Lists.mailman3.com Down? Server Status Check

What is the status of the requested website's server? Is it down or not?

Checking the server status of this site using 3 different test methods clearly indicates that the:
Server for Lists.mailman3.com is not down, as both the TCP connection (HTTPS port 443) and Ping tests were successful.

Check the detailed results of all server status tests below, including the HTTP status code, TCP connection, and Ping test, along with the calculations used to conclude the website's server status.

 
Geolocation on the Map
Website Server Overview
Website: Lists.mailman3.com
Website Server: NGINX/1.27.3
Server IP: 167.235.230.142
Resolved Hostname: lists.mailman3.com
Website Server Status Check
Full Response HTTP Code Headers:
status:HTTP/1.1 301 Moved Permanently
Server:nginx/1.27.3
Date:Wed, 09 Jul 2025 15:12:23 GMT
Content-Type:text/html; charset=utf-8
Content-Length:10012
Connection:keep-alive
Location:/postorius/lists/
:
HTTP/1.1 301 Moved Permanently:
X-Content-Type-Options:nosniff
Referrer-Policy:same-origin
Cross-Origin-Opener-Policy:same-origin
X-Frame-Options:DENY
Vary:Accept-Language, Cookie
Content-Language:en
Strict-Transport-Security:max-age=31536000
HTTP/1.1 200 OK:
Ping Test Results:
PING lists.mailman3.com (167.235.230.142) 56(84) bytes of data.
TCP Connection Test:
Successfully connected to Lists.mailman3.com on port 443 (HTTPS).
Network Status
HTTP Status:Website server is not down - Returns HTTP status code 200: OK (Success). 2xx codes indicate that the request was received correctly and without error - 'Success'.
Server Ping Status:Server is not down (Ping successful).
TCP Connection Status:Ok (connected to port 443).
Overall Status:Server is up (TCP connection successful on HTTPS port 443. Ping test successful).
Server Speed Response
Server Response Time: 0.991 sec
Name Lookup Time (DNS resolution): 0.036 ms (miliseconds)
Connection Time: 0.041 ms (miliseconds)
Time to Start Transfer: 176.452 ms (miliseconds)
Content Transfer Time:814.446 ms (miliseconds)
Redirection Time:814.402 ms (miliseconds)
Download Speed: 9.87 KB/s
Performance:Speed needs improvement because server response is slower than 0.6 seconds.