Title: Obsoleting IQUERY
Author(s): D. Lawrence.
Status: PROPOSED STANDARD
Date: Nov 2002
Length: 8615
Updates: RFC1035
The IQUERY method of performing inverse DNS lookups, specified in RFC1035, has not been generally implemented and has usually been operationally disabled where it has been implemented. Both reflect a general view in the community that the concept was unwise and that the widely-used alternate approach of using pointer (PTR) queries and reverse-mapping records is preferable. Consequently, this document deprecates the IQUERY operation, declaring it entirely obsolete. This document updates RFC1035.
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