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
99.83.175.3775.2.75.65
MX 2
5mxb-001b7601.gslb.pphosted.com5mxa-001b7601.gslb.pphosted.com
TXT 70
smartsheet-site-validation=sRIUY9mUIAZZfjFtd_k7xLsD2ROKnzNscisco-ci-domain-verification=1c61f17896d3c0398de467572a9687353c5b1ab0ab2ada6c0c3a656106bbec58amazonses:h9HTefVvCwyIVa82R7qTZfuFSH4ttA94jPhWS0wNGSk=anthropic-domain-verification-kzq9dk=Ukd2pTfEb7bZ61vCHxH2xYVJOd365mktkey=jx6Q1XJxgXFuNd1gWpZFbv9SVKEjXi3jfJWNUXaGefoxamazonses:ZVSNc5jqMmLI5EhegKHfPDH5NLIwS+uYSmxZoFd/QhI=amazonses:pcfKDJeQEGnHbQqawUmRrmEOTrHl7Z0jP5JIbnXs3WI=1m5irSDCBsuSKP3bkSXF1T/7flvB+gtnhsZP2uHdwIuhstAwXZ2sc6TxANPc7FxzkENA5VqUREPs9IYgOvVa4w==amazonses:qC/QkYw8RT8GhONwHX8iop8VxzRStJE4D1cC4QgFikk=google-site-verification=zhgXJAUQtR9ejzsd9_PO9nhbC2TuGSIe-R3ljDk5Yto
NS 4
ns01.mmc.comns04.mmc.comns03.mmc.comns05.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 receiptEd25519 Receipt
- Receipt ID
6761c58d-8eda-4435-81f9-afefb03c227b- Output Hash
f908650f36e5648ba01451298aba5e42e21473deff3fca0cc9344d3e5e0e55da- Signature
ed25519:9d3ebf9d454d2100c676a334e621447e370e8fbdfd1adaf0406c4fb923780f5e185df20d9aa2d801b57b7f0785665ab61d6d5d78070bb4ac2d66b906afb1b90c- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast