exploratorium.edu

Observed Jul 22, 2026, 00:20 UTC (12h 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

Not responding

Runs onFastly

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · tranco_20k

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

INFRASTRUCTURE MAPwhat exploratorium.edu actually stands on - every host below is a signed observation

exploratorium.edu

A / AAAA

23.185.0.12620:12a:8001::12620:12a:8000::1

Fastlyserves the site

ns-1127.awsdns-12.orgns-1733.awsdns-24.co.ukns-415.awsdns-51.comns-797.awsdns-35.net

awsdns-12.org + awsdns-24.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

exploratorium.edu

Let's Encryptissued its certificate

DNS Records

A 1

23.185.0.1

AAAA 2

2620:12a:8001::1
2620:12a:8000::1

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 12

2jr4cb9p4ctf5ymtz4xlp0l4gb0vg304
MS=ms35793585
anthropic-domain-verification-89d5jf=wtjF67F1Bl4WiWz6KdSx0rlc3
apple-domain-verification=GokUpgoQLiVO1pMb
apple-domain-verification=NU1EKMj8yRHxSeqsWIQfl9VpEGdpZx2vlPx-C4ivpdw
atlassian-sending-domain-verification=c0020406-7682-4113-8329-295cb6db900e
google-site-verification=iLMRS8mQyaUFUd1wTpE5XZGQYcBPUADJOwcMsoN6Ei0
google-site-verification=nGJ4sbjTlz5bYzlOuef2xiUW1U1066O-Mmhu3QTuys0
include:spf.mandrillapp.com ~all
openai-domain-verification=dv-P9K6pcMH0FSd9ELKM3W8obDo

NS 4

ns-1127.awsdns-12.org
ns-1733.awsdns-24.co.uk
ns-415.awsdns-51.com
ns-797.awsdns-35.net

SOA 1

ns-415.awsdns-51.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`exploratorium.edu`	C=US, O=Let's Encrypt, CN=YR2	Mon, 12 Oct 2026 07:41:52 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +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 exploratorium.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_e45dfc4b8f40b477
Output Hash: 27265c87fa30390a5c7b0be268aa977c9c45b3d61cafeb1be61fd56978746192
Signature: ed25519:11d5ae51b9c88200e663a3b26bd97cd264dd181c74f748592923b843c07d21ecdbb76126455fc04f387b7e127919c8bd97559445a14b915f1d94807d39d5d109
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/exploratorium.edu