DNS (Domain Name System)

A global, distributed, delegated database of records about domain names. Each type of record holds a specific type of information. DNS is queried with a domain name and desired record type. The response is the record data associated with the queried data. Some records contain an IP address for a domain name, other record types contain email or SIP server information for a domain name, etc.

Domain, Domain Name

The domain name (hostname) of an agency or element in an ESInet.


 * NENA-STA-010, Detailed Functional and Interface Standards for the NENA i3 Solution
 * NENA-INF-016, NENA Emergency Services IP Network Design (ESIND) Information Document
 * NENA 75-001, NENA Security for Next-Generation 9-1-1 Standard (NG-SEC)
 * NENA 75-502, Next Generation 9-1-1 Security (NG-SEC) Audit Checklist
 * NENA 04-503, NENA Technical Information Document Network/System Access Security