domain name
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... DDDS) [7] application to allow
mapping of domain names to URIs for particular application services
...
... string. This is essentially a dodge around the fact that the
REPLACEMENT field in NAPTR is required to produce only a fully
qualified domain name (and, therefore, cannot be used for a URI).
...
...
The Application Unique String is a fully qualified domain name (FQDN)
for which an authoritative server for a particular service ...
... SRV [3] records exist. "A" means that the output
of the Rule is a domain name and should be used to lookup address
...
... regular expressions of the
following syntax (i.e., a regular expression to replace the domain
name with a URI):
...
... to contain the rewrite rules. The Keys for this database are encoded
as domain names.
The First Well Known Rule produces a domain name ...
... domain names.
The First Well Known Rule produces a domain name, and this is the Key
that is used for the first lookup -- the NAPTR records ...
... Mealling, M., "Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) Database", RFC 3403prop ...