mailcheck.hugen.tokyo/mailcheck/mx

mailcheck.hugen.tokyo · x402

MX record lookup for any domain — returns whether mail servers exist and their hostnames sorted by priority. Verify email deliverability before sending. Supports all TLDs including ccTLDs and new gTLDs. No DNS library setup needed. Accepts USDC payments on Base and Solana

Name and description as published by x402 Bazaar

Live

Last successful check: 27 Oct 2026, 11:36 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

2 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Evidence

1 of 4 shown

Answers when askedShown
Answered a check within the last hour.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 1 days; 30 are needed.
Independent paying walletsNot shown
2 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed.
Tool scanDoes not apply
Not an MCP server.

Decided 27 Oct 2026, 11:37 UTC by method 2026.10.2, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://mailcheck.hugen.tokyo/mailcheck/mx

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 27 Oct, 21:48 UTC
Wallets named: 0x29322ea7ecb34aa6164cb2ddeb9ce650902e4f60named by x402 Bazaar
Proven to belong to it: Nothing yet. Is it yours?
Listed since: 25 Oct 2026, 17:57 UTC

Payments

different wallets paid it, last 30 days: 2
paid calls, last 30 days: 2
last paid call (UTC): 8 Oct, 05:40

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 27 Oct 2026, 21:48 UTC. addrbook has not counted these payments itself.

How it asks to be paid

Network	Price	Paid in	Settled by	Pays to
Base	$0.01	USDC	Per request	0x29322ea7ecb34aa6164cb2ddeb9ce650902e4f60
Solana	$0.01	USDC	Per request	4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z

From its own 402 answer at 27 Oct, 11:36 UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
mailcheck.hugen.tokyo	x402	Live	27 Oct, 11:36	27 Oct, 11:36	100%	100%	—

History

27 Oct 2026, 11:36 UTCPayment terms first read: 2 options, from $0.01 on Base.https://mailcheck.hugen.tokyo/mailcheck/mx#456887
27 Oct 2026, 11:36 UTCFirst recorded as answering.https://mailcheck.hugen.tokyo/mailcheck/mx#456885
26 Oct 2026, 14:38 UTCListed by the x402 Bazaar. The listing names wallet 0x29322ea7ecb34aa6164cb2ddeb9ce650902e4f60. (already true when recording began)the x402 Bazaar#77292

Its whole history →

Also listed as

Other entries that share an endpoint with this one.

mailcheck.hugen.tokyo

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/mailcheck-hugen-tokyo-mailcheck-mx-363699c8/badge.svg)](https://addrbook.com/agents/mailcheck-hugen-tokyo-mailcheck-mx-363699c8)