oup.com

Observed Jul 21, 2026, 19:15 UTC (5h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Secured byAmazon

Registered withCSC Corporate Domains, Inc.

Also usesAtlassianFacebook/MetaGoogle Search ConsoleMiro

education_expanded

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

INFRASTRUCTURE MAPwhat oup.com actually stands on - every host below is a signed observation

oup.com

A / AAAA

75.2.119.185

Cloudflareserves the site

ns-1127.awsdns-12.orgns-1909.awsdns-46.co.ukns-357.awsdns-44.comns-978.awsdns-58.net

awsdns-12.org + awsdns-46.co.uk + moreanswers its DNS

oup-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

*.oup.com

Amazonissued its certificate

DNS Records

A 1

75.2.119.185

MX 1

0oup-com.mail.protection.outlook.com

TXT 33

050bl8t8s688tg4j0qt8kxvxxtd2nl7y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NS 4

ns-1127.awsdns-12.org
ns-1909.awsdns-46.co.uk
ns-357.awsdns-44.com
ns-978.awsdns-58.net

SOA 1

ns-1127.awsdns-12.org awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.oup.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Wed, 23 Sep 2026 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 oup.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_91e799bb83f8b40c
Output Hash: 266ef9c3c2721a635f833669c0a12ea0f5fab4c6016c9087c7a1eaffbfc6c860
Signature: ed25519:d52fb46e18540d23c2a67c611344c6c1313c945eadf3489c3e28ec6de546504359741aff255bae9d61ca0d399b5585572b65527add94088d2459c576ac1dc807
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/oup.com