optional

Cap on unique domains looked up per run, to control spend.

Type:integer

Minimum:1

Default:10000

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