Domain report
codenrock.com
codenrock.com ranks in the top 4.92% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 13 distinct hosts observed under it.
Connectivity
#6,559,087harmonic-centrality rank
- Top percentile
- 4.92%
- Hosts observed
- 13
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://codenrock.com/ answered with HTTP 200.
DNS records
- A
- 37.44.197.132
- AAAA
- No records found.
- MX
- 10 mx.yandex.net.
- NS
- linda.ns.cloudflare.com.
- major.ns.cloudflare.com.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since codenrock.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- private, no-cache, no-store, max-age=0, must-revalidate
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://cdn.jsdelivr.net https://mc.yandex.ru https://mc.yandex.com https://top-fwz1.mail.ru https://easyrics.mail.ru https://ad.mail.ru https://privacy-cs.mail.ru https://storage.yandexcloud.net https://*.storage.yandexcloud.net https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdn.jsdelivr.net https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru; img-src 'self' data: blob: https://cdn.codenrock.com https://storage.codenrock.com https://storage.yandexcloud.net https://*.storage.yandexcloud.net https://mc.yandex.ru https://mc.yandex.com https://top-fwz1.mail.ru https://ad.mail.ru https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru https://s3.cloud.ru https://codenrock-platform-mirror-82aaec41.s3.cloud.ru https://contestfiles-public-82aaec41.s3.cloud.ru; font-src 'self' https://fonts.gstatic.com https://storage.codenrock.com https://storage.yandexcloud.net https://*.storage.yandexcloud.net https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru https://s3.cloud.ru https://codenrock-platform-mirror-82aaec41.s3.cloud.ru https://contestfiles-public-82aaec41.s3.cloud.ru; frame-src 'self' https://arena.codenrock.com https://www.youtube.com https://player.vimeo.com https://rutube.ru https://ok.ru https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru https://my.mail.ru https://dzen.ru https://t.me https://vkvideo.ru https://mts-link.ru https://*.mts-link.ru https://mc.yandex.ru https://mc.yandex.com; connect-src 'self' https://mc.yandex.ru https://mc.yandex.com wss://mc.yandex.ru wss://mc.yandex.com https://myip.codenrock.com https://codenrock.com https://storage.codenrock.com https://storage.yandexcloud.net https://*.storage.yandexcloud.net https://top-fwz1.mail.ru https://easyrics.mail.ru https://ad.mail.ru https://privacy-cs.mail.ru https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru https://s3.cloud.ru https://codenrock-platform-mirror-82aaec41.s3.cloud.ru; media-src 'self' https://storage.codenrock.com https://storage.yandexcloud.net https://*.storage.yandexcloud.net https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru https://s3.cloud.ru https://codenrock-platform-mirror-82aaec41.s3.cloud.ru https://contestfiles-public-82aaec41.s3.cloud.ru; worker-src 'self' blob:; object-src 'none'; base-uri 'self'; form-action 'self' https://vk.com https://*.vk.com https://vk.ru https://*.vk.ru
- Strict-Transport-Security
- max-age=31536000; includeSubDomains; preload
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- strict-origin-when-cross-origin
- Permissions-Policy
- camera=(), microphone=(), geolocation=(), interest-cohort=()
Redirect chain
- 1.
http://codenrock.com/HTTP 301→ https://codenrock.com/
- 2.
https://codenrock.com/HTTP 200
Meta tags
- Title
- Codenrock — актуальный календарь и платформа для хакатонов, ML-соревнований, CTF и соревнований по алгоритмическому программированию в России
- Description
- Календарь хакатонов, ML-соревнований, CTF и соревнований по алгоритмическому программированию России в 2026 году. Присоединяйтесь на codenrock.com.
- Canonical
- https://codenrock.com
- Robots
- index, follow
- Generator
- Not set
- Open Graph title
- Codenrock — актуальный календарь и платформа для хакатонов, ML-соревнований, CTF и соревнований по алгоритмическому программированию в России
- Open Graph description
- Календарь хакатонов, ML-соревнований, CTF и соревнований по алгоритмическому программированию России в 2026 году. Присоединяйтесь на codenrock.com.
- Open Graph image
- https://codenrock.com/images/landing/banners/Code_Battle.jpg
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- Codenrock — актуальный календарь и платформа для хакатонов, ML-соревнований, CTF и соревнований по алгоритмическому программированию в России
- Twitter image
- https://codenrock.com/images/landing/banners/Code_Battle.jpg
robots.txt
- Disallow rules (User-agent: *)
- 9
- Disallow rules (other agents)
- 27
Sitemaps declared:
https://codenrock.com/sitemap.xmlhttps://codenrock.com/blog/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Next.jsframework
Found "_next/static/" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.