More DNS Tricks
As a follow-on to yesterday's discussion about the RIRs and how to use the whois service, Alex sent us some thoughts on a favorite site of his, dnsstuff. Thanks, Alex!
It's very easy to use, and can find information without having to look around and fiddle with command line tools. For example, if you type 65.173.218.103 into the whois box, it responds with clickable links to two other blocks, with
at the top of the page.
If you click on NET-65-173-218-0-1, it then takes you to the listing for that record, with another "NOTE: More information appears to be available at MF974-ARIN." Message.
Rather cool.
Also, if you type in 202.30.50.50 into the whois box, it returns:
And drops you straight to the record containing the NOC contact details.
All of this makes www.dnsstuff.com one of my favourite sites.
The site also offers lots of other DNS related tools, too numerous to mention here, you really must have a look around the site yourself.
For the "experts" among us, the site contains two other pages, http://www.dnsstuff.com/pages/expert.htm - containing things like RADB Routing, CIDR/Netmask Lookup, and the very cool WHAT IS? Where you can enter anything and it will tell you what it is.
There is also the test bed at http://www.dnsstuff.com/pages/testbed.htm
which contains some cool new stuff.
Location: United States [City: Bethesda, Maryland]
NOTE: More information appears to be available at NET-65-173-218-0-1.
at the top of the page.
If you click on NET-65-173-218-0-1, it then takes you to the listing for that record, with another "NOTE: More information appears to be available at MF974-ARIN." Message.
Rather cool.
Also, if you type in 202.30.50.50 into the whois box, it returns:
Location: Korea-KR
ARIN says that this IP belongs to APNIC; I'm looking it up there.
APNIC says that this IP belongs to KRNIC; I'm looking it up there.
ARIN says that this IP belongs to APNIC; I'm looking it up there.
APNIC says that this IP belongs to KRNIC; I'm looking it up there.
And drops you straight to the record containing the NOC contact details.
All of this makes www.dnsstuff.com one of my favourite sites.
The site also offers lots of other DNS related tools, too numerous to mention here, you really must have a look around the site yourself.
For the "experts" among us, the site contains two other pages, http://www.dnsstuff.com/pages/expert.htm - containing things like RADB Routing, CIDR/Netmask Lookup, and the very cool WHAT IS? Where you can enter anything and it will tell you what it is.
There is also the test bed at http://www.dnsstuff.com/pages/testbed.htm
which contains some cool new stuff.
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