redirect sub domain to ip private

i has installing ipconfig in vm server for example have 2 ip addreess 1. 33.33.33.33(ip public) 2. 192.168.1.2 i want to redirect request for web server for test.com to 33.33.33.33 and it.s running i tried to setup subdomain etc.test.com to my ubuntu server have ip 192.168.1.3 it can't running, for information the ns record running on defrent ip ubuntu,from ns to isp config it's running, from ipconfig to web server of sub doman can ping by private ip

 

If you are testing locally you can add your server ip to you pc hosts file e.g. 1.2.3.4 sub.test.tld

 

What @ahrasis wrote. More info from https://www.faqforge.com/windows/how-to-access-a-namebased-website-without-a-dns-record/
Please fix the punctuation keys on your keyboard. And the key that makes uppercase first letter to words.

 

thx for the respond it's not for testing but for reall web server to acces my subdomain from internet

 

So your web host is multi-homed? https://en.wikipedia.org/wiki/Multihoming
Why not put also the subdomain website on the public IP-address?

 

limited public ip address

 

Understood but I think you got it wrong on one public ip issue. A web server with one public ip, even it is a dynamic one and/or behind a router, can serve multiple domains or sub domains.

 

can i get link or example configuration in ipconfig, this is my first expriences using ipconfig

 

Just create two websites in ISPConfig. Then arrange name service to resolve the domain names to your server or use the hosts file method to point to your server. No magic or special configurations needed.
If it does not work for you, read https://www.howtoforge.com/community/threads/please-read-before-posting.58408/

 

thank's al,l i has find the solution using nginx reverse proxy....