Contents
Can multiple hostnames resolve to the same IP?
You need to be clear on what you mean by two hostnames. If you mean two physical boxes with the same IP address the answer is typically no. A case where you would is if serverA and serverB are working as an active-passive cluster then you would have each server have two addresses a piece.
Can you have two A records pointing to the same IP?
Having two A records is okay and there are no problems doing it. Just make sure that your PTR records points to the DNS name you want and it should be okay.
Can you have two A records?
You can do a lot with A records, including using multiple A records for the same domain in order to provide redundancy and fallbacks. Additionally, multiple names could point to the same address, in which case each would have its own A record pointing to that same IP address. The DNS A record is specified by RFC 1035.
How many hostnames can a Windows machine be assigned?
Under most operating systems, including all Unix variants (Linux, macOS, etc.) and Windows, there is one name that is known as the hostname, which is what the hostname command displays. You can change the hostname, but at any given point in time, there is only one hostname.
Can you host multiple servers on the same port?
Edit: In short you can not forward the same port to multiple hosts. Either use a single server or a reverse proxy.
What happens if you have multiple A records?
What happens when a domain have two different A record?
2 Answers. Yes you can. It is called round-robin DNS, and the browser just chooses one of them randomly. It is a well used method of getting cheap load balancing, but if one host goes down, users will still try to access it.
Is it possible to have two host names?
You need to be clear on what you mean by two hostnames. If you mean two physical boxes with the same IP address the answer is typically no. A case where you would is if serverA and serverB are working as an active-passive cluster then you would have each server have two addresses a piece.
How to configure multiple host names in Nginx?
Open a web browser and go to your domains to ensure that they are loading properly. That’s it! You can use the same steps to configure multiple subdomains on a single NGINX server. By the way, if you want to create charts & dashboards to monitor your website or business, you can try Ubiq.
Can a hostname use the same IP address?
Yes, it is possible for multiple hostnames to use the same ip address, the best practise is to use a CNAME record to point to the A record. bar.example.com.
Is it possible to have two domain names?
If yes: it is a very common configuration also: lot of companies buy lot of domain with different country top domain: xxx.com, xxx.net, xxx.org, etc. And all of them point to the same service, that is, to the same list of IP. If no: It is possible but not common and not recomended.