kumu.io

Observed Jul 18, 2026, 13:52 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byAmazon

Also usesGoogle Search Console

tranco_40k

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

INFRASTRUCTURE MAPwhat kumu.io actually stands on - every host below is a signed observation

kumu.io

A / AAAA

52.20.231.1453.228.59.126

Amazonserves the site

ns-1499.awsdns-59.orgns-1798.awsdns-32.co.ukns-227.awsdns-28.comns-612.awsdns-12.net

awsdns-59.org + awsdns-32.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

kumu.io

Amazonissued its certificate

DNS Records

A 2

52.20.231.145
3.228.59.126

MX 5

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

TXT 3

google-site-verification=ohGrcLXEfii187B-cXycshu7BkOAMQZX1AIKqoCZLW4
v=spf1 a include:_spf.google.com include:spf.mandrillapp.com -all
v=DMARC1; p=none; rua=mailto:ryan@kumu.io

NS 4

ns-1499.awsdns-59.org
ns-1798.awsdns-32.co.uk
ns-227.awsdns-28.com
ns-612.awsdns-12.net

SOA 1

ns-612.awsdns-12.net awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`kumu.io`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Fri, 22 Jan 2027 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +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 kumu.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: bcca9c73-3541-4270-9867-6b8a01b94af6
Output Hash: c46922936c70a52eb04c31af63d1d772fea453845883ca522244a6d4fdab28fc
Signature: ed25519:8ea3dc9df387befb513c292dbf2d59d3e57e7a273d30739e4e5336c94eaca4aa781ee45247da8342699ea5e016244fdcf3c39c4cc1018587d3614247eba3c904
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/kumu.io