geogebra.org

Observed 2026-07-18T12:24:15.789120243+00:00 (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byAmazon

Also usesAtlassianGoogle Search ConsoleHubSpot

push_legacy

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

INFRASTRUCTURE MAPwhat geogebra.org actually stands on - every host below is a signed observation

geogebra.org

A / AAAA

3.167.56.553.167.56.603.167.56.693.167.56.128

Amazonserves the site

ns-1082.awsdns-07.orgns-1933.awsdns-49.co.ukns-380.awsdns-47.comns-548.awsdns-04.net

awsdns-07.org + awsdns-49.co.uk + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

TLS

geogebra.org

Amazonissued its certificate

DNS Records

A 4

3.167.56.55
3.167.56.60
3.167.56.69
3.167.56.128

MX 5

10aspmx.l.google.com
20alt1.aspmx.l.google.com
20alt2.aspmx.l.google.com
30aspmx2.googlemail.com
30aspmx3.googlemail.com

TXT 7

MS=ms75579110
MS=ms92504637
atlassian-domain-verification=hVCRGjM2nyjtM2ihzsp8d/5iMeJYblf/ERARL9bQZtkDE46wGxIZ6EkZnERU/srE
google-site-verification=rXlByKov4KIo4v-tNYMA4-jj4KF5KIxu-Ab8-bnLD20
pwa-site-verification=RocOo-JshdrRAsxgwQBVQlyZmpjf_4V_kmwx-koNSdE=
v=spf1 a include:spf.mailjet.com include:_spf.google.com include:mail.zendesk.com include:8994700.spf03.hubspotemail.net ip4:52.211.214.96 ip4:140.78.116.233 ip4:140.78.116.234 -all
v=DMARC1; p=none; pct=100; rua=mailto:attila.klepity@geogebra.org; ruf=mailto:attila.klepity@geogebra.org; fo=1

NS 4

ns-1082.awsdns-07.org
ns-1933.awsdns-49.co.uk
ns-380.awsdns-47.com
ns-548.awsdns-04.net

SOA 1

ns-1933.awsdns-49.co.uk awsdns-hostmaster.amazon.com

CAA 6

issue "amazon.com"
issue "letsencrypt.org"
issue "ssl.com"
issuewild "amazon.com"
issuewild "letsencrypt.org"
issuewild "ssl.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`geogebra.org`	C=US, O=Amazon, CN=Amazon RSA 2048 M01	Wed, 21 Oct 2026 23:59:59 +0000
`Amazon RSA 2048 M01`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:21:28 +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 geogebra.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 282f45c0-bbc8-4b01-9382-2793a47b7871
Output Hash: facf372f106fc5e35f60773570090d5f5894ad3793d15a504a4ec8cb0f6ac101
Signature: ed25519:fa7a2659636e4d5c77e0c169c85d64bbc42a800d4ab5c02a3e67527a461f957457cd1a4f686449cb8725c3206084cb37a37335567d4ab07018f54f890f95170b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/geogebra.org