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Topics: DNS

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Google's Public DNS: worth it?

By mike-loukides : 06 December 2009 - 12:38 PM
I did some testing on Google's public DNS service. It's a nice idea, but it's not going to make your browsing any faster. Here are my results: Round trip time to look up a domain using ...
Tags:
- google
- dns
0Votes

2Comments
How to and why you should use Google's New DNS Server

By blackbear : 03 December 2009 - 11:44 AM
Today, Google announced that anyone can now point to their public DNS servers (with the easy to remember IP addresses of 8.8.8.8 and 8.8.4.4), they have fairly complete instructions on how to set up y...
Tags:
- google
- dns
1Vote

2Comments
How to use and understand "whois" in its many forms

By tcpiplab : 16 October 2009 - 05:19 PM
The whois command line utility, available on all modern Unix and Linux variants, can be a fast, concise, and scriptable way to identify unknown and distant hosts, networks, and even netadmins. By the ...
Tags:
4Votes

1Comment
How to look up records with dig

By cricketliu : 15 September 2009 - 12:04 PM
Specify the domain name you want to look up, the record type you're interested in (unless it's A, the default), and the domain name or IP address of the name server you want to query (unless it's ...
Tags:
1Vote

0Comments
Finding a syntax error in a zone data file

By cricketliu : 15 September 2009 - 11:56 AM
Find the log messages from the most recent restart or reload of the name server, reloading again if necessary. Then look for a message indicating the line of the zone data file that contains t...
Tags:
- DNS
- BIND
- zone
- named
1Vote

0Comments
How to find a syntax error in a named.conf file

By cricketliu : 15 September 2009 - 11:43 AM
If you suspect you have a syntax error in named.conf, check the name server's syslog output to see if named logged any error messages the last time you started or reloaded it. Look for a message l...
Tags:
- DNS
- BIND
- named
- rndc
1Vote

0Comments
How to configure a resolver to append multiple domain names to arguments

By cricketliu : 15 September 2009 - 11:10 AM
On a BIND resolver, configure a search list by adding a search directive to the resolv.conf file. You can specify up to six domain names as arguments to the search directive, in the order in which...
Tags:
1Vote

0Comments
How to configure a resolver to query a remote name server

By cricketliu : 15 September 2009 - 11:06 AM
On a host running a BIND resolver, add a nameserver directive to the resolv.conf file. The resolv.conf file (note that there's no "e" on the end of "resolv") usually lives in the /etc directory;...
Tags:
1Vote

0Comments
How to handle Active Directory with a name sever

By cricketliu : 15 September 2009 - 10:59 AM
If you want to allow your Active Directory Domain Controllers to register their SRV records using dynamic update, make note that there are a number of different solutions to this pr...
Tags:
0Votes

0Comments
How to restrict the queries of a name server answers

By cricketliu : 15 September 2009 - 10:34 AM
If you want to restrict the queries a name server answers, use the allow-query substatement to restrict the queries to which the name server responds. allow-query can be used as ...
Tags:
- DNS
- BIND
- ACL
- TSIG
0Votes

0Comments