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Gridlode
Rank #1,641Updated November 10, 2026

kcl.ac.uk

King's College London

The site runs on ASP.NET, Varnish, OneTrust and 7 other technologies. Its email security grade is C. Its SSL certificate is issued by Sectigo Limited and is valid for 45 more days.

Domain age
—
Technologies
10
Email security
C
SSL days left
45

Registration

Name servers

DNS records

TypeValueTTL
A137.73.130.13560
MXkcl-ac-uk.mail.protection.outlook.com 10993
NSndc-cns-ext-01.kcl.ac.uk86400
NSns3.ja.net86400
NSsdc-cns-ext-01.kcl.ac.uk86400
TXTd365mktkey=graYmRAY1uhzEtBesJ2kRr4oTE7pwLb8MCrYJ3YAnt4x3600
TXTmistral-domain-verification=093f85f4e68804c5deb819f7e40acf81695da60c3600
TXTcfq8ik3p7puuh50hj6t7dgiama3600
TXTopenai-domain-verification=dv-GBaYyXh1c726aQ6IVBEIDhmC3600
TXTaccess-domain-verification=3bd5cbbbc482120ce3eb5ecd8204cf3ab0166b040630f21a95ae3c5e370d11283600
TXTjamf-site-verification=84NMSr8I_kANRjIu3SFMMQ3600
TXTv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all3600
TXTbda19b01-941d-4022-a8a3-914b7ee33d3d3600
TXTAppID=00000000400C027C3600
TXTv=msv1t=930e30397d884fbc545b35c8c2fcc13600
TXTaccess-domain-verification=b4f117add86134c15bc6af45c586d52c1dc3fbef295a24c44df1e4da6a83b1683600
TXTdocusign=2d1e7df6-f14e-46be-88cb-4d3fb3b05abd3600

Technology stack

Cache
Varnish
Cookie consent
OneTrust
JavaScript library
jQueryPopper
Maps
Google Maps
Security
Content Security PolicyHSTS
Tag manager
Google Tag Manager
Web framework
ASP.NET
Widgets
X (Twitter) Widgets

Analytics and advertising IDs

google_tag_manager:GTM-W5RSV5

SSL certificate

ValidValid
IssuerGB, Sectigo Public Server Authentication CA OV R36, Sectigo Limited
ExpiresDecember 25, 2026
Days remaining45
ProtocolTLSv1.3
Names*.kcl.ac.uk, kcl.ac.uk

Email security

CScore 73/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnSubdomains use a weaker policy (sp=none) than the main domain (p=quarantine).
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
  • goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
  • goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
  • goodDKIM keys found (selector: selector1, selector2, k1, k2, s1, s2).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

TitleKing's College London
DescriptionKing's is ranked in the top 10 universities in the UK (QS World Rankings 2021) and based in the heart of London. With nine faculties, institutes and schools of study and five Medical Research Council centres, King's offers world-class teaching and research.
Languageen-GB
Canonicalhttps://www.kcl.ac.uk
Structured dataArticle, Event, Organization
IndexableNo (noindex)
Word count653

About kcl.ac.uk

What technology does kcl.ac.uk use?

We detected 10 technologies on kcl.ac.uk, including Varnish, OneTrust, jQuery, Popper, Google Maps, Content Security Policy.

Does kcl.ac.uk protect its email with SPF and DMARC?

kcl.ac.uk scores 73/100 (grade C) for email security. Subdomains use a weaker policy (sp=none) than the main domain (p=quarantine). No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of kcl.ac.uk?

kcl.ac.uk uses ndc-cns-ext-01.kcl.ac.uk, ns3.ja.net, sdc-cns-ext-01.kcl.ac.uk.