ebrary.net

Observed Jul 28, 2026, 14:39 UTC (23h 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.

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Up right now

Secured byLet's Encrypt

2 subdomains · tranco

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

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

ebrary.net

A / AAAA

5.45.72.163

unattributedserves the site

ns1.dyna-ns.netns2.dyna-ns.net

dyna-ns.netanswers its DNS

mx.ebrary.net

ebrary.netreceives its email

TLS

ebrary.net

Let's Encryptissued its certificate

DNS Records

A 1

5.45.72.163

MX 1

10mx.ebrary.net

TXT 2

v=spf1 ip4:5.45.72.163 ip4:5.45.75.95 a mx ~all
v=DMARC1; p=none

NS 2

ns1.dyna-ns.net
ns2.dyna-ns.net

SOA 1

ns1.dyna-ns.net hostmaster.ebrary.net

TLS Certificates (3)

Common Name	Issuer	Expires
`ebrary.net`	C=US, O=Let's Encrypt, CN=YR1	Sat, 03 Oct 2026 23:34:54 +0000
`YR1`	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 (2)

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

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

Ed25519 Receipt

Receipt ID: rcpt_c52601f2067f3ee5
Output Hash: 8a6cdf7fe4f4104b1ea661b39fd67e9c0d4875945743fb697b9203543d197b50
Signature: ed25519:75b7a28388f549f31c4616e6b9f2d58bd792b182dab2ba38fc88694811ff3d7c01d2f26a85644963d82de9b63fc2fe94005d9372e4684fc49dbdfaf8b40e6a05
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/ebrary.net