A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Domain Name System Operations Working Group of
the IETF.
Title : Identifying an Authoritative Name Server
Author(s) : D. Conrad, S. Woolf
Filename : draft-ietf-dnsop-serverid-04.txt
Pages : 11
Date : 2005-3-31
With the increased use of DNS anycast, load balancing, and other
mechanisms allowing more than one DNS name server to share a single
IP address, it is sometimes difficult to tell which of a pool of name
servers has answered a particular query. A standardized mechanism to
determine the identity of a name server responding to a particular
query would be useful, particularly as a diagnostic aid. Existing ad
hoc mechanisms for addressing this concern are not adequate. This
document attempts to describe the common ad hoc solution to this
problem, including its advantages and disadvantasges, and to
characterize an improved mechanism.
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