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100dayscss.com
Challenge yourself and become a CSS expert in 100 days. Be creative, submit your result and check out what others have created. No Registration and completely free.
At a glance
- Category
- Other
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 2016
- Hosting
- dogado GmbHInferred
- HTTPS certificate trusted
- PassedObserved
- Last updated
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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 2016, this domain has about 10 years of history. That suggests continuity, although ownership and purpose may have changed. The domain uses the common .com 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 alfahosting.info, indicating managed DNS hosting. MX records point to the secure-mailgate.com 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 4096-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 nginx without an exact version. No explicit CDN or WAF marker was found in the response headers.
Technology Stack Analysis
The public page identifies nginx without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
The meta description has 164 characters and may be shortened in search results. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 22 characters, within a common display range. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
Germany
Inferred
81.88.34.44
Registration details
| Registrar | united-domains GmbH |
|---|---|
| Registered | 2016-02-07 |
| Expires | 2027-02-07 |
| Domain status | active |
| Nameservers | cns1.alfahosting.info、cns2.alfahosting.info、cns3.alfahosting.info |
| DNSSEC | unsigned |
DNS records
TLS and certificates
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | max-age=0, public |
| server | nginx |
Identified technologies
Pages, Search and Sharing
| Meta description | Challenge yourself and become a CSS expert in 100 days. Be creative, submit your result and check out what others have created. No Registration and completely free. |
|---|---|
| Canonical URL | https://100dayscss.com/ |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
0 rulesNo rules found
No matching rules.
Sitemaps
1Recent Updates
- Website images
- Screenshots
User reviews (0)