cheat-sheets.org
No paid content found
Categories: Development
All cheat sheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page.
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Updated: 2026-09-28 12:06
Language: English (default)
Access: Normal
Profile views 3
Outbound visits 2
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Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.
Domain and Registration
Registered in 2007, this domain has about 19 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses the common .org extension, which is not an independent safety signal.
DNS and Email
MX records exist, but SPF, DKIM and DMARC were not detected. Protection against domain impersonation may be incomplete. Nameservers are provided by masterhost.ru, indicating managed DNS hosting. MX records point to the masterhost.ru email service. No CNAME was found; the observed records resolve directly to addresses. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed.
TLS and Certificates
The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.
HTTP and Browser Security
The checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. The Server header identifies Apache without an exact version. No explicit CDN or WAF marker was found in the response headers.
Technology Stack Analysis
The public page identifies Apache without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. Open Graph is partially configured; og:image is missing. The title has 42 characters, within a common display range. A meta description is present, with 114 characters. The observed directives allow indexing and link following.
Hosting and Email
Hosting
Location
Russia
Pages, Search and Sharing
| Meta description | All cheat sheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page. |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Social Sharing Preview
6 fieldsSharing metadata
| og:url | https://cheat-sheets.org/ |
|---|---|
| og:type | website |
| og:title | Cheat-Sheets.org |
| og:locale | en_US |
| og:site_name | Cheat-Sheets.org |
| og:description | All cheat sheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page. |
robots.txt (opens in a new tab)
HTTP 404No robots.txt found
Sitemaps
0No sitemaps found
Registration details RDAP / WHOIS
| Registrar | Registrar of Domain Names REG.RU LLC |
|---|---|
| Registered | 2007-08-18 |
| Expires | 2027-08-18 |
| Domain status | client transfer prohibited |
| Nameservers | ns.masterhost.ru、ns1.masterhost.ru、ns2.masterhost.ru |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | cheat-sheets.org | 90.156.201.114 | 119 | — |
| A | cheat-sheets.org | 90.156.201.26 | 119 | — |
| A | cheat-sheets.org | 90.156.201.28 | 119 | — |
| A | cheat-sheets.org | 90.156.201.79 | 119 | — |
| AAAA | cheat-sheets.org | 2a00:15f8:a000:5:1:11:7:ed4b | 900 | — |
| AAAA | cheat-sheets.org | 2a00:15f8:a000:5:1:12:7:ed4b | 900 | — |
| AAAA | cheat-sheets.org | 2a00:15f8:a000:5:1:13:7:ed4b | 900 | — |
| AAAA | cheat-sheets.org | 2a00:15f8:a000:5:1:14:7:ed4b | 900 | — |
| MX | cheat-sheets.org | mx1.masterhost.ru | 900 | 10 |
| NS | cheat-sheets.org | ns.masterhost.ru | 900 | — |
| NS | cheat-sheets.org | ns1.masterhost.ru | 900 | — |
| NS | cheat-sheets.org | ns2.masterhost.ru | 900 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | *.cheat-sheets.org |
| Issuer | Let's Encrypt |
| Valid until | 2026-11-25T04:33 · Remaining when checked: 57 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | max-age=0 |
| server | Apache |
Identified technologies
User reviews (0)