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Gridlode
Rank #2,226Updated November 10, 2026

york.ac.uk

University of York

The site runs on VWO, Cloudflare, Content Security Policy and 2 other technologies. Its email security grade is A. Its SSL certificate is issued by Let's Encrypt and is valid for 62 more days.

Domain age
—
Technologies
5
Email security
A
SSL days left
62

Registration

Name servers

DNS records

TypeValueTTL
A144.32.128.115300
MXalt3.aspmx.l.google.com 103599
MXalt4.aspmx.l.google.com 103599
MXaspmx.l.google.com 13599
MXalt1.aspmx.l.google.com 53599
MXalt2.aspmx.l.google.com 53599
NSauth1.dns.cam.ac.uk86400
NSns2.york.ac.uk86400
NSns0.york.ac.uk86400
NSns1.york.ac.uk86400
CAAiodef 0 mailto:[email protected]3600
CAAissue 0 digicert.com3600
CAAissuewild 0 letsencrypt.org;accounturi=https://acme-staging-v02.api.letsencrypt.org/acme/acct/273081663;validationmethods=dns-013600
CAAissue 0 awstrust.com3600
CAAissue 0 sectigo.com3600
CAAissuewild 0 sectigo.com3600
CAAissue 0 letsencrypt.org3600
CAAissuevmc 0 ;3600
CAAissue 0 godaddy.com3600
CAAissuewild 0 letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/3235853391;validationmethods=dns-013600
CAAissuemail 0 pki.goog3600
CAAissue 0 pki.goog3600
TXTv=spf1 include:_spf.york.ac.uk include:_spf.google.com -all86399
TXT375dd32a0890c84486ec4d5935ed4fbb2f77b2fca3b6e2759686399
TXTmandrill_verify.3Ru1mvZzZJy5d2dGlzkKaQ86399
TXTsamsung-domain-verification=18e1ca66-30bc-465f-8d5f-f40025cd878f86399
TXTatlassian-domain-verification=Yhq9OnKNxMwugKi1gcSWjAn1xqUW9Ig4EjWsmd0f/xoTFwDaWmLoQpZ3Z0YKi1zw86399
TXThpe-greenlake-domain-verification=7a58677678314133754e6c2d736348414455503633784161346d494232534d6a86399
TXTdocusign=15f9236f-fcc7-43a8-b92d-a7f61feaf46b86399
TXTformstack-domain-verification=8f07a12621b9628970ca76f97743e29486399
TXTtwilio-domain-verification=1395e7d15ae1fac1a10b8a7b0ad5e66e86399
TXTanthropic-domain-verification-aakzbe=7QIkTlM5acf22OANR4co3wiNQ86399
AAAA2001:630:61:180::1:73900

Technology stack

A/B testing
VWO
CDN
Cloudflare
Security
Content Security PolicyHSTS
Tag manager
Google Tag Manager

Analytics and advertising IDs

google_tag_manager:GTM-WXLX54

SSL certificate

ValidValid
IssuerUS, YE1, Let's Encrypt
ExpiresJanuary 11, 2027
Days remaining62
ProtocolTLSv1.3
Namesw2f5www.york.ac.uk, www.york.ac.uk, york.ac.uk

Email security

AScore 95/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnMTA-STS is in testing mode. Switch to mode: enforce once reports look clean.
  • 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 rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: selector1, selector2, s1, s2, mandrill).
  • good5 MX record(s) found. Mail is handled by Google Workspace.
  • goodTLS-RPT is set up: you receive reports about failed encrypted deliveries.

Homepage metadata

TitleUniversity of York
DescriptionOutstanding teaching and research in a beautiful and historic city. York is a member of the prestigious Russell Group of research-intensive UK universities.
Languageen
IndexableYes
Word count955

About york.ac.uk

What technology does york.ac.uk use?

We detected 5 technologies on york.ac.uk, including VWO, Cloudflare, Content Security Policy, HSTS, Google Tag Manager.

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

york.ac.uk scores 95/100 (grade A) for email security. MTA-STS is in testing mode. Switch to mode: enforce once reports look clean. No BIMI record (optional: shows your logo next to your emails in supporting inboxes).

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

york.ac.uk uses auth1.dns.cam.ac.uk, ns2.york.ac.uk, ns0.york.ac.uk, ns1.york.ac.uk.