Setting of DNS Records

Setting of DNS Records

How to set up DNS records?


Individual DNS records can be found through your service provider. (These steps can be different by each provider, one of them is Google Cloud, here you can see their steps.)

The settings of DNS records themselves must be done with the provider of  name servers,  where the DNS records are saved. Otherwise, the settings will not influence the workings of the domain itself.

 

Most used DNS records and what they influence:

A record: inserted is IPv4 address. Influences shown websites (website browser prefers IPv4).

AAAA: inserted is IPv6 address. Influences shown websites (website browser prefers IPv6).

CNAME: inserted is the domain name and only for a subdomain. Redirects subdomain on wanted domain.

MX: inserted is the name of the e-mail server (for example mx1.active24.com). This defines to where e-mails are supposed to be sent.


Reverse DNS records (PTR)

Reverse, called PTR record, is special record in DNS, which offers IP address translation to specific domain. It is reverse process managed by DNS system, which translates better remembered addresses to IP addresses. In that case as visitor of websites you have request from domain -> IP address. 

Your query starts with a domain, which means that you will find this setting through the domain administrator (specifically the DNS server administrator for the domains you set up). But if you wish to request from IP address - > domain, which is managed through reverse record (in case it is set), you have to contact IP address administrator. Which is the one, who offers this IP address, or simplier the internet connection provider (O2, UPC etc.). He can also make any changes to the settings. The reason why reverse records are actually used is primarily the authorization most often within e-mail communications. Some mail servers compare the sender just by the reverse IP address from which the messages are sent.

So, if you are interested in setting this reverse record for your IP address, contact your ISP.



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