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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ypset(8) System Manager's Manual ypset(8)
NAME
ypset - bind ypbind to a particular NIS server
SYNOPSIS
ypset [ -d domain ] [ -h hostname ] server
DESCRIPTION
In order to run ypset, ypbind must be initiated with the -ypset or -ypsetme options. See ypbind(8). ypset tells ypbind to get NIS ser-
vices for the specified domain from the ypserv(8) process running on server.
In cases where several hosts on the local net are supplying NIS services, it is possible for ypbind to rebind to another host even while
you attempt to find out if the ypset operation succeeded. For example, you can type:
example% ypset host1
example% ypwhich
host2
which can be confusing. This is a function of the NIS subsystem's attempt to know always a running NIS server, and occurs when host1 does
not respond to ypbind because it is not running ypserv (or is overloaded), and host2, running ypserv, gets the binding.
Server indicates the NIS server to bind to, and must be specified as a name or an IP address. This will work only if the node has a cur-
rent valid binding for the domain in question, and ypbind has been set to allow use of ypset. In most cases, server should be specified
as an IP address.
OPTIONS
-d domain
Specify a domain other than the default domain as returned by domainname(8).
-h hostname
Set the NIS binding on host hostname
instead of the local machine.
SEE ALSO
domainname(8), ypbind(8), ypcat(8), ypmatch(1), ypserv(8), yppoll(8), ypwhich(1)
AUTHOR
ypset is part of the yp-tools package, which was written by Thorsten Kukuk <kukuk@linux-nis.org>.
YP Tools 2.14 April 2010 ypset(8)