CONTINUOUS INTERNET TELEMETRY24H DRIFT3,023 material changesacross 2,706 domains · -375 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 DRIFT7 domains switched issuing CA24hNOW3,311 curated domains not answering-6,407 vs yesterdayERRORS10,955 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,023 material changesacross 2,706 domains · -375 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 DRIFT7 domains switched issuing CA24hNOW3,311 curated domains not answering-6,407 vs yesterdayERRORS10,955 responded with an errorlast probe · 5xx / 404 / 429 / 403

cloudmark.com

Observed 2026-07-13T02:02:47.278Z (10h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byProofpoint
Also usesGoogle Search Console
7 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat cloudmark.com actually stands on - every host below is a signed observation
cloudmark.com
A / AAAA
45.60.171.20745.60.151.207
Cloudflareserves the site
NS
ns3.proofpoint.compdns99.ultradns.netpdns99.ultradns.bizns1.proofpoint.com+2 more
proofpoint.com + ultradns.net + moreanswers its DNS
MX
mxa-00148501.gslb.pphosted.commxb-00148501.gslb.pphosted.commx0b-00148501.pphosted.commx0a-00148501.pphosted.com
Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.cloudmark.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time389 ms
DNS resolutionNOERROR
Redirect chain
https://www.cloudmark.com/

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

DNS Records

A 2

  • 45.60.171.207
  • 45.60.151.207

MX 4

  • 10mxa-00148501.gslb.pphosted.com
  • 10mxb-00148501.gslb.pphosted.com
  • 15mx0b-00148501.pphosted.com
  • 15mx0a-00148501.pphosted.com

TXT 6

  • google-site-verification=wRb80Hts2KZgvLsqI9GHd1N9mD4BZCSVOJ1V59TFA0o
  • google-site-verification=tIC5wynNyvZHcI0dVoi9D3OysdR1p2f8m49Gn3ApDls
  • MS=ms87203780
  • v=spf1 include:spf-00148501.pphosted.com include:spf-00148503.pphosted.com include:_spf.salesforce.com include:et._spf.pardot.com redirect=_spf.cloudmark.com
  • v=DMARC1;p=quarantine;adkim=r;aspf=r;pct=100;rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:postmaster@cloudmark.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:postmaster@cloudmark.com
  • v=DKIM1; (detected)

NS 6

  • ns3.proofpoint.com
  • pdns99.ultradns.net
  • pdns99.ultradns.biz
  • ns1.proofpoint.com
  • pdns99.ultradns.com
  • pdns99.ultradns.org

SOA 1

  • ns1.proofpoint.com ops.proofpoint.com

TLS Certificates (0)

None.

Subdomains (7)

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

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

Ed25519 Receipt

Receipt ID
059ee6dc-2328-4b00-ba62-139af84ffb33
Output Hash
c39841ba37c6fccd7f59b3b11a15ccfd9565e7ec6e3faa12b10f0a6cae79b792
Signature
ed25519:3d6c608e4e674822fc7446b2d1c194f936e2c03125232e9ca70546304a0719de1e0e35f4b738801b2fc626e7c13039cf0fc9fa614260170588242d0289072604
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser