Infrastructure
· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.DCDN & DeliveryActionNo CDN detectedFIX
Consider using a CDN to improve global delivery speed and reduce origin load.
CIPv6 ReadinessActionNo IPv6 supportREVIEW
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.
Source: Google IPv6 stats
BCrawlabilityrobots.txt present, sitemap with 24281 URLsREVIEW
Search engines may not be able to parse the sitemap. Fix XML validation errors.
An unparseable sitemap is silently ignored by Google — the URLs it advertises are never queued for crawl.
Learn more ▾ ▴
Google's sitemap parser is strict about XML validity. A single unescaped `&` or unclosed tag invalidates the whole file. Run your sitemap through a validator (Search Console's Sitemaps report flags it) and fix the offending entry. Most generators escape correctly; mistakes usually come from manually-written entries.
Source: sitemaps.org / Google Search Central
User-Agent: terminalfour-nutch-spider
Allow: /search
User-Agent: *
Disallow:
# Ad-hoc old or test pages
Disallow: /alumni/keep-making-history/
Disallow: /keep-making-history/
Disallow: /xmltest
Disallow: /test-sal-pxl
Disallow: /homepage-test
Disallow: /Content-Types-Examples
Disallow: /assets
Disallow: /Integration-Content
Disallow: /Funnelback
Disallow: */sidebar
Disallow: /menu
Disallow: */mega-menu/*
Disallow: /course-universal-content
Disallow: /carousel-1
Disallow: /carousel-2
Disallow: /slideshow
Disallow: /banner
Disallow: /undergraduate-courses-content
Disallow: /postgraduate-taught-courses-content
Disallow: /calendar-bottom-content
Disallow: /branch-colour
Disallow: /documents-and-pdfs
Disallow: /things-to-do/ttd-site-assets
Disallow: /things-to-do/page-build-examples
Disallow: /business/business-school-site-assets
Disallow: /dubs-course-improvements
Disallow: /durham-courses-improvements
Disallow: /change-request
Disallow: /phase2
Disallow: /things-to-do/page-build-examples
Disallow: /business/content-testing
Disallow: /dev-courses
Disallow: /search/v4/*
# CSS and javascripts
# Disallow: /*.css - Allowing CSS and JS files allows Google to validate the site works correctly
# Disallow: /*.js - Allowing CSS and JS files allows Google to validate the site works correctly
Disallow: /*.json
Disallow: /*.svg
Disallow: search.durham.ac.uk/s/resources-global/css/funnelback.autocompletion-2.6.0.css
Disallow: search.durham.ac.uk/s/resources-global/thirdparty/typeahead-0.11.1/typeahead.bundle.min.js
Disallow: search.durham.ac.uk/s/resources-global/thirdparty/handlebars-4.1/handlebars.min.js
Disallow: search.durham.ac.uk/s/resources-global/js/funnelback.autocompletion-2.6.0.js
# Sitemap
Sitemap: https://www.durham.ac.uk/sitemap-en.xml
- https://www.durham.ac.uk/research/current/research-news/2025/01/phd-law-student-secures-prestigious-award-to-redefine-sexual-assault/
- https://www.durham.ac.uk/business/programmes/phd/phd-scholarships/
- https://www.durham.ac.uk/alumni/news-and-events/latest-news/2022/12/8/
- https://www.durham.ac.uk/research/institutes-and-centres/communications-systems/
- https://www.durham.ac.uk/staff/sherene-j-meir/
BURL Variantswww/non-www, trailing slash, HTTP→HTTPSREVIEW
www / non-www
Inconsistent — duplicate content risk
HTTP → HTTPS
Consistent
BTLS Certificate Expiry & Recommendations252 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
Recommended actions
- Add the preload directive and submit to hstspreload.org once max-age + includeSubDomains are in place
- Enable DNSSEC on your domain for DNS spoofing protection
- Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
A+DNS Records2 A records, 46 ms lookupPASS
| A | 75.2.69.134, 99.83.253.255 |
| AAAA | — |
| CNAME | — |
| NS | infoblox2.dur.ac.uk, infoblox1.dur.ac.uk, ns1.ja.net |
| MX | 10 dur-ac-uk.mail.protection.outlook.com |
| TXT | ZOOM_verify_P8ugvCVkQRCGlVj7kz7sLQ MS=628D40B0D94AC3371A7564231303173B0011E13A SPF v=spf1 include:spf.durham.ac.uk include:spf.protection.outlook.com include:amazo... MS=ms14704709 have-i-been-pwned-verification=dweb_3vse3owq8lx8nlag53ijwzuw QuoVadis=f69adfac-bf7d-45b0-9a52-f6356c47b88d |
| CAA | Lookup not available with standard resolver |
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.
A+Redirect ChainNo redirects — direct accessPASS
https://dur.ac.uk
243 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://dur.ac.uk | 200 | 243 ms | HTTP/1.1 | Apache |
A+Domain Intelligencedur.ac.uk — via No registrar listed. This domain is directly registered with Nominet., hosted on AWSPASS
Unknown
252 days
Issued by Amazon
Unknown
Status unknown
Protects against DNS spoofing
AWS
ASN AS16509
75.2.69.134
No registrar listed. This domain is directly registered with Nominet.
Expiry timeline
Recommended actions
- Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.
Learn more ▾ ▴
Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.
Source: ICANN / domain-security best practice