expasy.org

Observed Jul 21, 2026, 16:36 UTC (2d 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

Email byMicrosoft 365

Secured byLet's Encrypt

10 subdomains · tranco_100k

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

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

expasy.org

A / AAAA

192.42.198.25

unattributedserves the site

dns2.sib.swissdns1.sib.swiss

sib.swissanswers its DNS

expasy-org.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.expasy.org

Let's Encryptissued its certificate

DNS Records

A 1

192.42.198.25

MX 1

10expasy-org.mail.protection.outlook.com

TXT 3

v=spf1 a mx ip4:192.33.215.141 ip4:192.33.215.163 ip4:192.42.198.12 include:_spf.unil.ch include:spf.protection.outlook.com ~all
MS=ms44556967
v=DMARC1; p=none;

NS 2

dns2.sib.swiss
dns1.sib.swiss

SOA 1

dns1.sib.swiss dns-sib.sib.swiss

TLS Certificates (4)

Common Name	Issuer	Expires
`www.expasy.org`	C=US, O=Let's Encrypt, CN=YE2	Mon, 19 Oct 2026 01:06:42 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (10)

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 expasy.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_b8116155c3ddc69e
Output Hash: 0df0d318234bb710d12960014d20b9c3ee26cc5879aeb5fa77a17556c6e20626
Signature: ed25519:673395620760d8985643aadc77a06d4ebdcd0369b37f08c0101bdee0c7333942a3d358b99e5d3f4f2ffa4314f4d197d439008c5cb96ff65dd4ae6e12f9f02b07
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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