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dynu.com

Free dynamic DNS service | Dynu Systems, Inc.Free dynamic DNS service | Dynu Systems, Inc.

Last scanned Jul 21, 2026, 12:33 PM · 1 view

85

Overall score

Great

Top issues to fix

8 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Slow estimated load (6.3s)

    Performance

    Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

+2 more issues — details in the sections below.

Summary

Dynu Systems, Inc. This website uses Google Analytics. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Title longer than 60 characters.

75

SEO

5 issue(s) found

80

Performance

6.29 s

90

Security

HTTPS & header checks

100

Accessibility

0 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.

Dynu

X (Twitter)plus.google.comFacebookfoursquare.comyelp.com

Contact

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

Meta tags

Title
Free dynamic DNS service | Dynu Systems, Inc.Free dynamic DNS service | Dynu Systems, Inc.
Description
Dynu Systems, Inc. provides free dynamic DNS service as well as other services such as domain registration, email and SSL services.Dynu Systems, Inc. provides free dynamic DNS service as well as other services such as domain registration, email and SSL services.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Dynu
og:description
—
og:type
company
og:url
http://www.dynu.com

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

jQueryGoogle Analytics

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
162.216.242.29
ASN
—

DNS records

TypeValue
A
  • 162.216.242.29
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Sectigo Limited
Subject
*.dynu.com
Valid from
Apr 1, 2026
Valid to
Oct 16, 2026
Days until expiry
87
SAN domains
*.dynu.com, dynu.com

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 6 · H2 1 · H3 12

Links

51 internal · 5 external · 0 broken

Images

35 total · 0 missing alt

Scripts / Styles

11 scripts · 2 stylesheets

JS / CSS size

90.1 KB · 0 B

Page size

41.1 KB

Robots.txt & Sitemap

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

SEO issues

  • Title longer than 60 characters
  • Meta description longer than 160 characters
  • Missing canonical link
  • Multiple H1 headings found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://dynu.com
Final URL
https://www.dynu.com/
HTTP status
200
HTTP version
HTTP/2
Response time
6.29 s
HTML size
41.1 KB
Redirect chain
https://dynu.com → http://www.dynu.com/ → https://www.dynu.com/

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Frequently asked questions

What technology does dynu.com use?
dynu.com is built with jQuery, Google Analytics.
Is dynu.com secure (HTTPS)?
Yes. dynu.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Oct 16, 2026.
Who hosts dynu.com?
Hosting provider information for dynu.com is not available yet.
What is dynu.com's SEO score?
dynu.com scored 75/100 for SEO in the latest analysis (fair).
What is dynu.com's overall website score?
dynu.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
What company operates dynu.com?
dynu.com is operated by Dynu.