How to Install DNS on Debian 7.8

The Domain Name System (DNS) is a hierarchical decentralized naming system for computers, services, or other resources connected to the Internet or private networks. It associates various information with domain names assigned to each participating entity. Most strikingly, this translates domain names that are easier to remember to the IPnumeric address needed to find and identify computer services and devices with the underlying network protocol. By providing distributed directory services worldwide, the Domain Name System has been an important component of Internet functionality since 1985.
The most common types of records stored in DNS databases are for Start Authority (SOA), IP addresses (A and AAAA), SMTP (MX) mail exchangers, name servers (NS), instructions for reverse DNS search (PTR), and alias names domain (CNAME). Although it is not intended to be a general purpose database, DNS has been expanded from time to time to keep records for other data types for automatic searches, such as DNSSEC records, or for human requests such as the person responsible (RP) records. As a general purpose database, DNS has also been used in combating unsolicited email (spam) by storing real-time black hole lists (RBL). DNS databases are traditionally stored in structured text files, zone files, but other database systems are common.

1. The first thing we have to do is set the ip address first
   
2. after that we restart
   
3. then we just install the dns, bind9
   
4. After installing Dns, the next step is to move to the bind directory and check the file in the bind directory
   
5. Open the file called db.local for us to configure
   
6. replace localhost with the domain that you want then on the last line add a subdomain that is www and give the ip that we previously set if you save then exit.
   
7. then open the db.127 file
   
8. Change localhost with the domain that we want, then on the last line add the debian ip end because we used ip 1.5.10.1 then the end is 1 and add www if it's saved then exit
   
9. After that, open the named.conf.default-zones file
   
10. Change localhost with our domain and on in-addr.arpa we enter ip but it is reversed because we set 1.5.10.1 so enter 10.5.1 because we have used the tip on db.127 if it is saved then exit
    
11. then we open the resolv.conf file to enter the nameservers
    
12. Enter the IP nameservers that were previously set up if you have saved then exit
    
13. Finally we restart bind9 then check the domain that we have created earlier
    

The conclusion:

The most common types of records stored in DNS databases are for Start Authority (SOA), IP addresses (A and AAAA), SMTP (MX) mail exchangers, name servers (NS), instructions for reverse DNS search (PTR), and alias names domain (CNAME). Although it is not intended to be a general purpose database

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