Type "nslookup". Your computer's DNS Server name and IP address will be displayed. Type "set type=mx" - This will cause NSLOOKUP to only return what are known as MX (Mail eXchange) records from the DNS servers. Type "hotmail.com" or your domain name. Results returned should look similar to this:
At a command prompt, type nslookup, and then press Enter. Type server
[root@centos6 ~]# nslookup -bash: nslookup: command not found To install the nslookup in CentOS, simply run this command : [root@centos6 ~]# yum install bind-utils Loaded plugins: fastestmirror Determining fastest mirrors CentOS6.2-Repository | 1.3 kB 00:00
> nslookup en.wikipedia.org 18.104.22.168 Server: google-public-dns-a.google.com Address: 22.214.171.124 Non-authoritative answer: Name: en.wikipedia.org Address: 126.96.36.199 How is this possible? I get the same results upon querying the SOA (ns0.wikimedia.org at 188.8.131.52) instead of Google's server as well. I would assume some kind of round-robin Or if you don't know where the command should live, */nslookup. – geedoubleya Oct 25 '14 at 16:48 I get package bind-utils not found – Black Jun 3 '16 at 6:30 7 In nslookup run: > server dns2.ox.ac.uk This tells nslookup to send subsequent DNS lookups to the specified server, which is authoritative for this domain. (Any one of the DNS servers listed in our above query should work.) Now switch from Nameserver record query mode back to "any" record mode with: > set query=any
nslookup operates in interactive or non-interactive mode. When used interactively by invoking it without arguments or when the first argument is - (minus sign) and the second argument is a hostname or Internet address of a name server, the user issues parameter configurations or requests when presented with the nslookup prompt ( > ).
Nslookup (short for name server lookup) is an excellent tool for querying DNS (domain name systems). Importance of DNS. DNS is such a foundational aspect of how networks and the internet work that it’s hard to categorize it as either more sysadmin or more networking related. Interactive allows multiple queries using a single instance of nslookup, and options can be toggled on and off as needed. Using Nslookup – NonInteractive. A quick query to check for TXT records in the Tailspintoys.ca domain could look like: NSLookup.exe -q=TXT Tailspintoys.ca. For the remaining examples, interactive mode will be used. Nov 29, 2018 · Thanks Leon, I set 184.108.40.206 address on my network adapter and run nslookup google.com but still I get non-authoritative answer, Why !? Hi, It’s because that 220.127.116.11 is a Google’s open DNS server but not an authoritative name server. The answer it gives out is from its cache file which is constructed from all the DNS lookups done previously.