uk.cambridge.org - robtex.com

uk.cambridge.org

CNAMEext-redirect01-759330972.eu-west-1.elb.amazonaws.com
DNSSEC⚠️ Not signed
A52.212.79.180🇮🇪 Amazon52.208.0.0/13 EC2 DUB prefix
PTRec2-52-212-79-180.eu-west-1.compute.amazonaws.com
A108.132.63.4🇮🇪 Amazon108.128.0.0/13 EC2 DUB prefix
A108.132.196.25🇮🇪 Amazon108.128.0.0/13 EC2 DUB prefix

cambridge.org

DNSSEC⚠️ Not signed
A104.17.110.190Cloudflare104.17.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.111.190Cloudflare104.17.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlex.ns.cloudflare.com ⭐
NSnucum.ns.cloudflare.com
MXeu-smtp-inbound-1.mimecast.com ⭐
MXeu-smtp-inbound-2.mimecast.com ⭐
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HTTPSHTTP/2 ✓ hints match
IPv4 hints104.17.110.190, 104.17.111.190
SOAlex.ns.cloudflare.comdns@cloudflare.com serial=2411354044
WOT: SAFE (62/100)
rank #243 globally
rank #27 in the tld

cambridge.org

cambridge.orgis the official domain of Cambridge University Press & Assessment, the publishing business of the University of Cambridge. The website serves as a global platform for academic books, peer-reviewed journals, educational resources, and English language learning materials.

Key facts

  • Owner / operator: Cambridge University Press & Assessment
  • TLD:.org— gTLD
  • Primary purpose: Academic and educational publishing platform and corporate website
  • Status: active

History

YearEvent
1534King Henry VIII grants Letters Patent to the University of Cambridge, establishing the press.
1998Thecambridge.orgdomain name is registered.
2021Cambridge University Press merges with Cambridge Assessment to form Cambridge University Press & Assessment.
Semrush Rank:#49 Keywords:8,728,055 Traffic:47,812,304/mo
WOT: SAFE (93/100)
📈 Tranco rank: #663
cambridge.org - Tranco Rank (30d: ↓-15)633640650660666Jun 28Jul 7Jul 16Jul 25Aug 3Aug 4Rank#647#662

Cambridge University Press & Assessment

cambridge.org is the official domain of Cambridge University Press & Assessment, the publishing and assessment arm of the University of Cambridge. Founded in 1534 by royal charter from King Henry VIII, it is the oldest university press in the world and one of the largest academic publishers globally.

Services & Products

  • Academic Publishing – Journals, monographs, and textbooks across sciences, humanities, medicine, and social sciences
  • Educational Resources – English language learning materials (Cambridge English), K-12 textbooks, and digital learning platforms
  • Assessment Services – International examinations including Cambridge English qualifications, school assessments, and professional certifications
  • Open Access – Growing portfolio of open access journals and publications

Infrastructure

ComponentProvider
DNSCloudflare (lex.ns.cloudflare.com,nucum.ns.cloudflare.com)
Web HostingCloudflare CDN (104.17.110.190, 104.17.111.190)
EmailMimecast (eu-smtp-inbound-1.mimecast.com,eu-smtp-inbound-2.mimecast.com)
Email ASAS207098 (MIMECAST-UK)
DNSSECNot signed

The domain hosts 100+ subdomains supporting their global publishing, e-learning, and examination services, serving millions of learners, educators, and researchers worldwide.

Subdomains

www.uk.cambridge.org

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A128.232.233.21CNAMEext-redirect01-759330972.eu-west-1.elb.amazonaws.com
○A128.232.233.212015-07-18 → 2016-12-06 · 4 obs
● 2015-07-18 13:45:44
● 2016-12-06 20:21:16
○ 2026-06-20 18:49:10
○ 2026-08-06 09:22:12
●CNAMEext-redirect01-759330972.eu-west-1.elb.amazonaws.com2026-06-20 → 2026-08-06 · 2 obs
● 2026-06-20 18:49:10
● 2026-08-06 09:22:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
cambridge.orglex.ns.cloudflare.com, nucum.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.145

NS records: lex.ns.cloudflare.com, nucum.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cambridge.org (unsigned zone)

⏱️ Timing

Total: 287ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1ext-redirect01-759330972.eu-west-1.elb.a

Analysis

Hierarchy

uk.cambridge.org serves as the parent of www.uk.cambridge.org.

IP Addresses

uk.cambridge.org maps to three IP numbers — 52.212.79.180, 108.132.63.4 and 108.132.196.25.

Other host names, such as ext-redirect01-759330972.eu-west-1.elb.amazonaws.com, share IP numbers with uk.cambridge.org.