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Testing nameserver configuration using it

I'm thinking to leave my hosting provider NS's for Route53 (amazon distributed nameserver) for several reasons (and since I cannot update them directly but I have to ask them that will accomplish the request in a week).

I'm currently setting all records like they are on my current host page (I can see my dns settings but I cannot change them). Since I'm not used to "play" with hosted zone is there a way I can test the name resolution settings before to make the domain point to the new nameserver, risking to obscure my website?

I'm not sure if the last dot in CNAME records is necessarly or not...

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marked as duplicate by Brent Pabst, HopelessN00b, rnxrx, Michael Hampton, Sirex Sep 20 '12 at 23:49


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3 Answers

You can easily do that using nslookup, the process is next:
1) Enter nslookup
2) Run server $YourDNSServerName where $YourDNSServerName is the one of the DNS servers responsible for your zone at Route53 like nslookup ns-131.awsdns-16.com
3) From there just enter your records and see the responses.

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Thanks, it works!! Can you please help me to understand what should i set for these records? @ IN MX 1 aspmx.l.google.com. @ IN MX 5 alt1.aspmx.l.google.com. @ IN MX 5 alt2.aspmx.l.google.com. @ IN MX 10 aspmx2.googlemail.com. @ IN MX 10 aspmx3.googlemail.com. I should leave the domain blank, am I right? –  CodeShining Sep 5 '12 at 17:34
yes if you're setting MX records for the domain, the domain should be blank. –  Logic Wreck Sep 5 '12 at 17:38
Use dig and not nslookup for any serious DNS debugging. nslookup has many known flaws and has been depreciated. veggiechinese.net./nslookup_sucks.txt –  3dinfluence Sep 5 '12 at 23:11
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Set up your name server and then configure a test machine to use it for DNS. I'm not sure what client system you're using, but since I'm on a Windows box, at the moment, a screenshot of where you'd put that new nameserver value on a Windows machine.

DNS settings

Apply those DNS settings to a number of machines for testing purposes, use as normal, and ensure nothing's broken.

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Use dig

dig mydomainname.com @mynewnameserver.com
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