Discover / mailcheck.hugen.tokyo

mailcheck.hugen.tokyo

■ Challenge detected

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

x402
Base
Solana
USDC
email-validation

Listed price: $0.01
Challenge detected: 9 of the last 9 checks
Median response: 617 ms
Last checked: 16 Oct, 23:40 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://mailcheck.hugen.tokyo/mailcheck/mx
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

3 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://mailcheck.hugen.tokyo/mailcheck

GET/mx$0.01MX 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
POST/validate$0.016 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), and typo suggestion. Returns a 0-1 confidence score with detailed per-check results. POST method protects email addresses from access logs. No API keys, no multiple service integrations needed. Accepts USDC payments on Base and Solana
GET/disposable$0.01Instant disposable email detection — checks against 5,000+ known temporary email domains (Guerrilla Mail, Mailinator, Temp Mail, 10MinuteMail, and more). Returns boolean result. Maintaining this blocklist yourself requires weekly updates from multiple sources. Accepts USDC payments on Base and Solana

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 3 of 3 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/mailcheck.hugen.tokyo

Recent checks

3 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 23:40 UTC	Challenge detected	402	622ms
15 Oct, 19:10 UTC	Challenge detected	402	611ms
14 Oct, 14:31 UTC	Challenge detected	402	1275ms
12 Oct, 06:05 UTC	Challenge detected	402	597ms
10 Oct, 12:38 UTC	Challenge detected	402	613ms
9 Oct, 06:42 UTC	Challenge detected	402	617ms
8 Oct, 03:32 UTC	Challenge detected	402	769ms
7 Oct, 00:45 UTC	Challenge detected	402	588ms
3 Oct, 05:05 UTC	Challenge detected	402	660ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for mailcheck.hugen.tokyo?

Its listed price is $0.01.

What payment terms does mailcheck.hugen.tokyo advertise?

The listing advertises x402, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is mailcheck.hugen.tokyo listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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