x402 Domain Lookup & DNS Email Auth
dev.
Domain lookup (DNS records + RDAP registrar/age/expiry), bulk, and SPF/DKIM/DMARC audit via x402.
Filed under Companies, domains & people data by addrbook, from the words in its listing
Degraded
Last successful check: 12 Nov 2026, 22:06 UTC. The latest check failed. Last checked 12 Nov 2026, 22:06 UTC.
- answered, last 24 hours
- 75%
- answered, last 30 days
- 77.8%
At x402-dns-auth-checker.microtools-x402.workers.dev, its best endpoint.
How addrbook checks →Evidence
2 of 4 shown
Answers when askedShown
Answered a check 8 hours ago.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 18 days; 30 are needed.
Independent paying walletsDoes not apply
It does not sell over x402.
Tool scanShown
None of the patterns addrbook looks for (hidden instructions, invisible characters) appeared in the 4 tools this server showed it.
Decided by method 2026.11.4, from its recorded evidence. A check that does not apply is left out of the count.
Connect
https:MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.
Who's behind it
- Listed by
- MCP Registrydev.
workers. microtools- x402. x402- dns- auth- checker/ dns- auth- checkerlast seen UTC
- MCP Registrydev.
- Wallets named
- None in its listings
- Proven to belong to it
- x402-dns-auth-checker.microtools-x402.workers.devthe MCP Registry checked its publisher's namespace, ; none of its endpoints is served from it
- Listed since
Payments
It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| x402- | MCP | Degraded | 75% | 77.8% | 4changed 5 Nov 2026 | ||
| x402- | Website | Live | 100% | 100% | — |
Tool scan
addrbook read the descriptions of 4 tools at x402-dns-auth-checker.microtools-x402.workers.dev on and found nothing to flag. It reads what the tools say about themselves; it never calls one. The recorded scan
History
- Changed from answering to failing, after answering in the last 24 hours.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#5118612
- Changed from failing, after answering in the last 24 hours to answering.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#5094046
- Changed from answering to failing, after answering in the last 24 hours.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#4919183
- Changed from not answering to answering.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#4890570
- Changed from answering to not answering.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#4163342
- Tool scan: none of the patterns checked appeared in what the server showed.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#3350450
- Tools added: domain_lookup, domain_lookup_bulk.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#3350449
- Changed from not answering to answering.https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp#3350448
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.
[](https://addrbook.com/agents/x402-dns-email-auth-checker-25a9ca3f)