Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 35.173.228.115 |
| Server Software | nginx |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 35.173.228.115
Server Software nginx
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 217.3 ms |
| TCP Connect | 299.8 ms |
| TLS Handshake | 85.4 ms |
| Time To First Byte (TTFB) | 468.3 ms |
| Content Download | 0.1 ms |
| Total Response Time | 468.3 ms |
DNS Lookup 217.3 ms
TCP Connect 299.8 ms
TLS Handshake 85.4 ms
Time To First Byte (TTFB) 468.3 ms
Content Download 0.1 ms
Total Response Time 468.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | 28.com - 跨越周期的数字黄金 |
| Meta Description | 28.com是一个拥有真实商业历史的两位数字.com域名，属于全球仅100个的稀缺数字资产，正在出售。 |
Title 28.com - 跨越周期的数字黄金
Meta Description 28.com是一个拥有真实商业历史的两位数字.com域名，属于全球仅100个的稀缺数字资产，正在出售。
Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare Nginx |
Technology Google Analytics Google Tag Manager Cloudflare Nginx
HTTP Headers
| Server
| nginx |
| Date
| Thu, 20 Aug 2026 07:46:09 GMT |
| Content-type
| text/html |
| Last-modified
| Sat, 28 Feb 2026 03:23:46 GMT |
| Vary
| Accept-Encoding |
| Etag
| W/"69a25fc2-43f" |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| Alt-svc
| quic=":443"; h3=":443"; h3-29=":443"; h3-27=":443";h3-25=":443"; h3-T050=":443"; h3-Q050=":443";h3-Q049=":443";h3-Q048=":443"; h3-Q046=":443"; h3-Q043=":443" |
| Content-encoding
| gzip |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
| Description | 28.com是一个拥有真实商业历史的两位数字.com域名，属于全球仅100个的稀缺数字资产，正在出售。 |
Server nginx
Date Thu, 20 Aug 2026 07:46:09 GMT
Content-type text/html
Last-modified Sat, 28 Feb 2026 03:23:46 GMT
Vary Accept-Encoding
Etag W/"69a25fc2-43f"
Strict-transport-security max-age=31536000; includeSubDomains; preload
Alt-svc quic=":443"; h3=":443"; h3-29=":443"; h3-27=":443";h3-25=":443"; h3-T050=":443"; h3-Q050=":443";h3-Q049=":443";h3-Q048=":443"; h3-Q046=":443"; h3-Q043=":443"
Content-encoding gzip
