DNS Control

The service DNS Control gives you full access to the zone file of your domain so you can modify and Customize it depends on your needs.

If you wish to activate this service select from section

My domain -> Edit-> Free DNS Control-> Activation

When activating the service the nameserevers change to the default nameservers. There are ready-made templates with zone files pre-configured to suit specific services (gmail, blogger, wix, etc.) and a default template that you can use as template for multiple use. ξυπηρετούν συγκεκριμένες υπηρεσίες

In most default templates do not need to change anything except ip address

Below is a template default zone file and an explanation of the records:

$TTL 14400
@       IN      SOA     ns1.server40.net.      root.webtool.gr. (
                                                2010083001
                                                7200
                                                3600
                                                1209600
                                                86400 )

webtool.gr.      14400   IN      NS      ns1.server40.net.
webtool.gr.      14400   IN      NS      ns2.server40.net.

mail    14400   IN      A       62.103.149.58
webtool.gr.      14400   IN      A       62.103.149.58
www     14400   IN      A       62.103.149.58

webtool.gr.      14400   IN      MX      10 mail

webtool.gr. IN TXT "v=spf1 a mx ip4:62.103.149.58 +all"
 

$TTL 14400

TTL (Time -To – Live) is the lifetime of records that do not have their TTL record. If you create an MX record, A and did not give value to TTL then the TTL is 14400.

@ IN SOA ns1.server40.net. root.webtool.gr.

The SOA (Start Of Authority) sets general parameters for the domain. There is only one SOA record allowed in a zone file

2010083001 

The serial number of zone file consists of 2 parts. The first is the date (YYYYMMDD) and the second is an increase which is default at 01.
ATTENTION: Every time you make a change in the zone file should update the first part of the serial number with the current date. If the serial number is 2010083001, this means that the last change took place on 30/08/2010. If the current date is 29/06/2011 and you change something in the zone file, then change and serial number to 2011062901

7200 - Refresh
3600 - Retry
1209600 - Expiration Time
86400 - Minimum TTL

webtool.gr. 14400 IN NS ns1.server40.net.

ns1.server40.net is the nameserver for webtool.gr.

webtool.gr. 14400 IN NS ns2.server40.net.

ns2.server40.net is the backup nameserver for webtool.gr

mail 14400 IN A 62.103.149.58

It is a record A where showing that the mail.webtool.gr point to 62.103.149.58

webtool.gr. 14400 IN A 62.103.149.58

It is a record A where showing that the webtool.gr point to 62.103.149.58

www 14400 IN A 62.103.149.58

It is a record A where showing that the www.webtool.gr point to 62.103.149.58

webtool.gr. 14400 IN MX 10 mail 

It is a record A where showing that the mail.webtool.gr is the mailserver of webtool.gr

webtool.gr. IN TXT "v=spf1 a mx ip4: 62.103.149.58 +all"

It is a record SPF where showing that the webtool.gr send email from specific ip and from all others