EDITING A LINUX DNS SERVER

Editing a Linux DNS server consists updating General Settings, Custom Settings, SOA Settings, and SPF Settings sections.

Update the DNS Server information as follows:

General Settings

DNS Server Type:

Displays the name of DNS server selected in the Global Settings.

Conf File Path:

Here Provide the config file path.

• MS DNS:C:\WINNT\System32\DNS

• Simple DNS Plus:C:\Program Files\Simple DNS Plus

• Bind DNS:C:\WINNT\System32\DNS\etc

Primary Name Server:

Update the primary authoritative name server. For example, ns1.pizza.com.

Secondary Name Server:

Update the secondary authoritative name server. For example, ns2.pizza.com. Also update the Third Name Server and Fourth Name Server.

Admin Email Address:

This is the mail address returned to user when DNS is queried. For example, admin.domain.com.

Custom Settings

Record Name:

This is the name of the record.

Record Type:

This is the record type. For example, MX MX is short for exchange record, which is an entry in a domain name database which identifies the mail server responsible for e-mails for that domain name. Each domain can have multiple mail routes, each assigned a priority number. The mail route with the lowest number identifies the server responsible for the domain. Other mail servers listed can be used as backups. or CNAME CName is short for canonical name. It refers to a record in a DNS database which indicates the canonical or the host name of a computer that its aliases are associated with. For example, www is a canonical name of the domain MyDomain.com, which means that MyDomain can also be accessed by www.MyDomain.com.

Record Data:

This is the actual data of the record.

Following two CNAME records are created by control panel as a result of this setting

• ftp IN CNAME @

• www IN CNAME @

Following two MX records are created by control panel as a result of this setting

• @ IN MX [MX First Priority #] @

• @ IN MX [MX Second Priority #] mail

You can Edit | Delete these records.

You can also Add New Records.

SOA Settings

Refresh Time:

It is the refresh time for the SOA settings. It is a 32 bit value of time unit (second). Its default value is 3600. It is the time for a slave to refresh the specific zone for its master.

Number of Retries:

It is 32 bit value of time unit (second). Its default value is 600 and its range is 180-900.

Expire Time:

It is the expire time for the SOA settings. Its default value is automatically given but you can change this value if required.

TTL:

It is Time to Live and its default value is 3600.