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Domain report

kmemory.co.kr

kmemory.co.kr ranks in the top 0.22% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore kmemory.co.kr in the Web Graph

Connectivity

#289,354harmonic-centrality rank
Top percentile
0.22%
Hosts observed
2

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://kmemory.co.kr/ answered with HTTP 200.

Certificate until 2026-11-02C=US, O=Let's Encrypt, CN=YR1

DNS records

A
  • 88.222.222.251
  • 2.57.91.16
AAAA
  • 2a02:4780:84:4b7a:22cd:df27:5b97:2c21
  • 2a02:4780:84:c88a:54d7:8b3:75f7:c428
MX
  • 5 mx1.hostinger.com.
  • 10 mx2.hostinger.com.
NS
  • solar.dns-parking.com.
  • lunar.dns-parking.com.
AS
Server in network AS-HOSTINGER, AS47583 · Cyprus88.222.222.0/24, which holds 88.222.222.251

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
Unknown
Registered
2020-07-12
Expires
2027-07-12
Last changed
2026-10-02

Nameservers: solar.dns-parking.com, lunar.dns-parking.com

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Common name
kmemory.co.kr
Issuer
C=US, O=Let's Encrypt, CN=YR1
Valid from
2026-08-04
Valid until
2026-11-02

Matches kmemory.co.kr exactly. Source: Certificate Transparency logs (crt.sh).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
upgrade-insecure-requests
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://kmemory.co.kr/HTTP 301

    → https://kmemory.co.kr/

  2. 2.https://kmemory.co.kr/HTTP 200

Meta tags

Title
사단법인 한국기억력스포츠협회 공식홈페이지. 기억 콘텐츠 개발그룹 No.1
Description
(1599-2479)기억력스포츠는 '기억'의 종류와 '난이도'에 따라 10종목으로 유형화하여 겨루는 두뇌스포츠. 빨리 기억하고, 오래 기억하는 방법을 익히고 훈련하는 것입니다. 학생, 성인, 수험생, 치매 걱정되는 시니어 모두의 기억을 지키는 훈련입니다.
Canonical
https://kmemory.co.kr/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 7.1.3
Open Graph title
훈련안내
Open Graph description
(1599-2479)기억력스포츠는 '기억'의 종류와 '난이도'에 따라 10종목으로 유형화하여 겨루는 두뇌스포츠. 빨리 기억하고, 오래 기억하는 방법을 익히고 훈련하는 것입니다. 학생, 성인, 수험생, 치매 걱정되는 시니어 모두의 기억을 지키는 훈련입니다.
Open Graph image
https://kmemory.co.kr/wp-content/uploads/2021/05/홈페이지-썸네일.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
6
Disallow rules (other agents)
0

Sitemap declared:

  • https://kmemory.co.kr/sitemap_index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • PHPother

    X-Powered-By: PHP/8.3.35

  • WordPresscms

    <meta name="generator"> = "WordPress 7.1.3"

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