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dshield.org

SANS.edu Internet Storm Center - SANS Internet Storm Center

Last scanned Jul 26, 2026, 3:19 PM

92

Overall score

Excellent

Summary

SANS.edu Internet Storm Center. This website uses jQuery hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.

SANS Internet Storm Center

SANS.edu Internet Storm Center. Today's Top Story: Scans for ESAFENET CDG 3 Document Management System Weak Logins;

8120 Woodmont Avenue, Suite 310, Bethesda, Maryland, 20814, USA
Hosted on Cloudflare

Top issues to fix

4 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

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

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • sitemap.xml not found

    SEO

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

  • 3 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

90

SEO

2 issue(s) found

90

Performance

1.19 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.

SANS Internet Storm Center

SANS.edu Internet Storm Center. Today's Top Story: Scans for ESAFENET CDG 3 Document Management System Weak Logins;

Contact

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

Address
8120 Woodmont Avenue, Suite 310, Bethesda, Maryland, 20814, USA

Meta tags

Title
SANS.edu Internet Storm Center - SANS Internet Storm Center
Description
SANS.edu Internet Storm Center. Today's Top Story: Scans for ESAFENET CDG 3 Document Management System Weak Logins;
Canonical
http://www.dshield.org/index_dyn.html
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest
https://dshield.org/site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
SANS.edu Internet Storm Center - SANS Internet Storm Center
og:description
SANS.edu Internet Storm Center. Today's Top Story: Scans for ESAFENET CDG 3 Document Management System Weak Logins;
og:type
website
og:url
http://www.dshield.org/index_dyn.html

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
104.26.3.15
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 104.26.3.15
  • 104.26.2.15
  • 172.67.70.195
AAAA
  • 2606:4700:20::681a:30f
  • 2606:4700:20::ac43:46c3
  • 2606:4700:20::681a:20f
MX
  • mail-1b.dshield.org
  • mail-1a.dshield.org
TXT
  • keybase-site-verification=P0GIw4eFx6POmwhrhpH4GPIdV9IgEPJ3ebudqWsa0_Y
  • globalsign-domain-verification=7EFA96C85269E213FA1D6A569E56410B
  • v=spf1 a mx a:sans.edu ip4:159.223.154.178 ip4:66.35.59.0/24 ip4:66.35.60.0/24 ip4:70.91.145.8/29 ip6:2604:a880:800:a1::1152:8001 ip6:2603:3010:103:4200::/56 ip6:2607:f1c0:846:9100::/64 -all
NS
  • jeff.ns.cloudflare.com
  • ivy.ns.cloudflare.com
CAA
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
dshield.org
Valid from
Jun 25, 2026
Valid to
Sep 24, 2026
Days until expiry
59
SAN domains
dshield.org, *.dshield.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 4 · H2 0 · H3 3

Links

38 internal · 6 external · 3 broken

Images

2 total · 0 missing alt

Scripts / Styles

9 scripts · 6 stylesheets

JS / CSS size

190 KB · 132 KB

Page size

30.6 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
23
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Multiple H1 headings found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://dshield.org
Final URL
https://dshield.org
HTTP status
200
HTTP version
HTTP/2
Response time
1.19 s
HTML size
30.6 KB
Redirect chain
https://dshield.org

See something wrong on this report? Request a correction

Frequently asked questions

What technology does dshield.org use?
dshield.org is built with jQuery.
Is dshield.org secure (HTTPS)?
Yes. dshield.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 24, 2026.
Who hosts dshield.org?
dshield.org is hosted on Cloudflare, behind Cloudflare CDN.
What is dshield.org's SEO score?
dshield.org scored 90/100 for SEO in the latest analysis (excellent).
What is dshield.org's overall website score?
dshield.org has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
What company operates dshield.org?
dshield.org is operated by SANS Internet Storm Center. SANS.edu Internet Storm Center. Today's Top Story: Scans for ESAFENET CDG 3 Document Management System Weak Logins;
Is dshield.org hiring?
Yes. dshield.org has 3 open roles listed on their careers page.