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Tool detail

DNS & WHOIS Lookup

Returns every major DNS record type plus full WHOIS registration data for up to 10 domains in one call.

Categories: Domains IP

Use when

  • pull all DNS records for a domain
  • get WHOIS registrar and nameserver info for several domains
  • build a spreadsheet of DNS and WHOIS data for a domain list

Not for

  • not for more than 10 domains per call
  • not for DMARC-specific policy detail, use the DMARC lookup tool

Inputs

POST JSON body: { domains: array[1-10] of domain-name or URL strings } (required)

Inputs undocumented: array without items

Endpoint

Method
POST
URL
https://dns-whois-lookup.underscoredone.com/lookup

Payment

Protocol
x402
Listed price
0.01 USDC per call on Base
Payment method
exact
Network
eip155:8453
Asset
0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Record
POST https://dns-whois-lookup.underscoredone.com/lookup
Retrieved
2026-09-30T20:37:07.382Z
Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built
2026-09-30T22:31:58.034Z