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Gossimer’s Premier Web Hosting and Domain Registration Knowledgebase.
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07 Jul 10 Creating / Modifying various Resource Records [A, MX, CNAME, NS, TXT, SOA]

The managed DNS Service by Gossimer is a very simple and user friendly interface, which allows you to Add/Modify  A, MX, CNAME, NS, TXT & SOA Records.

In order to add records,

1. Login to your Control Panel and search for the Domain name for which you have purchased this service. Click here to learn how >>

2. In the Orders details, click on Manage Records. A new interface will pop-up where you may add any of the following records

I. Address (A) Record

  1. Click on A Records -> Add A Record.
     
  2. There you would find 3 fields
     
    • Host Name: Here the Domain Name for which you are adding the A Record for, would be pre-filled (e.g. yourdomainname.com). Now, if you wish to Add record for my.yourdomainname.com, then you would have to put in my the text box. If you wish to enter A record for just yourdomainname.com, then you can leave this box blank.
       
    • Destination IP Address: Here you would have to enter the IP Address of the Web Server, where you wish to host this domain name.
       
    • TTL: This is the Time To Live for this record, in seconds. Any Server which once queries this record will update this record after this time interval. The ideal TTL is 86400, which is 1 day. It can not be set to less than 14400, i.e. 4 hours.
       
  3. Click on the Add Record button to submit your record.

 

II. MX Record

  1. Click on MX Records -> Add MX Record.
     
  2. There you would find 4 fields
     
    • Zone: The domain name for which you setting an MX Record needs to be entered as the Zone. If you are configuring the mail server for yourdomainname.com, such that you can receive mails@yourdomainname.com, then you need to leave this field blank.
       
    • Value: This is the Mail Server Domain Name. If you are yourself managing your Mail Servers, then you may set the Value in the format – mail.yourdomainname.com.
       
    • If you are using another Internet Service Provider’s Mail Server, then you need to enter a Fully Qualified Domain Name like mail.isp.com. Note that a Fully Qualified Domain Name always ends with a "." in the end.
       
    • TTL: This is the Time To Live for this record. Any Server which once queries this record will update this record after this time interval. The ideal TTL is 86400 which is 1 day. It can not be set to less than 14400, i.e. 4 hours.
       
    • MX Priority: An MX Record has a Preference number indicating the order in which the mail server should be used (only relevant when multiple MX Records are defined for the same domain name). Mail servers will attempt to deliver mail to the server with the lowest preference number first, and if unsuccessful, continue with the next lowest and so on.
       
  3. Click on the Add Record button to submit your record.

 

III. CNAME Record

  1. Click on CNAME Records -> Add CNAME Record.
     
  2. There you would find 3 fields
     
    • Host Name: If you wish to Add a CNAME Record for yourdomainname.com like manage.yourdomainname.com or www.yourdomainname.com, then enter the Host Name as manage or www  in this text box.
       
    • Value: This is the Destination for the CNAME created. Thus, if you wish to create a CNAME Record for www.yourdomainname.com pointing to yourdomainname.com, then you would have to enter yourdomainname.com. in this text box.
       
    • TTL: This is the Time To Live for this record. Any DNS Server which once queries this record will update this record after this time interval. The ideal TTL is 86400, which is 1 day. It can not be set to less than 14400, i.e. 4 hours.
       
  3. Click on the Add Record button to submit your record.

 

IV. NS Record

  1. Click on NS Records -> Add NS Record.
     
  2. There you would find 3 fields
     
    • Zone: If you wish to create a Name Server for a sub-domain like ns1.subdomain.yourdomainname.com, then enter the Zone as subdomain.yourdomainname.com in this text box.
       
    • Value: This is the Name of the Name Server to be created or another Fully Qualified Domain Name that you want to make responsible for this Zone. Thus, if you wish to create an NS Record for subdomain.yourdomainname.com, you may enter the value as ns1.subdomain.yourdomainname.com. Or, you may want a Name Server like ns1.subdomain.yourdomainname.com to be delegated to another Fully Qualified Domain Name like dns1.anyotherns.com.
       
    • TTL: This is the Time To Live for this record. Any DNS Server which once queries this record will update this record after this time interval. The ideal TTL is 86400, which is 1 day. It can not be set to less than 14400, i.e. 4 hours.
       
  3. Click on the Add Record button to submit your record.

 

V. TXT Record

  1. Click on TXT Records -> Add TXT Record.
     
  2. There you would find 3 fields
     
    • Host Name: If you wish to Add a TXT Record for yourdomainname.com like yourdomainname.com, then leave the Host Name text box blank.
       
    • Value: 255 characters of free form text can be provided in this field. This record is generally used to convey information about the zone.

      For example, you may add a TXT Record for mail.yourdomainname.com with the value as "This is my mail server". Here if anybody was checking ALL or TXT records of mail.yourdomainname.com, they would notice the above text appearing in the TXT record.
       

    • TTL: This is the Time To Live for this record. Any DNS Server which once queries this record will update this record after this time interval. The ideal TTL is 86400, which is 1 day. It can not be set to less than 14400, i.e. 4 hours.
       
  3. Click on the Add Record button to submit your record.

 

VI. SOA Parameters

The moment you buy Managed DNS Service from Gossimer, a default Start Of Authority [SOA] Record is created for your domain name. To modify your SOA Record -

  1. Click on SOA Parameters -> Modify Record.
     
  2. There you would find 5 fields
     
    • TTL: This is the Time To Live for this record. Any DNS Server which once queries this record will update this record after this time interval. The ideal TTL is 86400, which is 1 day. It can not be set to less than 14400, i.e. 4 hours.
       
    • Serial: This is a number that is automatically generated by our Servers. All Secondary Name Servers cache the Serial Number in the SOA Record, such that when a Serial Number change is detected by Secondary DNS Servers, it updates its Records with the changes. This number is automatically increased by our Servers when changes to the Zone or its Records are made.
       
    • Refresh: The Refresh Interval indicates how often Secondary Name Servers should check if changes are made to the Zone. You can decide your own value for this Interval.
       
    • Retry: The Retry Interval indicates how often the Secondary Name Servers should retry checking, if changes are made – if the first refresh fails.
       
    • Expire: The Retry Interval indicates how long the Zone will be valid after a refresh. Secondary Servers will discard the Zone, if no refresh could be made within this interval.
       
  3. Click on the Modify Record button to submit your changes.
     
IMPORTANT

Upon adding any Managed DNS Record, you are required to make modifications to your domain name’s Name Servers as well. Click here to know how you can start using your Managed DNS service >>
 

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01 Jul 10 Registering and Managing Child Name Servers

Child Name Servers are Name Servers which are registered with the Registry under your domain name. You have to register Name servers with the Registry, before you can use them as Name Servers for registering domain names. Child Name Servers can be registered only by the owner of the domain name under which they are registered. For instance, a Child Name Server ns2.xyz.com can only be registered by the Owner of xyz.com.

Managing Child Name Servers

  1. Login to your Control Panel, search for the domain name and proceed to the Order Details view. Click here to read how >>
     
  2. Click on the Manage Child Name Server button.

Here, you can:

Add a Child Name Server

Enter the Host Name of the Child Name Server you wish to add in the Host Name box, key in its IP Address and click on Submit.

For example, for yourdomainname.com, you may use the Host Name as “ns1″ and IP Address as “111.222.333.444″.
 

IMPORTANT

  1. A domain name can have any* number of Child Name Servers associated with it.
     
  2. Each Child Name Server (except for .EU and .UK domain names) can have upto 13 unique IP Addresses associated with it. For example, you can Registrar a Child Name Server with the Host Name “ns1″ and associate upto 13 unique IP Addresses with this Host Name.In case of .EU domain names, each Child Name Server can have upto 9 unique IP Addresses associated with it. For example, you can Registrar a Child Name Server with the Host Name “ns1″ for yourdomainname.eu and associate upto 9 unique IP Addresses with this Host Name.

    In case of .UK domain names, each Child Name Server can have only a single unique IP Address associated with it. For example, you can Registrar a Child Name Server with the Host Name “ns1″ for yourdomainname.uk and associate only a single unique IP Address with this Host Name.
     

  3. Registering a Child Name Server as mentioned above is just the first step. The Child Name Server needs to be registered at the Registry to only serve as a non-authoritative Record should your Child Name Server not be resolvable in some extreme condition.This Name Server would start working only after you have added an Address (A) Record or Canonical (CNAME) Record for this Name Server within the Zone for the domain name (of this Child Name Server) at your own DNS Server, thus binding the NS to the IP Address.

    Examples

    i. If you are running your own DNS Servers, then you would need to add a Zone for the domain name yourdomainname.com and create an A Record like

    ns1.yourdomainname.com. 38400 IN A 111.222.333.444

    ii. If you wish to simply point your Name Servers to another Name Servers, then you may do so either way -

    1. you may either add a CNAME Record to your Service Provider’s Name Server, after buying Managed DNS service through them - 

      ns1.yourdomainname.com. 38400 IN CNAME ns1.serviceprovider.com,

      or
       

    2. you may add an Address Record to your Service Provider’s Name Server IP Address, after buying Managed DNS service through them -ns1.yourdomainname.com. 38400 IN A 777.888.999.000
  4. *In case of .EU domain names, all Child Name Servers that you create/add, are automatically associated with that .EU domain name as a Name Server. Due to this limitation, you will only be able to add upto 9 Child Name Servers for .EU domain names (Note: The maximum number of Name Servers that can be associated with any .EU domain name is 9). If you have already added other Name Servers (not Child Name Servers of this .EU domain name), then the number of Child Name Servers that you can create would reduce by that many. Click here to know more about Name Servers >>Example

    i. yourdomainname.eu

    Child Name Servers created – ns1.yourdomainname.eu and ns2.yourdomainname.eu
    Thus, Name Servers automatically added for this domain name – ns1.yourdomainname.eu and ns2.yourdomainname.eu

    ii. yourotherdomainname.eu

    Name Servers used – ns1.hostingprovider.com, ns2.hostingprovider.com
    Child Name Servers created – ns1.yourotherdomainname.eu, ns2.yourotherdomainname.eu
    Thus, Name Servers automatically added for this domain name – ns1.yourotherdomainname.eu, ns2.yourotherdomainname.eu

    So in all 4 Name Servers will be associated with yourotherdomainname.eu – ns1.hostingprovider.com, ns2.hostingprovider.com, ns1.yourotherdomainname.eu, ns2.yourotherdomainname.eu

    This means that now for the domain name yourotherdomainname.eu, you can only add upto 5 other Child Name Servers or Name Servers since every time you create a Child Name Server, it gets automatically associated with the .EU domain name as a Name Server.
     

  5. *In case of .UK domain names, all Child Name Servers that you create/add, are automatically associated with that .UK domain name as a Name Server. Due to this limitation, you will only be able to add upto 10 Child Name Servers for .UK domain names (Note: The maximum number of Name Servers that can be associated with any .UK domain name is 10). If you have already added other Name Servers (not Child Name Servers of this .UK domain name), then the number of Child Name Servers that you can create would reduce by that many. Click here to know more about Name Servers >> 

    Example

    i. yourdomainname.uk

    Child Name Servers created – ns1.yourdomainname.uk and ns2.yourdomainname.uk
    Thus, Name Servers automatically added for this domain name – ns1.yourdomainname.uk and ns2.yourdomainname.uk

    ii. yourotherdomainname.uk

    Name Servers used – ns1.hostingprovider.com, ns2.hostingprovider.com
    Child Name Servers created – ns1.yourotherdomainname.uk, ns2.yourotherdomainname.uk
    Thus, Name Servers automatically added for this domain name – ns1.yourotherdomainname.uk, ns2.yourotherdomainname.uk

    So in all 4 Name Servers will be associated with yourotherdomainname.uk – ns1.hostingprovider.com, ns2.hostingprovider.com, ns1.yourotherdomainname.uk, ns2.yourotherdomainname.uk

    This means that now for the domain name yourotherdomainname.uk, you can only add upto 6 other Child Name Servers or Name Servers since every time you create a Child Name Server, it gets automatically associated with the .UK domain name as a Name Server.

  6.  

Modifying a Child Name Server

Modifying the Hostname – Make the modifications in the Host Name textbox and click on the Modify Host Name button.
Modifying the IP Address – Make the modifications in the IP Address textbox and click on the Modify IP Address button.

Deleting a Child Name Server

Click on the Red Cross button.

IMPORTANT

You may get an error while Deleting a Child Name Server if this is being used by another domain name of the same extension as a Name Server.

For Example,

If the Child Name Server ns1.yourdomainname.com is being used by xyz.com as its Name Server, then you will not be able to delete ns1.yourdomainname.com until xyz.com modifies its Name Server (to some other Name Server).

However, if xyz.info was using ns1.yourdomainname.com as its Name Server, then you would not face any issue while deleting your Child Name Server - ns1.yourdomainname.com.

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