What technology does d2b.go.kr use?

We did not detect any specific technologies for d2b.go.kr in the latest scan.

Is d2b.go.kr secure (HTTPS)?

Yes. d2b.go.kr uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Dec 24, 2026.

d2b.go.kr is hosted on SKB-GOV-KR-KR - SK Broadband Co Ltd, KR.

What is d2b.go.kr's SEO score?

d2b.go.kr scored 50/100 for SEO in the latest analysis (fair).

What is d2b.go.kr's overall website score?

d2b.go.kr has an overall SiteGraph score of 70/100, combining SEO, performance, security, and accessibility.

d2b.go.kr

400 Bad Request

Last scanned Aug 24, 2026, 1:21 PM · 3 views

Overall score

Fair

Summary

This website is hosted on SKB-GOV-KR-KR - SK Broadband Co Ltd, KR. SEO is fair (50/100) and accessibility is good (80/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Missing meta description.

South Korea

Hosted on SKB-GOV-KR-KR - SK Broadband Co Ltd, KR

Top issues to fix

12 issues found · 4 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

+6 more issues — details in the sections below.

SEO

7 issue(s) found

Performance

1.86 s

Security

HTTPS & header checks

Accessibility

2 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.

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: SKB-GOV-KR-KR - SK Broadband Co Ltd, KR
CDN provider: —
IP address: 125.61.29.181
ASN: AS23575 (SKB-GOV-KR-KR - SK Broadband Co Ltd, KR)

DNS records

Type	Value
A	125.61.29.181
AAAA	—
MX	—
TXT	_73x1xkpxq0yblq02c7605cwwx3fki97 v=spf1 ip4:152.99.246.14 ip4:152.99.246.23 -all _uvp38xoczveq9c1qbv9cdzhmsn27cl3 turingsign=064756EE-D6A7-8652-D584-DA35A718B278
NS	ns2.gcc.go.kr ns.gcc.go.kr
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: DigiCert Inc
Subject: *.d2b.go.kr
Valid from: Jun 9, 2026
Valid to: Dec 24, 2026
Days until expiry: 122
SAN domains: *.d2b.go.kr, d2b.go.kr

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 613 B

Page size

1.4 KB

Robots.txt & Sitemap

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

SEO issues

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

Scan details

Requested URL: https://d2b.go.kr
Final URL: https://d2b.go.kr/common/403.jsp
HTTP status: 400
HTTP version: HTTP/1.1
Response time: 1.86 s
HTML size: 1.4 KB
Redirect chain: https://d2b.go.kr → https://d2b.go.kr/common/403.jsp

See something wrong on this report? Request a correction

Frequently asked questions

What technology does d2b.go.kr use?: We did not detect any specific technologies for d2b.go.kr in the latest scan.
Is d2b.go.kr secure (HTTPS)?: Yes. d2b.go.kr uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Dec 24, 2026.
Who hosts d2b.go.kr?: d2b.go.kr is hosted on SKB-GOV-KR-KR - SK Broadband Co Ltd, KR.
What is d2b.go.kr's SEO score?: d2b.go.kr scored 50/100 for SEO in the latest analysis (fair).
What is d2b.go.kr's overall website score?: d2b.go.kr has an overall SiteGraph score of 70/100, combining SEO, performance, security, and accessibility.