mblock.cc

Observed Aug 11, 2026, 01:51 UTC (4d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of mblock.cc was taken 4d ago

mblock.cc is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting mblock.cc under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch mblock.cc Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Up right now
Runs onCloudflare
Secured byLet's Encrypt
Registered withGoDaddy.com, LLC
Also usesFeishu
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
EVIDENCE OF WILDCARD DNSobserved 2026-08-13 21:53 UTC

DomainDrift asked this domain for a TXT record at a name nobody registers, and got an answer back. A domain that answers a name that was never created is answering names in general, and that is wildcard DNS.

Wildcard DNS clusters around domain parking, dynamic DNS and catch-all hosting. It is also a real attack surface: if every invented hostname resolves, then a hostname an attacker invents resolves too, which is the ground state for subdomain takeover and for phishing hosted under a name that looks legitimate.

This is evidence of wildcard behaviour, not a proven fact. It rests on one control name: a domain could legitimately serve a TXT record at exactly that name for an unrelated reason, and a wildcard that answers address records but not TXT records would not be caught here at all. What this reading is and is not.

INFRASTRUCTURE MAPwhat mblock.cc actually stands on - every host below is a signed observation
mblock.cc
A / AAAA
23.227.38.74
Cloudflareserves the site
NS
gordon.ns.cloudflare.comphoenix.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx1.feishu.cnmx3.feishu.cnmx2.feishu.cn
feishu.cnreceives its email
TLS
mblock.cc
Let's Encryptissued its certificate

DNS Records

A 1

  • 23.227.38.74

MX 3

  • 1mx1.feishu.cn
  • 10mx3.feishu.cn
  • 5mx2.feishu.cn

TXT 4

  • 2334239utdc1l8741sce1tjv79
  • ggs6ukv05euu3rc6kdgrjjgaci
  • v=spf1 +include:_netblocks.m.feishu.cn -all
  • verification-code-site-App_feishu=88kv1y7x0epvHVh3ifbC

NS 2

  • gordon.ns.cloudflare.com
  • phoenix.ns.cloudflare.com

SOA 1

  • gordon.ns.cloudflare.com dns.cloudflare.com

MCP_RECORDS 1

  • 2334239utdc1l8741sce1tjv79

DMARC_RECORDS 1

  • 2334239utdc1l8741sce1tjv79

BIMI_RECORDS 1

  • 2334239utdc1l8741sce1tjv79

MTA_STS_RECORDS 1

  • 2334239utdc1l8741sce1tjv79

TLS Certificates (4)

Common NameIssuerExpires
mblock.cc C=US, O=Let's Encrypt, CN=YE2 Mon, 02 Nov 2026 15:20:01 +0000
YE2 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_3685b60560a523f1
Output Hash
961182faba960de336fe426dbf400a14dd00a7a1e5758f2d9737ebf9c2fb9e67
Signature
ed25519:b03d7acf854c789de7ac67554cf23103a47d1f0cef8f8f6b1afda4e8309cba46cae7c89ec8df7c74d9ed778f6fe5c1715dccc5537473de3934439745db038d03
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT43,253 material changesacross 41,549 domains · 24h to ~2h ago · -829 vs yesterdayROTATION58 domains moved DNS from magpiedns.com to koaladns.com, 56 moved backa rotation loop, not a migration · 24hNOW496 curated domains not reachablelast probe, steadySITE ERRORS36,547 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,493 sites429 rate-limit / 403 bot-block, a posture signal