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SGSiteGraph

dns.lu

Accueil | DNS Luxembourg

Last scanned Jul 26, 2026, 5:17 AM · 2 views

84

Overall score

Great

Summary

This website uses Nginx hosted on RESTENA - Fondation RESTENA, LU. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

LU
Hosted on RESTENA - Fondation RESTENA, LU

Top issues to fix

6 issues found · 3 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

60

SEO

5 issue(s) found

100

Performance

291 ms

90

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

LinkedInFacebook

Contact

Email, phone, and address published on this site's own pages.

Source: https://dns.lu/fr/contact

Meta tags

Title
Accueil | DNS Luxembourg
Description
Canonical
https://dns.lu/fr/accueil
Language
fr
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Accueil
og:description
—
og:type
—
og:url
https://dns.lu/fr/accueil

Twitter Card

twitter:card
summary
twitter:title
Accueil
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

CDN provider
—
IP address
158.64.1.65
ASN
AS2602 (RESTENA - Fondation RESTENA, LU)

DNS records

TypeValue
A
  • 158.64.1.65
AAAA
  • 2001:a18:1::65
MX
  • smtpgate1.restena.lu
  • smtpgate2.restena.lu
TXT
  • v=spf1 mx ip4:158.64.1.62 ip6:2001:a18:1::62 ip4:158.64.1.60 ip6:2001:a18:1::60 ip4:158.64.1.70 ip6:2001:a18:1::70 -all
  • HARICA-nvpPzpMVlDkwCko83Fr
NS
  • p.dns.lu
  • g.dns.lu
  • i.dns.lu
  • r.ns.lu
  • k.dns.lu
  • j.dns.lu
  • 1.ns.lu
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Hellenic Academic and Research Institutions CA
Subject
www.dns.lu
Valid from
Oct 6, 2025
Valid to
Oct 6, 2026
Days until expiry
72
SAN domains
www.dns.lu, idp.dns.lu, nic.lu, www.nic.lu, auth.dns.lu, www.lunic.lu, dns.lu, lunic.lu

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 4 · H3 3

Links

32 internal · 5 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

28.1 KB · 116 KB

Page size

45.5 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • No H1 heading found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://dns.lu
Final URL
https://dns.lu/fr
HTTP status
200
HTTP version
HTTP/2
Response time
291 ms
HTML size
45.5 KB
Redirect chain
https://dns.lu → https://dns.lu/fr

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does dns.lu use?
dns.lu is built with Nginx.
Is dns.lu secure (HTTPS)?
Yes. dns.lu uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Oct 6, 2026.
Who hosts dns.lu?
dns.lu is hosted on RESTENA - Fondation RESTENA, LU.
What is dns.lu's SEO score?
dns.lu scored 60/100 for SEO in the latest analysis (fair).
What is dns.lu's overall website score?
dns.lu has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.