Available Reports
Last Update
April, 2024
Security Profile
- Live site
- Secure connection (HTTPS)
- Certificate is expiring soon on May, 2024
- No outdated techologies detected
web4u.cz
website information and technology stack| Web technologies detected on this domain | 5 technologies |
| Web technologies detected across all web4u.cz subdomains | 66 technologies |
| Website rank | 22,623 |
| Website Location |  Czech Republic |
| Language | English |
| Last technology update | January, 2024 |
| Total web4u.cz subdomain count | 59 subdomains |
| Top ranking subdomain | |
| IP Address | 81.91.86.19 |
| IP Lookup | 2 websites share 81.91.86.19 IP address. |
| Autonomous System Number (ASN) | AS39790 (WEB4U) |
| Certificate Issuer | Let's Encrypt |
| Certificate Expiration Date | May, 2024 (Expiring soon ) |
Technology Stack
List of detected technologies used on the website.| Technology | Technology Type | Version | First detected | |
|---|---|---|---|---|
 ISO-8859-1 | Document Encoding | December, 2023 | ||
 Lets Encrypt | Certificate Authority | December, 2023 | ||
 OpenResty | Web Servers | December, 2023 | ||
| | Marketing Automation | December, 2023 | ||
| SPF1 | Email Security | December, 2023 |
Uncommon response headers
List of uncommon response headers that were used by the website.| Header | Value |
|---|---|
| Server | openresty |