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Domain report

udn.com

udn.com ranks in the top 0.0035% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 179 distinct hosts observed under it.

Explore udn.com in the Web Graph

Connectivity

#4,615harmonic-centrality rank
Top percentile
0.0035%
Hosts observed
179

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://udn.com/ answered with HTTP 200.

DNS records

A
  • 2.17.83.233
AAAA
No records found.
MX
  • 10 aspmx5.googlemail.com.
  • 5 alt2.aspmx.l.google.com.
  • 10 aspmx2.googlemail.com.
  • 10 aspmx3.googlemail.com.
  • 1 aspmx.l.google.com.
  • 10 aspmx4.googlemail.com.
  • 5 alt1.aspmx.l.google.com.
NS
  • a1-8.akam.net.
  • a26-67.akam.net.
  • a7-64.akam.net.
  • a13-65.akam.net.
  • a8-65.akam.net.
  • a2-66.akam.net.

Live preview

This is a live, sandboxed embed of udn.com — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
public, max-age=600
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://udn.com/HTTP 301

    → https://udn.com/

  2. 2.https://udn.com/HTTP 200

Meta tags

Title
聯合新聞網：觸動未來新識力
Description
udn.com 提供即時新聞以及豐富的政治、社會、地方、兩岸、國際、財經、數位、運動、NBA、娛樂、生活、健康、旅遊新聞，以最即時、多元的內容，滿足行動世代的需求。
Canonical
https://udn.com
Robots
INDEX,FOLLOW,NOARCHIVE,NOODP
Generator
Not set
Open Graph title
聯合新聞網：觸動未來新識力
Open Graph description
udn.com 提供即時新聞以及豐富的政治、社會、地方、兩岸、國際、財經、數位、運動、NBA、娛樂、生活、健康、旅遊新聞，以最即時、多元的內容，滿足行動世代的需求。
Open Graph image
https://udn.com/static/img/UDN_BABY.png
Open Graph type
article
Twitter card
summary_large_image
Twitter title
聯合新聞網：觸動未來新識力
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
11
Disallow rules (other agents)
3

Sitemaps declared:

  • https://udn.com/sitemapxml/news/mapindex.xml
  • https://udn.com/sitemap/gnews/2
  • https://udn.com/sitemap/gnews/1013
  • https://udn.com/sitemap/gnews/1015

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

    Found "www.google-analytics.com" in the page's HTML

  • Google Tag Manageranalytics

    Found "googletagmanager.com/gtm.js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.