marcus.com

Observed 2026-07-13T09:50:01.521Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Email byProofpoint

Registered withCSC Corporate Domains, Inc.

4 subdomains · tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat marcus.com actually stands on - every host below is a signed observation

marcus.com

A / AAAA

204.74.99.100

Cloudflareserves the site

ns1.goldmansachs.infons4.gs.comns2.gs.comns7.gs.com+6 more

goldmansachs.info + gs.com + moreanswers its DNS

mxa-0014b501.gslb.pphosted.commxb-0014b501.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

server_error Server error (5xx) 521 Server Error

HTTP status521

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time29 ms

DNS resolutionNOERROR

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

DNS Records

A 1

204.74.99.100

MX 2

10mxa-0014b501.gslb.pphosted.com
10mxb-0014b501.gslb.pphosted.com

TXT 7

_hpc9vaetclgm69exc4uoajpknlk6zzg
_erx27k0hoirxqhcc91sznqhxubwx6j9
v=spf1 a mx include:_spf.gs.com ~all
_9f5z3van7v53xqswe4d15yt06qc4qwj
_enesod4clkrtgdfavphr1q34czi9n4g
MS=ms24615118
v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:gs-dmarc-marcus-aggregate@marcus.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:gs-dmarc-marcus-forensic@marcus.com; fo=1

NS 10

ns1.goldmansachs.info
ns4.gs.com
ns2.gs.com
ns7.gs.com
ns1.gs.com
ns1.goldmansachs.biz
ns5.gs.com
ns6.gs.com
ns3.gs.com
ns1.gs360.net

SOA 1

ns1.gs.com gs-domainreg.ny.email.gs.com

TLS Certificates (0)

None.

Subdomains (4)

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 marcus.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: d0d1b425-dd94-4926-8adf-d3266bdbfd36
Output Hash: 8f68e71bd273f8b5cc9e6e53b3e1d61803bb93a7522ae2160c8303136c57d873
Signature: ed25519:77d396cb69fcc598437bead29c308ae524d31002e179b470bc2b9d4c49bcf1dd91c96e342ed78cabf0b94724c22ca55559cde6760a7afc5326de508173170d09
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/marcus.com