techr.org Review

Titletag	Descriptiontag	language
techr.org \| 521: Web server is down		en-us

Alexarank
441375

Ip adress

172.67.209.10

Nameserver

dahlia.ns.cloudflare.com
merlin.ns.cloudflare.com

Status code

521

robots.txt

N/A

HTTP/1.1 301 Moved Permanently
Date: Fri, 21 Nov 2025 22:15:36 GMT
Content-Length: 0
Connection: keep-alive
Location: https://techr.org/
Vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=%2FcnJP%2F0GNZgiwQGCEbqRPjDXvGL%2B1dS0fn1GILBuUddEIOoNd7EGqIWjHOkkM9upDjlxw5DpR%2Bfh%2BNzURoF9dYo7Bc8nBvY%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server-Timing: cfEdge;dur=10,cfOrigin;dur=0
Server: cloudflare
CF-RAY: 9a238bf79f82f5c0-NRT
alt-svc: h3=":443"; ma=86400

HTTP/1.1 521 
Date: Fri, 21 Nov 2025 22:15:37 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 6953
Connection: keep-alive
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
Server-Timing: cfEdge;dur=269,cfOrigin;dur=0
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: 9a238bf80ca3611a-NRT
alt-svc: h3=":443"; ma=86400

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