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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
example, a Child Name Server ns2.xyz.com can only be registered by the Owner of xyz.com.
Registering and Managing Child Name
Servers
-
Login to your Control
Panel, search for the domain name and proceed to the Order Details view.
Click here to read how >>
-
Click the Child Name
Servers link. Here, you may:
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 (IPv4 or IPv6) and click on Submit.
Examples
- For yourdomainname.com,
you may use the Host Name as ns1 and an IPv4 IP Address as 111.222.333.444.
- yourdomainname.biz could
have the Host Name as dns1 and an IPv6 IP Address as
2001:0db8:0:0:0:0:1428:57ab.
IMPORTANT
- Generally, a domain name can have any number of Child Name Servers
associated with it.
- You will encounter the below error message in case an
invalid or reserved IP Address is used -
Object does not exist
Reference:
IPv4 Address Space >>
IPv6 Address Space >>
- An IPv6 Address may be entered in either of the following
formats:
2001:0db8:0000:0000:0000:0000:20.40.87.171
2001:0db8:0000:0000:0000:0000:1428:57ab
2001:0db8:0000:0000:0000::1428:57ab
2001:0db8:0:0:0:0:1428:57ab
2001:0db8:0:0::1428:57ab
2001:0db8::1428:57ab
2001:db8::1428:57ab
- IPv6 Addresses are not supported for .NZ, .WS, .NAME and .CO domain
name extensions.
- 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 for IPv4 or AAAA
Record for IPv6 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 Similarly, you may add an AAAA Record as ns1.yourdomainname.com.
38400 IN AAAA 2001:0db8:0:0:0:0:1428:57ab ii. If you wish to simply
point your Name Servers to other Name Servers, then you may
do so either way:
- 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
- you may add an A/AAAA Record to your Service Provider's Name
Server IP Address (depending upon whether your Service Provider has an
IPv4 or IPv6), after buying Managed DNS service through them -
ns1.yourdomainname.com. 38400 IN A 777.888.999.000
ns1.yourdomainname.com.
38400 IN AAAA 2001:0db8:0:0:0:0:1428:57ab
- Generally, each Child Name Server 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 CentralNic (.EU.COM, .GB.COM, .AE.ORG, .KR.COM, .US.COM,
.QC.COM, .DE.COM, .GB.NET, .NO.COM, .HU.COM, .JPN.COM, .UY.COM,
.ZA.COM, .BR.COM, .CN.COM, .SA.COM, .SE.COM, .SE.NET, .UK.COM, .UK.NET
and .RU.COM.) domain names, each Child Name Server can have only
a single unique IP Address associated with it.
- 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 >>
Examples
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.
Apart from the above, 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, 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 >>
Examples
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.
Moreover, 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.
- Child Name Servers cannot be created under a .TEL domain
name, due to restrictions placed by the Registry Operator.
- A .CN domain name can only have upto 6 Child Name Servers
associated with it and each Child Name Server can have only a
single unique IP Address associated with it. If a particular IP
Address is already associated with any other .CN domain name's
Child Name Server registered through any Registrar, then it
cannot be used with any other Child Name Server under any other
.CN domain name.
Examples
i. You may Registrar a Child Name Server with the Host Name
"ns1" for yourdomainname.com.cn and associate 66.11.11.11 with
it. This Child Name Server would be created only if the IP
Address 66.11.11.11 is not already associated with any other .CN
domain name's Child Name Server registered through any
Registrar.
ii. Once you have registered a Child Name Server with the IP
Address 66.11.11.11 for yourdomainname.com.cn, you may add only
5 other Child Name Servers under this domain name but none of
them can be registered with 66.11.11.11.
- The total number of Name Servers and Child Name Servers taken together
should not exceed 10 in case of .NZ domain names.
Examples
i. Consider a domain name yourdomain.co.nz
with Name Servers as ns1.yourdomain.com and ns2.yourdomain.com. The total
number of additional Name Servers that can be added under yourdomain.co.nz
alongwith the Child Name Servers that can be created under yourdomain.co.nz
will be 8.
ii. On a similar note, a domain name yourdomain.co.nz is using its own Child
Name Servers ns1.yourdomain.co.nz and ns2.yourdomain.co.nz as its Name
Servers as well. Here, the total number of additional Name Servers that can
be added under yourdomain.co.nz, taken together with any new Child Name
Servers created under yourdomain.co.nz will be 6.
Moreover, each Child Name Server under a .NZ domain name can
have only one IPv4 Address associated with it. For example, you
may Registrar a Child Name Server with the Host Name "ns1" for yourdomainname.co.nz
and associate only a single IP Address of the form 66.11.11.11
with it.
Modifying a Child Name
Server
- Modifying the Hostname - Make the modifications in the Host Name textbox and
click on the Modify Host Name button.
IMPORTANT
If you modify the Hostname of a Child Name Server under a .NZ domain
name, you need to manually make necessary modification to the domain
name(s) using the original Child Name Server.
Example
Consider a domain name yourdomain.co.nz with a Child
name Sever as ns1.yourdomain.co.nz, which is being used as a Name
Server for yourdomain.com. If you modify the Hostname for
ns1.yourdomain.co.nz from ns1 to ns2, you need to manually modify
the Name Server for yourdomain.com from ns1.yourdomain.co.nz to
ns2.yourdomain.co.nz.
- Modifying the IP Address - Make the
modifications in the IP Address textbox and click on the Modify IP
Address
button.
IMPORTANT
- You will encounter the below error message in case an
invalid or reserved IP Address is used -
Object does not exist
Reference:
IPv4 Address Space >>
IPv6 Address Space >>
- An IPv6 Address may be entered in either of the following
formats:
2001:0db8:0000:0000:0000:0000:20.40.87.171
2001:0db8:0000:0000:0000:0000:1428:57ab
2001:0db8:0000:0000:0000::1428:57ab
2001:0db8:0:0:0:0:1428:57ab
2001:0db8:0:0::1428:57ab
2001:0db8::1428:57ab
2001:db8::1428:57ab
- IPv6 Addresses are not supported for .NZ, .WS, .NAME and .CO domain
name extensions.
Deleting a Child Name Server
Click on the Red Cross button to delete individual Child Name
Servers.
IMPORTANTYou
will encounter the below error message while
deleting a Child Name Server if this is being used by another domain
name of the same extension as a Name Server -
Object association prohibits operation
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).
You will need to modify the Name Servers of all
domain names using the Child Name Server as their authoritative Name
Server and try attempt the Child Name Server deletion.
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.
IMPORTANT
In case of all the above actions, you will encounter the below error message in case the domain name is locked/suspended at
the Registry (and not under our system) or an outbound Transfer for the
domain name to another Registrar is under process -
Domain Status does not allow this operation.
In case of
- a lock/suspension at the Registry, contact our Support Team at http://1anames.com/support
to know the reason for lock/suspension and how the lock/suspension may be removed.
- an outbound Transfer, you may
- either cancel the Transfer through link listed in the email sent to the
Registrant/Administrative Contact of the domain name and then perform the
required action, or
- wait for the Transfer to complete and then carry out the desired
action at the New Registrar.
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