"Not Implemented - The name server
does not support the requested kind of query" in Section 4.1.1 of
... at features a system that forwards needs to
support. Systems that forward are sometimes called "DNS ... N-
ADDR.ARPA and IP6.ARPA zones are said to support the 'reverse
DNS'." (Quoted from [RFC5855]... ructure domain", a
domain whose "role is to support the operating infrastructure of
the Interne
raffic between two hosts. The IPsec
protocols support varying granularities of user identification,
... owever, a given
IPsec implementation might not support all identity types. In
particular, security g... this rule.
Of course, an implementation that "supports" VRFY by always returning
550 whether or not ... mselves. Implementations SHOULD still provide
support for EXPN, but sites SHOULD carefully evaluate the
C7120)
0101 Structure of the IETF Administrative Support Activity (IASA). B.
Haberman, J. Hall, J. Li... TXT=84447 HTML= bytes) (Also RFC6576)
0177 IPv6 Support Required for All IP-Capable Nodes. W. George, C.
... t Current Practice for Communications Services in Support of
Emergency Calling. B. Rosen, J. Polk. Mar