11-04-2015
Domain registrars & DNS servers
I have read many tutorials on bind and i understand the A,MX, CNAME records.
Internally, on a LAN we can install bind and create all these records and we can tell all PC and servers to use this bind as DNS server.that's fine.
On the Internet, when we have purchased a valid domain like somedomain.com, from a domain registrar, we are given the choice on which name servers we want the domain to be hosted.
am a bit confused here about this process.what's the name of the server that says for domain somedomain.com use these nameservers. ?
if this would not be the case, then anyone could just install bind on a public server and put whatever records they want for the domain somedomain.com
please clarify this for me.
Last edited by coolatt; 11-04-2015 at 02:25 PM..
Reason: formatting
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LEARN ABOUT OPENSOLARIS
ypinit
ypinit(1M) System Administration Commands ypinit(1M)
NAME
ypinit - set up NIS client
SYNOPSIS
/usr/sbin/ypinit [-c] [-m] [-s master_server]
DESCRIPTION
ypinit can be used to set up an NIS client system. You must be the superuser to run this command. This script need not be used at all if
ypbind(1M) is started with the -broadcast option (it is invoked with this option from the svc:/network/nis/client:default service).
Normally, ypinit is run only once after installing the system. It may be run whenever a new NIS server is added to the network or an exist-
ing one is decommissioned.
ypinit prompts for a list of NIS servers to bind the client to; this list should be ordered from the closest to the furthest server. It is
recommended that you list each of these NIS servers by name and numeric IP address in /etc/hosts. Though the practice is not recommended,
NIS allows you to list servers by numeric address only, bypassing /etc/hosts. In such a configuration, ypwhich(1) returns a numeric address
instead of a name.
ypinit stores the list of servers to which a client can bind in the file /var/yp/binding/domain/ypservers. This file is used by ypbind when
run without the -broadcast option.
OPTIONS
-c
Set up a ypclient system.
-m
Build a master ypserver data base.
-s master_server
Slave data base. master_server must be the same master configured in the YP maps and returned by the ypwhich -m command.
FILES
/etc/hosts
File in which it is recommended that NIS servers be listed.
/var/yp/binding/domain/ypservers
Lists the servers to which the NIS client is allowed to bind.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnisu |
+-----------------------------+-----------------------------+
SEE ALSO
svcs(1), ypwhich(1), svcadm(1M), ypbind(1M), sysinfo(2), hosts(4), attributes(5), smf(5)
NOTES
The NIS client service is managed by the service management facility, smf(5), under the service identifier:
svc:/network/nis/client:default
Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The ser-
vice's status can be queried using the svcs(1) command.
BUGS
ypinit sets up the list of NIS servers only for the current domain on the system when it is run, that is, the domain returned by the
SI_SRPC_DOMAIN command to sysinfo(2). Care should be taken to ensure that this is the same as the desired domain for NIS client processes.
SunOS 5.11 20 Dec 2007 ypinit(1M)