RFC 1034:DOMAIN NAMES - CONCEPTS AND FACILITIES
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delegation


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... If the organization has substructure, it may want to make further internal partitions to achieve nested delegations of name space control. In some cases, such divisions are made purely to make database ...
... domain, the first step is to identify the proper parent zone, and get the parent zone's owners to agree to the delegation of control. While there are no particular technical constraints dealing with where in the tree ...
... As the last installation step, the delegation NS RRs and glue RRs ...
... RRs and glue RRs necessary to make the delegation effective should be added to the parent zone. The administrators of both zones should insure that the NS ...
... cache, copy all RRs attached to it that match QTYPE into the answer section. If there was no delegation from authoritative data, look for the best one from the cache, and ...
... When the query is in another zone. That is, delegation cancels the wildcard defaults. ...


... client. b. if the response contains a better delegation to other servers, cache the delegation ...
... delegation to other servers, cache the delegation information, and go to step 2. ...
... greater than zero. If the response shows a delegation, the resolver should check to see that the delegation is "closer" to the answer than the servers in SLIST ...
... If the response shows a delegation, the resolver should check to see that the delegation is "closer" to the answer than the servers in SLIST are. This can be done by comparing the match count in SLIST with that computed from SNAME and the NS ...
... computed from SNAME and the NS RRs in the delegation. If not, the reply is bogus and should be ignored. If the delegation is valid ...
... RRs in the delegation. If not, the reply is bogus and should be ignored. If the delegation is valid the NS ...
... is valid the NS delegation RRs and any address RRs ...


... of the SOA, here 86400 seconds, or one day. The NS RRs marking delegation of the MIL and EDU domains, together with the glue RRs for ...
... The resolver would notice that the information in the response gave a closer delegation to ISI.EDU than its existing SLIST (since it matches three labels). The resolver would then cache the information in this ...



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