measurementlab.net

Observed Jul 22, 2026, 00:14 UTC (22h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onFastly

Email byGoogle Workspace

Secured byGoogle Trust Services

Registered withCSL Computer Service Langenbach GmbH d/b/a joker.com

Also usesGoogle Search Console

tranco_20k

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

INFRASTRUCTURE MAPwhat measurementlab.net actually stands on - every host below is a signed observation

measurementlab.net

A / AAAA

151.101.1.195151.101.65.195

Fastlyserves the site

ns-cloud-c4.googledomains.comns-cloud-c1.googledomains.comns-cloud-c2.googledomains.comns-cloud-c3.googledomains.com

googledomains.comanswers its DNS

alt1.aspmx.l.google.comaspmx2.googlemail.comalt2.aspmx.l.google.comaspmx3.googlemail.com+1 more

Google Workspacereceives its email

TLS

www.rudama.com

Google Trust Servicesissued its certificate

DNS Records

A 2

151.101.1.195
151.101.65.195

MX 5

5alt1.aspmx.l.google.com
10aspmx2.googlemail.com
5alt2.aspmx.l.google.com
10aspmx3.googlemail.com
1aspmx.l.google.com

TXT 7

google-site-verification=JlPXKcX1J6YZfBv8xrQPE4LLWVwEm8BKu7Hv2OCW-Lw
google-site-verification=lN4HHWmCV4gTtKslbFKZNrMNkYx4NhwsjSmmjsPr_Vg
google-site-verification=zsAqWtfnH8IFhjNmV94zQ0zxTMHXB580CYS0X1x8Yms
google-site-verification=J0GGSQIvq5UoGosUet_M5SbIjJupnlAorc7uwaNasuA
v=spf1 include:_spf.google.com ~all
google-site-verification=QzNQqgKdrElH34L_mzcEdeVoq1JP-WhiuMUB-Cm8oZg
google-site-verification=C901sQ7Uym2ZSuXbKSBsfncEXQ5tEzR4fAcAMoJnaX0

NS 4

ns-cloud-c4.googledomains.com
ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com

SOA 1

ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com

TLS Certificates (4)

Common Name	Issuer	Expires
`www.rudama.com`	C=US, O=Google Trust Services, CN=WR3	Thu, 15 Oct 2026 03:19:15 +0000
`WR3`	C=US, O=Google Trust Services LLC, CN=GTS Root R1	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R1`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +0000
`GlobalSign Root CA`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 12:00:00 +0000

Subdomains (0)

None observed.

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 measurementlab.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_137bea833413c594
Output Hash: 18297523cc09b664debe211cd5b4105d89e03f4a2448158cb5dcf9309dbbce3d
Signature: ed25519:7fd4756aa221148696f1e2adda73e92a9db22a85e68c42d95de7befe4393472710160637613e3fe7912b05869840c526ca75b025955aba971a93ae1e0ec3230d
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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