Tool detail
mx
Looks up MX records for a domain to check whether mail servers exist and their priority order.
Categories: Contact enrichment, Domains IP
Use when
- verify a domain has working mail servers before sending email
- list a domain's MX hostnames by priority
Not for
- not a full deliverability/spam check — MX presence only
Inputs
inputs undocumented
Inputs undocumented: the listing has no input schema
Endpoint
- Method
GET- URL
https://mailcheck.hugen.tokyo/mailcheck/mx
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
- Directory
- Coinbase x402 Bazaar
- Record
- GET https://mailcheck.hugen.tokyo/mailcheck/mx
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z