Domain Name System (DNS) is the Internet’s mechanism for linking all the host
names and IP addresses on the Internet.
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In other words, DNS is a distributed and
linked system of resolving names to IP addresses.
The DNS system is similar to
an environment in which all telephone information operators are linked together
so that your request can get passed to the appropriate operator.
All the URLs that you need to get resolution
for on the Internet are in a DNS
database somewhere. A DNS database
administrator has entered the name and IP
address into the database.
When you use a browser and request Who Is for
www.
find-ip-address.org,
www refers to a service,
and find-ip-address.org to the host name.
The .org refers to the
portion of the domain space where this host
is found. A URL is a combination of
the service, host name,
and domain where the host can be found.
Reverse DNS lookup identify host or hostnames that belong to given ip address.
If you want to find out IP address from domain then you need to enter domain
without http:// prefix. Otherwise it will not works.
Second Reverse DNS lookup form use reverse IN-ADDR entry to find out
decimal numbers seperated with dots into in-addr.arpa domain.
For example find-ip-address.org resolve to ip address 208.76.80.74
but reserve DNS using IN-ADDR entry for Ip 208.76.80.74 resolve to 74.80.76.208.in-addr.arpa domain and it
point to our hosting server ambria.tchmachines.com.
