# DNS / URL-Forwarding
## Create a dns-configuration
**Introduction**
With this request you can create or modify a zonefile at the joker-nameserver.
You can add A-Records, CNAME-Records, MX-Records, a nameservice-based Url-forwarding and a frame-based Url-forwarding. Modifing the TTL is not possible.
The format of this request is a little bit different from the other requests. Please check the given examples for how to specify the different zonefile-records.
**ATTENTION:
**
You have to change the nameservers for a domain to the nameservers of joker.com first!
- a.ns.joker.com
\- b.ns.joker.com
\- c.ns.joker.com
If you would like to use the joker-nameservice, you will have to use **all** joker-nameservers.
It is **not** possible to use the joker-nameservice
- for primary nameservice only
- for secondarynameservice only
**All** joker-nameservers
- are configured to deny all zone-fetching requests!
- do not query foreign nameservers!
**Request Fields**
Definition of this request
| request-field | valid values | required |
| domains0 | @fqdn | yes |
| A | @a\_record | no |
| CNAME | @cname\_record | no |
| MX | @mx\_record | no |
| URL | @url\_record | no |
| FRAME | @url\_record | no |
Example 1: **create dns-config** (without url-forwarding and without wildcard-matching)
subject: create dns-config \[your reference id\]
domains0:hansnose.net
A:www:194.33.110.19
A:mail:194.33.110.19
A:mail2:194.33.110.20
A:@:194.33.110.10
MX:www.hansnose.net:70:mail.nrw.net
MX:www.hansnose.net:80:mail2.nrw.net
MX:@:70:mail.hansnose.net
MX:@:80:mail2.hansnose.net
CNAME:www3:some.other.domain.com
Example 2: **create dns-config** (with wildcard-matching)
subject: create dns-config \[your reference id\]
domains0:hansnose.net
A:www:194.33.110.19
A:@:194.33.110.19
A:\*:194.33.110.20
Example 3: **create dns-config** (with dns**-**based url-forwarding)
subject: create dns-config \[your reference id\]
domains0:hansnose.net
A:www:194.33.110.19
A:@:194.33.110.19
URL:www2:http://www.sone.other.domain.com/index.html
*(that means, the url within the browserbar is changing to the target address)*
Example 4: **create dns-config** (with frame**-**based url-forwarding)
subject: create dns-config \[your reference id\]
domains0:hansnose.net
A:www:194.33.110.19
A:@:194.33.110.19
FRAME:www2:http://www.sone.other.domain.com/index.html
*(that means, the url within the browserbar is **not** changing to the target address)*
## Delete a dns-configuration
**Introduction**
With this request you can delete a zonefile at the joker-nameserver.
**Request fields**
mailsubject: delete dns-config \[your reference id\]
Definition of this request
| request-field | valid values | required |
| domains0 | @fqdn | yes |
Example 1: **delete dns-config**
subject: delete dns-config \[your reference id\]
domains0:hansnose.net## List a dns-configuration
**Introduction**
With this request you can get a listing of a current zonefile.
**Request fields**
mailsubject: list dns-config \[your reference id\] definition of this request
| request-field | valid values | required |
| domains0 | @fqdn | yes |
Example 1: **list dns-config**
subject: list dns-config \[your reference id\]
domains0:hansnose.net