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bert hubert
2018-04-02 10:40:42 +02:00
parent 692a62d03e
commit 4bb77846d7
1 changed files with 17 additions and 15 deletions
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@ -33,25 +33,27 @@ The process of traversing such a zone-cut is called a delegation. A
delegation is signified by the presence of NS records outside of the zone
apex (aka the name of the zone).
*************************************************************************************************
* .---. *
* .---. | SOA | *
* +-----+ org +<---->| NS | *
* / '-+-' '---' *
* / | *
* .----. .-+-. .-+-. .----. *
* | NS +<-->+ iesg+ | ietf+<---->| NS | *
* '----' '-+-' '---' '----' *
* / \ *
* .---. / \ .---. *
* | A | .--+. +---. | A | *
* |AAAA +<---->+ ns1 | | ns2 +<---->|AAAA | *
* '---' '-+-' '---' '---' *
* *
* .---. SOA *
* +---------+ org +--------+ *
* / '-+-' NS \ *
* / | \ *
* .-+-. .-+-. .-+-. *
*---ZONE CUT--- + ietf+ NS | ietg+ NS | ... + ---ZONE CUT--- *
* '-+-' '-+-' '---' *
* / \ | *
* / \ | *
* .--+. +---. .-+-. *
* EMPTY --> + ord | | fra + | ... + *
*NON-TERMINAL '-+-' '-+-' '---' *
* | | *
* .-+-. .-+-. *
* GLUE --> A + ns1 | | ns2 + A <-- GLUE *
* AAAA '-+-' '---' AAAA *
* *
*************************************************************************************************
# Sending answers
Fundamentally, the following answers are possible (this omits CNAME and
wildcard processing, more about which below).