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.
BURL Variantswww/non-www, trailing slash, HTTP→HTTPSREVIEW
www / non-www
Inconsistent — duplicate content risk
HTTP → HTTPS
Consistent
BTLS Certificate Expiry & Recommendations187 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
Recommended actions
- Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
- 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 Records1 A records, 50 ms lookupPASS
| A | 185.84.52.158 |
| AAAA | 2a05:a140::129 |
| CNAME | — |
| NS | ns2.su.se, ns1.su.se, ns3.su.se |
| MX | 10 mailfilter-ng-1.sunet.se 10 mailfilter-ng-4.sunet.se 10 mailfilter-ng-3.sunet.se 20 mailfilter-ng-2.sunet.se |
| TXT | detectify-verification=54731c76f97a26058c5902ebec209b02 jamf-site-verification=FfaNyeBshTrXPvFfJKfUuQ atlassian-domain-verification=RmM2Clcbn76remF/AKlNOhEGihrxfKHVVSxDVchooKaC7XS2gO... SPF v=spf1 ip4:77.238.35.11 ip6:2001:6b0:5:1212:250:56ff:feaf:6c7f ip4:77.238.36.76 ... adobe-idp-site-verification=bb090fa9-4001-440d-b8c2-3f176ddb7a65 DNS registry <hostmaster@su.se> Abuse <abuse@su.se> Network Operation Center <noc@su.se> MS=ms35958557 adobe-idp-site-verification=ac6fe83affe4f7cbe13d862cc38c401053df2886f83126d647a3... adobe-idp-site-verification=606bc0a12d0b5f17608bd18e4c87e9b94961b1ac061e996350c3... ZOOM_verify_V05-56SaQdaC8TowU5tijQ google-site-verification=aicnyqhwzHkaw57ZPrP7_IJH5exU8QG3plHrPaDXBKo |
| CAA | Lookup not available with standard resolver |
Multiple A records provide failover if one server goes down.
Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.
Learn more ▾ ▴
Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.
Source: SRE practice / DNS architecture
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.
ARedirect Chain1 redirect(s), 321 ms totalPASS
https://su.se
157 ms · HTTP/1.1
https://www.su.se/
164 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://su.se | 301 | 157 ms | HTTP/1.1 | |
| 2 | https://www.su.se/ | 200 | 164 ms | HTTP/1.1 |
See the visual redirect chain in the HTTP Probe tab →
A+IPv6 ReadinessIPv6 reachable (24 ms)PASS
ACrawlabilityrobots.txt present, no sitemapPASS
A sitemap helps search engines discover and index your pages more efficiently.
No sitemap.xml — Google relies on crawl-graph discovery alone, slowing indexing of deep or fresh URLs.
Learn more ▾ ▴
A sitemap accelerates Google's discovery of new and updated content. Most CMSes auto-generate one; static-site frameworks need a build-step plugin. Reference it from robots.txt and submit in Search Console to confirm Google can fetch it.
Source: sitemaps.org / Google Search Central
User-agent: *
Disallow: /imagedescription.action2
Disallow: /checkoutimages.action2
Disallow: /mybookmarks/addbookmark.action2
Disallow: /mybookmarks/removebookmark.action2
Disallow: /*.html.printable
Disallow: /*?contactPage=*
Disallow: /*?contactUserId=*
Disallow: /*?sv.state=*
Disallow: /*?state=keepAlive
Disallow: /*&state=keepAlive
Disallow: /*?profiling=*
Disallow: /*.pdf?properties=*
Disallow: /*?addToCart=true
Disallow: /*;jsessionid=*
Sitemap: https://www.su.se/rest-api/sitemap
No sitemap found
Adding a sitemap helps search engines discover your pages.
A+Domain Intelligencesu.se — via Loopia AB, 39 years, 10 months oldPASS
198 days
December 31, 2026
187 days
Issued by Hellenic Academic and Research Institutions CA
39 years, 10 months
Registered January 1, 1987
Status unknown
Protects against DNS spoofing
Unknown
2a05:a140::129
Loopia AB
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