CNAME


Also found in: Acronyms.

CNAME

(networking)
The canonical name query type for Domain Name System. This query asks a DNS server for a host's official hostname.

CNAME record

(Canonical NAME record) A statement in a DNS database (zone file) that assigns an alias to the true name (canonical name) of a local or remote server. It is used to direct multiple URLs, such as www.xyz.com and support.xyz.com to a single IP address, as well as to redirect users to sites after their URLs change or are abandoned. See DNS records, canonical, canonical synthesis and zone file.
References in periodicals archive ?
Remote Interface Reflector Schema Remote Interface Reflector comp-name: CNAME interface-name: IFNAME getlnterface: CNAME [left and right arrow] IFNAME Table 3.
** Address delegation by use of NS records was largely replaced with DNAME records (analogous to the existing CNAME but renaming an entire tree), This permitted related forward and reverse components to be managed together.
CREATE VIEW v1 (cname, profit) AS SELECT r1.cname, r1.revenue - r2.expenses FROM r1, r2 WHERE r1.cname = r2.cname; in which case, query Q1 can be equivalently formulated on the view v1 as