Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 52.20.84.62 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 52.20.84.62
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://qdb.com:443 | 302 | HTTP/2 302 |
| 2 | https://www.atom.com/name/QDB | 200 | HTTP/2 200 |
#1 URL https://qdb.com:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://www.atom.com/name/QDB
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 49.8 ms |
| TCP Connect | 51.9 ms |
| TLS Handshake | 44.5 ms |
| Time To First Byte (TTFB) | 132 ms |
| Content Download | 6.5 ms |
| Total Response Time | 138.5 ms |
DNS Lookup 49.8 ms
TCP Connect 51.9 ms
TLS Handshake 44.5 ms
Time To First Byte (TTFB) 132 ms
Content Download 6.5 ms
Total Response Time 138.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | QDB.com — Premium Domain For Sale | Atom |
| Meta Description | QDB.com is a verified premium domain available for purchase. Buy now or pay in installments. Free transaction support, no extra fees. |
| Canonical | https://www.atom.com/name/QDB |
| Open Graph Title | QDB.com — Premium Domain For Sale |
| Open Graph Description | QDB.com is the ultimate three-letter domain for the modern startup world. Short, sweet, and easy to remember, this name exudes confidence and professionalism. With its sleek and futuristic sound, QDB.com is perfect for tech companies, finan |
| Open Graph Image | https://img.atom.com/story_images/visual_images/logo-imag... |
| Twitter Card | summary_large_image |
| Twitter Title | QDB is for sale at Atom.com! |
| Twitter Description | QDB.com is the ultimate three-letter domain for the modern startup world. Short, sweet, and easy to remember, this name exudes confidence and professionalism. With its sleek and futuristic sound, QDB.com is perfect for tech companies, finan |
| Twitter Image | https://img.atom.com/story_images/visual_images/logo-imag... |
Title QDB.com — Premium Domain For Sale | Atom Meta Description QDB.com is a verified premium domain available for purchase. Buy now or pay in installments. Free transaction support, no extra fees. Canonical https://www.atom.com/name/QDB Open Graph Title QDB.com — Premium Domain For Sale Open Graph Description QDB.com is the ultimate three-letter domain for the modern startup world. Short, sweet, and easy to remember, this name exudes confidence and professionalism. With its sleek and futuristic sound, QDB.com is perfect for tech companies, finan Open Graph Image https://img.atom.com/story_images/visual_images/logo-imag... Twitter Card summary_large_image Twitter Title QDB is for sale at Atom.com! Twitter Description QDB.com is the ultimate three-letter domain for the modern startup world. Short, sweet, and easy to remember, this name exudes confidence and professionalism. With its sleek and futuristic sound, QDB.com is perfect for tech companies, finan Twitter Image https://img.atom.com/story_images/visual_images/logo-imag... Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare PHP Node.js Intercom |
Technology Google Analytics Google Tag Manager Cloudflare PHP Node.js Intercom
HTTP Headers
| Date
| Wed, 29 Jul 2026 00:09:00 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| cloudflare |
| Vary
| Accept-Encoding |
| Last-modified
| Mon, 27 Jul 2026 05:32:49 GMT |
| Expires
| Wed, 29 Jul 2026 00:09:01 GMT |
| Cache-control
| public, max-age=1 |
| Pragma
| no-cache |
| X-xss-protection
| 1; mode=block |
| X-frame-options
| SAMEORIGIN |
| X-content-type-options
| nosniff |
| Age
| 383203 |
| Cf-cache-status
| HIT |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| Speculation-rules
| "/cdn-cgi/speculation" |
| Set-cookie
| __cf_bm=MpbQbP_h8L9xHEpAnqIgPyqUP6z65z9xUI6kK56115A-1785283740.208911-1.0.1.1-YHANi4nzZQSOxY7dNBi81nnW75i0gLDg3X6ssmldHdsVxDRS3yAbBic39pycD13BbCqJpD8ixu.B_BKRPtFyJUaBSjIuHNGEggdnVCN1DjHM6jv7dx5vR2hzkkq5z6iE; HttpOnly; SameSite=None; Secure; Path=/; Domain=atom.com; Expires=Wed, 29 Jul 2026 00:39:00 GMT |
| Content-encoding
| gzip |
| Cf-ray
| a227e470492e98a1-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| X-UA-Compatible | IE=edge |
| Fb:app_id | 110109922373970 |
| Description | QDB.com is a verified premium domain available for purchase. Buy now or pay in installments. Free transaction support, no extra fees. |
| Author | Atom |
Date Wed, 29 Jul 2026 00:09:00 GMT
Content-type text/html; charset=utf-8
Server cloudflare
Vary Accept-Encoding
Last-modified Mon, 27 Jul 2026 05:32:49 GMT
Expires Wed, 29 Jul 2026 00:09:01 GMT
Cache-control public, max-age=1
Pragma no-cache
X-xss-protection 1; mode=block
X-frame-options SAMEORIGIN
X-content-type-options nosniff
Age 383203
Cf-cache-status HIT
Strict-transport-security max-age=31536000; includeSubDomains; preload
Speculation-rules "/cdn-cgi/speculation"
Set-cookie __cf_bm=MpbQbP_h8L9xHEpAnqIgPyqUP6z65z9xUI6kK56115A-1785283740.208911-1.0.1.1-YHANi4nzZQSOxY7dNBi81nnW75i0gLDg3X6ssmldHdsVxDRS3yAbBic39pycD13BbCqJpD8ixu.B_BKRPtFyJUaBSjIuHNGEggdnVCN1DjHM6jv7dx5vR2hzkkq5z6iE; HttpOnly; SameSite=None; Secure; Path=/; Domain=atom.com; Expires=Wed, 29 Jul 2026 00:39:00 GMT
Content-encoding gzip
Cf-ray a227e470492e98a1-CDG
Alt-svc h3=":443"; ma=86400
