Domain Name Resolution Services (DNS, DDNS, DNS-HA, WINS)

To order or inquire about this service, please contact the NIH IT Service Desk.

Service Hours: 24 hours a day, 7 days a week.

CIT's Domain Name Resolution Services provide several reliable methods of resolving computer and server names to Internet addresses and vice versa when connecting to the NIH Network or the Internet:

Domain Name Service (DNS), also known as External DNS, is used by computers on the Internet to resolve host names within the NIH.gov domain name space.
Dynamic Domain Name Service (DDNS), also known as Internal DNS, is used by NIH computers to connect to the Internet and resources outside of the NIH and HHS networks.
Domain Name Service-High Availability (DNS-HA) provides dynamic site resiliency for services operating in multiple data centers. The DNS-HA service provides intelligent DNS that directs the customer to the best possible site for the requested resource.
Windows Internet Naming Service (WINS) is a basic network requirement in a Windows environment that allows Windows Netbios name-mapping to IP addresses used by Windows services.

Customer Benefits

Domain Name Resolution Services offer robust network-enabling services for IT professionals at NIH.

Customer Market

This service is available to all NIH customers.

Frequently Asked Questions

Q: How can I get more information about these services?

A: For external DNS, please see the Domain Name Services information page, or you can make a request directly using the DNS Home Page.

For all other services, you may request assistance by submitting a ticket through the NIH IT Service Desk.

Q: As an IT professional at NIH, aside from submitting a ticket to the IT Service Desk, is there anywhere else I can get information about DNS or other upcoming infrastructure projects?
A: NIH IT professionals are welcome to attend the monthly roundtable held by CIT’s Enterprise Messaging and Infrastructure Branch (EMIB), which covers issues related to NIH-wide messaging and infrastructure projects, including major software upgrades and hardware refresh. The EMIB Roundtable is held at noon on the first Wednesday of the month in the second-floor conference room of building 12B. For more information and notes from past roundtable discussions, visit the SharePoint site for the EMIB Monthly Roundtable meetings at https://emib.cit.nih.gov/spsites/emibrt/default.aspx.

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