DEPARTMENT OF THE NAVY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS
2000
NAVY PENTAGON
W
ASHINGTON, DC 20350-2000
OPNAVINST 5239.2A
N2N6
2 Dec 2016
OPNAV INSTRUCTION 5239.2A
From: Chief of Naval Operations
Subj: NAVY INTERNET PROTOCOL AND DOMAIN NAME SERVICE MANAGEMENT
Ref: (a) DoD Instruction 8410.01 of 4 December 2015
(b) Internet RFC 1032, Domain Administrators Guide, Nov 1987
(c) Internet RFC 1034, Domain Concepts and Facilities, (STD0013), Nov 1987
(d) Internet RFC 1035, Domain Names – Implementation and Specification, (STD0013),
Nov 1987
(e) Internet RFC 1591, Domain Name System Structure and Delegation, Mar 1994
(f) Internet RFC 1956, Registration in the “.mil” Domain, Jun 1996
1. Purpose
a. To provide policy for the Navy Internet protocol (IP) and domain name service, and
establish procedures for IP and domain name service registration and management within the
Navy, per reference (a).
b. This revision removes specific implementation requirements and includes responsibilities
for Navy Information Forces (NAVIFOR) and echelon 2 commands. This instruction is a
complete revision and should be reviewed in its entirety.
2. Scope. This policy applies to all Navy networks utilizing IP and domain name service.
3. Cancellation. OPNAVINST 5239.2. Incorporates and cancels CNO letter Ser
N2N6/4U119055 of 13 May 2014 and CNO letter Ser N2N6BC/4U120894 of 3 Sep 2014.
4. Responsibilities
a. NAVIFOR, under U.S. Fleet Forces Command is designated as the Navy office of
primary responsibility for IP and domain name service management. Per references (a) through
(f), NAVIFOR must:
(1) Manage IP and domain name service space for the Navy.
(2) Develop a baseline and ensure enterprise governance is uniformly applied to IP and
domain name services throughout the Navy.
