I want to be guided with Name Servers are on the Same Subnet Problem as I checked in mxtoolbox.com website.
How to solve it, i am using oracle cloud with ubuntu linux image and webmin installed.
I want to be guided with Name Servers are on the Same Subnet Problem as I checked in mxtoolbox.com website.
How to solve it, i am using oracle cloud with ubuntu linux image and webmin installed.
This means that all of your domain’s name servers are hosted within the same IP subnet, which poses a potential issue for DNS redundancy and reliability. In this post, you shared a screenshot that clearly indicates both name servers are using the same IP address — which isn’t ideal. Ideally, your name servers should be separated both physically and logically to ensure greater resilience and fault tolerance.
What @Steini said about DNS redundancy is correct however there are many web hosting services which have both / all their nameservers on the same IP and it works fine when it does.
You could run a web hosting service or a vps with everything on a single IP address.
I think if you are running 10 small websites from home a single IP for your DNS and your Webserver is ok as the webserver is more than likely to fail than the DNS.
I have a cheap hosting server (2 in fact) that run on cPanel and they both have a single IP. for years this has been the way but if you have mission critical websites that cannot go down then a load balanced server with 2 DNS servers is probably the way to go.
good idea not to use them then
Well, yes, but there are underserved parts of the world and even parts of a country where infrastructure is limited and expectations are different.
I am not saying @HarshVardhanSolanki or I have that limitation but those who do must make do with one IP and they do manage.
I shall stop now lest I go off-topic
Remember when I told you that if you only have one DNS server you should not host your own DNS and should instead use your registrar DNS servers or some cloud services like Route 53?
That was good advice then, and it’s good advice now.
(But, also, it’s just a guideline and you can do anything you want, it’s your server and your websites. But, if you want all the checkers and such to be happy with you, you have to follow the guidelines.)
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