CONTINUOUS INTERNET TELEMETRY24H DRIFT3,027 material changesacross 2,713 domains · -371 vs yesterdayDNS DRIFT23 domains changed DNS providertop destination cloudflare.com · -4 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,312 curated domains not answering-6,406 vs yesterdayERRORS10,953 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,027 material changesacross 2,713 domains · -371 vs yesterdayDNS DRIFT23 domains changed DNS providertop destination cloudflare.com · -4 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,312 curated domains not answering-6,406 vs yesterdayERRORS10,953 responded with an errorlast probe · 5xx / 404 / 429 / 403

mmc.com

Observed 2026-07-12T18:44:46.112Z (18h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byProofpoint
Registered withMarkMonitor Inc.
Also usesGoogle Search ConsoleDocuSignAtlassian
DNSSEC on · manufacturing
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mmc.com actually stands on - every host below is a signed observation
mmc.com
A / AAAA
99.83.175.3775.2.75.65
Cloudflareserves the site
NS
ns01.mmc.comns04.mmc.comns03.mmc.comns05.mmc.com
mmc.comanswers its DNS
MX
mxb-001b7601.gslb.pphosted.commxa-001b7601.gslb.pphosted.com
Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.mmc.com:443/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time318 ms
DNS resolutionNOERROR
Redirect chain
https://www.mmc.com:443/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

  • 99.83.175.37
  • 75.2.75.65

MX 2

  • 5mxb-001b7601.gslb.pphosted.com
  • 5mxa-001b7601.gslb.pphosted.com

TXT 70

  • smartsheet-site-validation=sRIUY9mUIAZZfjFtd_k7xLsD2ROKnzNs
  • cisco-ci-domain-verification=1c61f17896d3c0398de467572a9687353c5b1ab0ab2ada6c0c3a656106bbec58
  • amazonses:h9HTefVvCwyIVa82R7qTZfuFSH4ttA94jPhWS0wNGSk=
  • anthropic-domain-verification-kzq9dk=Ukd2pTfEb7bZ61vCHxH2xYVJO
  • d365mktkey=jx6Q1XJxgXFuNd1gWpZFbv9SVKEjXi3jfJWNUXaGefox
  • amazonses:ZVSNc5jqMmLI5EhegKHfPDH5NLIwS+uYSmxZoFd/QhI=
  • amazonses:pcfKDJeQEGnHbQqawUmRrmEOTrHl7Z0jP5JIbnXs3WI=
  • 1m5irSDCBsuSKP3bkSXF1T/7flvB+gtnhsZP2uHdwIuhstAwXZ2sc6TxANPc7FxzkENA5VqUREPs9IYgOvVa4w==
  • amazonses:qC/QkYw8RT8GhONwHX8iop8VxzRStJE4D1cC4QgFikk=
  • google-site-verification=zhgXJAUQtR9ejzsd9_PO9nhbC2TuGSIe-R3ljDk5Yto

NS 4

  • ns01.mmc.com
  • ns04.mmc.com
  • ns03.mmc.com
  • ns05.mmc.com

SOA 1

  • usash15-02dns01.mrshmc.com internet.services.marsh.com

TLS Certificates (0)

None.

Subdomains (13)

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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for mmc.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for mmc.com <a href="https://domaindrift.io/t/mmc.com"> <img src="https://domaindrift.io/badge/mmc.com.svg" width="300" height="64" alt="DomainDrift signed observations for mmc.com"> </a>

Ed25519 Receipt

Receipt ID
6761c58d-8eda-4435-81f9-afefb03c227b
Output Hash
f908650f36e5648ba01451298aba5e42e21473deff3fca0cc9344d3e5e0e55da
Signature
ed25519:9d3ebf9d454d2100c676a334e621447e370e8fbdfd1adaf0406c4fb923780f5e185df20d9aa2d801b57b7f0785665ab61d6d5d78070bb4ac2d66b906afb1b90c
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser