Symptom:

Address Record, assigns an IP address to a domain name. When the domain name system was designed it was recommended that no two A records refer to the same IP address. This is not practical due to the limitations of CNAME records.

Example:

www.example.com.    3600 IN A 192.0.2.10

Solution

See also:
AAAA Record
A6 Record
CNAME Record
IP Address
TTL
Resource Record
Domain Name