Domain does not respond

Okay guys I found the solution. I have https and I deployed my server at port 80, and I searched, it is for http. So I changed it to https port, 443. Now it works correctly. I have my website on the internet with my own domain, yeaaaaaaaaaaaah!

check:
https://st-cloud.co

Now I need SSL certificate :)

Um… what is the domain URL?

We want to help but we are not mind-readers here :-)

Also, pointing your registrar to Linode's name servers is not enough. You have to set up all manner of A/AAAA, CNAME, MX, RDNS, etc records at at Linode. That doesn't happen automagically when you create a Linode.

-- sw

my domain:
st-cloud.co
When I assigned it to linode my A/AAAA Records automatically filled.
And also I bought it from namecheap.com then I wrote nameservers on this website. I mean everything looks correct. I can reach my server using IP, but not using domain.

my MX is filled
CNAME is empty and I dont see RDNS

Here's what I get:

stevewi:~ $ dig st-cloud.co

; <<>> DiG 9.10.6 <<>> st-cloud.co
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42612
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;st-cloud.co.            IN  A

;; ANSWER SECTION:
st-cloud.co.        86336   IN  A   172.104.135.55

;; Query time: 5 msec
;; SERVER: 2001:558:feed::1#53(2001:558:feed::1)
;; WHEN: Mon Dec 19 11:56:47 PST 2022
;; MSG SIZE  rcvd: 45

stevewi:~ $ whois 172.104.135.55
% IANA WHOIS server
...lots of stuff omitted here that verifies 172.104.135.55 belongs to Linode...

stevewi:~ $ curl http://172.104.135.55
curl: (56) Recv failure: Connection reset by peer

stevewi:~ $ curl https://172.104.135.55
curl: (7) Failed to connect to 172.104.135.55 port 443 after 183 ms: Couldn't connect to server

stevewi@bill:~ $ telnet 172.104.135.55 80
Trying 172.104.135.55...
telnet: connect to address 172.104.135.55: Connection refused
telnet: Unable to connect to remote host

stevewi:~ $ telnet 172.104.135.55 443
Trying 172.104.135.55...
Connected to 172-104-135-55.ip.linodeusercontent.com.
Escape character is '^]'.
^CConnection closed by foreign host.

stevewi:~ $ curl https://172-104-135-55.ip.linodeusercontent.com.
curl: (60) SSL certificate problem: self signed certificate
More details here: https://curl.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.

That's about as far as I can go…

-- sw

Guys thanks for answers, and I finally got my valid ssl certificate using certbot. It is totally secure. I am too happy right now.

https://st-cloud.co

But I dont use any tools like apache, nginx, wsgi. Do you think it is going to be a problem?