Konnektivitkoordination / Domain Name System

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Page modified: Friday, June 23, 2006 20:29:01

co-ordination (short KK) is the name of the DENIC for the procedure for the change of the Providers of a domain.

It is used by German Providern however gladly for all Top level Domains, although the administration offices (NIC) have own in each case names and often also completely different technical operational sequence for such a procedure.

Competence structures of Providern and DENIC

The DENIC is genossenschaftlich organized, i.e. she was created of Internetprovidern as administrative centre for the Top level Domain .de, in order to take over for this Provider the administration.

This Provider offers the service to "registration of a.de Domain" both directly at the market and opposite retailers, who contact for their part again directly customers, and possibly also at retailers.

A Domaininhaber registered thus either directly with a the IC member or with a Provider, which is direct or indirect with a the IC member for his part customer, a Domain.

From this condition a kind tree structure of the competencies for the Domains results.

Technical operational sequence

A KK is started, as a customer assigns a Provider to take over an existing Domain.

The Provider is to examine according to the IC guidelines whether the customer is entitled to it. That is to be accepted, if the entry of the Admin C of the Domain is identical to the customer data.

If the Provider is direct the IC member, then it will send the order over the electronic interface (PGP-marked E-Mail) to the DENIC. If it is not a member, then it will pass the order on in any form to its superordinate Provider, which continues to lead it if necessary still after "above" in the tree structure, until he reaches a the IC member.

The DENIC informs the the IC member responsible for the Domain due to the KK-request. This Provider informed for his part his customers (direct customer or Unterprovider) of the KK-request and waits for an expression whether it can be allowed to the request or whether he is to be rejected. The answer leads the Provider then back to the DENIC, which acts accordingly.

If the customer is silent, then the Provider will reject the KK-request in the doubt.

If the DENIC does not receive an answer at expiration the waiting period from the past Provider, then one allows to the KK-request. So that KK-orders do not remain unintentionally unconsidered, the DENIC sends memory at the Provider however after the first report still another, before she transfers the Domain after expiration.

The possible answers to a KK-request are:

ACK

ACK is the short form for "acknowledged", and means an accepting of the KK/Providerwechsels.

NACK

NACK is the short form for "emergency acknowledged", and means a refusal of the KK/Providerwechsels.

LATEACK

LATEACK is the short form for "late acknowledged". If a Provider rejected and receives the change already, it late from the Domaininhaber still another agreement to the change, then it can later still agree the KK-request.

Procedure of other Domainverwaltungsstellen (NIC)

Historically conditionally often completely different structures and procedures have the NIC of other Top level Domains.

Exemplarily here the Domain is .ch mentioned, which is administered by SWITCHES. In Switzerland each Domaininteressent kept long time only direct with SWITCH an account for the administration of its registered Domains, which necessary name server as well as further services such as HTTP or smtp he had to procure separately with a Provider of his choice. Such if a Domaininhaber would like to change for the Provider, he must register the new name servers for its Domain only with SWITCHES, but place no request. Meanwhile take over Swiss Provider however also the registration of new Domains with SWITCHES.