Pricing

from $1.10 / 1,000 domain checkeds

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Domain WHOIS & DNS API

Try for free

Bulk domain lookup: WHOIS/RDAP registrar, creation and expiry dates, availability, DNS records (A, MX, NS, TXT, CAA), SPF/DMARC email security grade and SSL certificate expiry in one row per domain. No login. Export JSON/CSV or call via API/MCP.

Pricing

from $1.10 / 1,000 domain checkeds

Rating

0.0

(0)

Developer

Teddy Wasserman

Actor stats

Bookmarked

Total users

Monthly active users

2 days ago

Last modified

Categories

Developer tools

SEO tools

Lead generation

Domains or URLs

domains

Optional

Domains to check, one per line, e.g. "example.com", "shop.example.co.uk" or "https://www.example.com/page". URLs are reduced to their domain; duplicates are removed.

Type:array

Default:

[
  "apify.com",
  "klarna.se",
  "bbc.co.uk",
  "wikipedia.org",
  "zzq-unregistered-demo-domain-4821.com"
]

WHOIS / RDAP registration data

includeRegistration

Optional

Registrar, creation/expiry dates, status codes, DNSSEC and availability from the registry's official RDAP server.

Type:boolean

Default:true

DNS records and email security (SPF, DMARC)

includeDns

Optional

A, AAAA, MX, NS, TXT, CAA records plus parsed SPF, DMARC, MTA-STS and BIMI with an A-F email security grade.

Type:boolean

Default:true

SSL certificate

includeSsl

Optional

One TLS handshake on port 443: issuer, expiry date, days left, SAN list and whether the certificate validates.

Type:boolean

Default:true

Domain expiry warning (days)

expiryAlertDays

Optional

Flag DOMAIN_EXPIRES_SOON when the registration expires within this many days, e.g. 30.

Type:integer

Minimum:1

Maximum:365

Default:30

SSL expiry warning (days)

sslAlertDays

Optional

Flag SSL_EXPIRES_SOON when the certificate expires within this many days, e.g. 14.

Type:integer

Minimum:1

Maximum:365

Default:14

Only return domains with issues (monitoring mode)

onlyWithIssues

Optional

Return only domains with at least one issue of the chosen severity. Domains without issues are not returned and not charged. Ideal for a daily schedule with an email/Slack alert.

Type:boolean

Default:false

Minimum issue severity

minIssueSeverity

Optional

Used with monitoring mode: "error" (expired, invalid SSL...), "warning" (expiring soon, no DMARC...) or "info" (everything).

Type:string

Default:warning

Options:

errorwarninginfo

Max domains

maxResults

Optional

Maximum number of domains to check in this run (each returned domain is one billable result).

Type:integer

Minimum:1

Maximum:100000

Default:1000

Concurrency

concurrency

Optional

How many domains are checked in parallel. RDAP servers are additionally limited to 4 parallel requests each.

Type:integer

Minimum:1

Maximum:50

Default:10

TLS timeout (seconds)

timeoutSecs

Optional

Connection timeout for the SSL check.

Type:integer

Minimum:3

Maximum:30

Default:10

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