They do show where they created the name server glue records, and we can see that change worked by looking at whois. We can clearly see where it isn’t working just by using the tools available on any Linux system.
I am using Ubuntu Linux, What is the problem in my configuration can anyone tell me.
Are you using Cloudflare?
No I am not using cloudflare, I already given you the screenshots what i am using.
I am using Oracle Cloud with Ubuntu Image in the linux installed webmin and in the webmin installed wordpress
The above ip address is from Oracle cloud
I need y’all to focus on one problem at a time. Cloudflare has nothing to do with this.
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I already told you what’s wrong (at least, the first thing that is wrong).
Re-read, and if you don’t understand what I’m saying, tell me what you don’t understand:
Previously used nameservers are from them.
You’re looking at cached information. I just showed how to check using whois, and I see the DNS server that OP configured.
I don’t understand this whole.
My Ip address is correct
as:
My firewall can be have error but i configured it well, may i know any error caughting command in ubuntu to get more specified help.
That’s not the reason DNS isn’t working, it’s just a piece of advice. You should have two DNS servers, and if you don’t have two DNS servers, you are best served by using a provider that does have two DNS servers. You don’t have to, but it’s a good practice.
But, the problem with your configuration is also shown in that comment (it isn’t configuration, it’s either a firewall, wrong IP, BIND isn’t running or something else). Your cloud provider may not allow port 53 without being explicitly configured to do so.
Connections to your DNS server time out. That is not a configuration problem in your zones or your glue records. It is a network layer problem, or BIND isn’t running.
$ nmap 140.245.16.10
Starting Nmap 7.92 ( https://nmap.org ) at 2025-03-25 13:26 CDT
Nmap scan report for 140.245.16.10
Host is up (0.29s latency).
Not shown: 996 filtered tcp ports (no-response)
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
443/tcp open https
10000/tcp open snet-sensor-mgmt
Nmap done: 1 IP address (1 host up) scanned in 16.87 seconds
I would guess your host does not forward port 53 unless explicitly configured to do so.
now 53 added check again
Nmap scan report for 140.245.16.10
Host is up (0.00040s latency).
Not shown: 994 filtered tcp ports (no-response)
PORT STATE SERVICE
22/tcp open ssh
53/tcp open domain
80/tcp open http
443/tcp open https
10000/tcp open snet-sensor-mgmt
20000/tcp open dnp
I also noticed that my domain name redirecting to www.harshvardhansolanki.com from harshvardhansolanki.com
Why don’t you check? I showed you how!
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Don’t change the subject. One problem per topic, please.
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Now what i do brother website isn’t working
I don’t know what you checked, but here’s what I see:
$ host ns1.harshvardhansolanki.com 140.245.16.10
;; communications error to 140.245.16.10#53: timed out
;; communications error to 140.245.16.10#53: timed out
;; no servers could be reached
$ host harshvardhansolanki.com 140.245.16.10
;; communications error to 140.245.16.10#53: timed out
;; communications error to 140.245.16.10#53: timed out
;; no servers could be reached
$ nmap 140.245.16.10
Starting Nmap 7.92 ( https://nmap.org ) at 2025-03-25 13:41 CDT
Nmap scan report for 140.245.16.10
Host is up (0.27s latency).
Not shown: 994 filtered tcp ports (no-response)
PORT STATE SERVICE
22/tcp open ssh
53/tcp open domain
80/tcp open http
443/tcp open https
10000/tcp open snet-sensor-mgmt
20000/tcp open dnp
So, something is still wrong, but it seems like the cloud providers firewall has been opened correctly. But, BIND is not answering.
You solve one problem at a time, and you start a new topic for new problems. The current problem is DNS.
As far as I can tell, you have not solved DNS. You have solve one part of the problem, but I still can’t resolve any names in your zone, and the symptom is the connection to your DNS server is timing out. You need to solve that problem first.
How can i identify the problem provide commands for ubuntu?