DNS X-Proxied-For
Internet Systems Consortium, Inc.
PowerDNS.COM B.V.
PowerDNS.COM B.V.
It is becoming more commonplace to install front end proxy devices in front of DNS servers to provide (for example) load balancing or to perform transport layer conversions. This document defines a meta resource record that allows a DNS server to receive information about the client's original transport protocol parameters when supplied by trusted proxies.