Support for EDNS Client Subnet (ECS) in ISC BIND DNS Server

Solution Verified - Updated -

Issue

  • What is the EDNS Client Subnet (ECS)1 support status in ISC BIND DNS server?

  1. RFC 7871 - Client Subnet in DNS Queries ↩︎

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 10
  • ISC BIND DNS server
    • bind-9.11
    • bind-9.16
    • bind-9.18

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