whois.com scrapers compared

One delivered row: a domain's traffic analytics, or its WHOIS and keyword density. Domains SimilarWeb does not track, typos, and homepages that refuse the fetch are delivered with a reason and are NOT charged. Repeat lookups in the same month come from cache at the same price.

Event description unavailable.

• Actor run started (enrichment-start)
• Domain lookup completed (enrichment-result)

Event description unavailable.

Charged for each domain checked

• Start (start)

Charged once per domain successfully looked up (valid WHOIS data returned).

• Run started (run-started)

Charged per domain with WHOIS query

• Batch Scan (batch-scan)
• Wayback Check (wayback-check)

Charged per WHOIS domain registration record retrieved.

Charged per domain WHOIS lookup

• Run started (start)

One domain looked up (WHOIS/RDAP, DNS and optionally SSL). Domains that return no data are not charged.

Charged once per unique normalized domain checked.

• Actor start (actor_start)

WHOIS record fetched and parsed for one domain.

One successfully inspected domain.

One WHOIS domain lookup

Charged per domain checked.

One domain row: RDAP registration status, registrar, expiry, statuses, nameservers, DNSSEC, plus DNS records and inferred mail provider/SPF/DMARC when DNS lookups are on

• TLS check (tls-check)

Charged per domain RDAP/WHOIS lookup returned.

One domain whose registration status a registry answered definitively, either a full record or a confirmed availability. DNS records and SSL certificate details are included. Rows where no registry answered are free.

One domain analyzed with all selected checks (tech stack, WHOIS, DNS, SSL, HTTP). Domains that return no data are not charged.

Charged once per distinct normalized domain that receives either a complete SUCCESS observation or an authoritative NOT_FOUND result. Duplicate aliases, retries, invalid inputs, PARTIAL, FAILED, RATE_LIMITED and UNSUPPORTED_TLD results are never charged.

One domain row (registered or not registered). Invalid, unsupported, excluded (.de) and failed lookups are never charged.

One domain looked up in RDAP (and DNS)

Registration data and/or DNS records read for one domain (failed lookups and invalid lines are free).

One domain looked up via RDAP (registrar, dates, status, nameservers).

Each domain row is saved (Actor.pushData(item, 'domain')), whatever checks were selected

Each domain row where at least one of WHOIS (RDAP), DNS or SSL returned facts

Charged for each domain written to your dataset, after it is saved.

• Run started (actor-start)

One record returned by the run after your filters

One domain checked and delivered. Inputs that are not domain names are not charged.

Domain looked up

• Domain registration changed (monitor) (domain-changed)

One domain checked: registration data (RDAP/WHOIS), DNS, mail provider, SPF/DMARC and SSL. Not charged for invalid inputs or when every check failed.

Charged once per valid domain for which at least one lookup section returned an answer, including a confirmed non-existent domain. Malformed input and fully failed domains are never charged.

Registry data for one domain: registrar, dates, statuses, nameservers, DNSSEC. Domains where no registry answered, domains dropped by a filter and domains unchanged in changes-only mode are never charged. No start fee.

• DNS lookup (dns)
• Subdomain lookup (subdomains)

One domain looked up: WHOIS registration data, owner organization and/or DNS records. Invalid or completely failed domains are not charged.

Registry data for one domain: registrar, dates, statuses, nameservers, DNSSEC. Domains where no registry answered, domains dropped by a filter and domains unchanged in changes-only mode are never charged. No start fee.

One answered domain: registered with its WHOIS/RDAP record, or confirmed available. Domains whose registry has no RDAP service or that error out are not charged.

Event description unavailable.

One per domain with a WHOIS/RDAP result (registered or available). Failed lookups are free.

One domain with registration (RDAP) and/or DNS data returned. Invalid or empty results are free.

Charged once for each current DNS profile (A, AAAA, MX, NS, SOA and TXT records with first seen dates and shared host counts), current WHOIS record or IP WHOIS record read through your own SecurityTrails API key. Targets the provider refuses or has no data for are never charged.

• List record returned (list-record)

Domain checked (RDAP and/or DNS data returned)

One domain the registry gave an authoritative answer for: a record, or a confirmation that the name is not registered. A domain whose registry runs no RDAP server, refuses, rate-limits or cannot be reached is not charged, and neither is a value that is not a domain.

• File export (file-export)
• Webhook delivery (webhook-delivery)

One domain looked up: registry RDAP data and DNS records, email provider, SPF and DMARC. Invalid entries, duplicates and domains where no source answered are not charged.

One domain looked up

One registered domain whose WHOIS data (registration and expiry dates, registrar, nameservers, DNSSEC) was read over RDAP. Available (unregistered) domains, TLDs without RDAP and failed lookups are free.

One domain checked and delivered, including partial results.

Charged per domain checked pushed to the dataset. Error rows are free.