CONTINUOUS INTERNET TELEMETRY24H DRIFT2,839 material changesacross 2,522 domains · -559 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination cloudflare.com · -6 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,330 curated domains not answering-6,388 vs yesterdayERRORS10,947 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,839 material changesacross 2,522 domains · -559 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination cloudflare.com · -6 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination h-email.net · -3 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,330 curated domains not answering-6,388 vs yesterdayERRORS10,947 responded with an errorlast probe · 5xx / 404 / 429 / 403

memfault.com

Observed 2026-07-13T01:51:27.404Z (14h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Also usesGoogle Search ConsoleHubSpotZoomAtlassian
9 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat memfault.com actually stands on - every host below is a signed observation
memfault.com
A / AAAA
141.193.213.20141.193.213.21
Cloudflareserves the site
NS
ns2.dnsimple.comns1.dnsimple.comns4.dnsimple.comns3.dnsimple.com
dnsimple.comanswers its DNS
MX
alt2.aspmx.l.google.comalt1.aspmx.l.google.comaspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time208 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 2

  • 141.193.213.20
  • 141.193.213.21

MX 5

  • 5alt2.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 1aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 10alt4.aspmx.l.google.com

TXT 12

  • MS=ms53009232
  • google-site-verification=2qyLRd8BiI5o3XnqssLvbzPDJ-2S6ytb9iLoNoz1Z9M
  • apple-domain-verification=FFBAruDM9dcBzNxm
  • postman-domain-verification=7882eef14404f0cc43aa6286fb8938ad823a8bcc788f1be913b061fbeea089f3f0a557f3326d660430b2fc52d7c0a8246b1c989e7021e61ab47cec3b18c0578d
  • MS=ms83674884
  • v=spf1 include:_spf.google.com include:8551838.spf10.hubspotemail.net include:spf.mandrillapp.com include:_spf.salesforce.com include:servers.mcsv.net include:mail.zendesk.com ~all
  • OSSRH-55616
  • ZOOM_verify_7scDNDJ4Y69ywDbtGjns2L
  • tpy0lgt8prjl9bpvqxm8g7g51wc75wzv
  • atlassian-domain-verification=NTJ0wz/vEELq3CLD1nrxi0hVQmNiDp5DY6YzN5u2vhkKayoXzxj9sa4dAS3TTDNN

NS 4

  • ns2.dnsimple.com
  • ns1.dnsimple.com
  • ns4.dnsimple.com
  • ns3.dnsimple.com

SOA 1

  • ns1.dnsimple.com admin.dnsimple.com

TLS Certificates (0)

None.

Subdomains (9)

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

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

Ed25519 Receipt

Receipt ID
a0a5e02e-2040-43b8-9865-a23a08a5a05d
Output Hash
e3d66d6557c449f3b568b16c184e279e3a9aed085a9b973d8f54de012e747689
Signature
ed25519:550b53d015430e772588c343095d6f1876303ce64f1ccf4b5b5ea11ebf2e5b7150219876d8db8e5ae180d1091f5325bbd76d547d2c6e10afa5266e1f3246800e
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser