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  #1  
Old September 11th, 2003, 12:16 AM
ner75 ner75 is offline
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newbie. need definitive way to check reverse DNS

My hosting company manages DNS for my domain and insists they have set up reverse DNS for my domain, but I have my doubts.

I tried to verify it by going to dns oriented websites. Depending on the website I go to - the two I use are dnsstuff.com and samspade.org - I get two different answers. One site says reverse DNS is configured, the other one says no.

How can I check this once and for all, and get an authoritative answer?

Thank you.

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Old September 11th, 2003, 05:12 PM
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alexgreg alexgreg is offline
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Code:
dig -x 192.168.1.1

where 192.168.1.1 is the IP whose reverse DNS configuration you want to check. If it's set up correctly, you'll get lines similar to:
Code:
;; ANSWER SECTION:
1.1.168.192.in-addr.arpa. 14400 IN    PTR     name.example.com.

where name.example.com is the reverse DNS record for 192.168.1.1
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Old September 11th, 2003, 07:38 PM
ner75 ner75 is offline
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Great - thank you for info

Thank you so very much!

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Old November 1st, 2003, 12:40 PM
Bart J Simpson Bart J Simpson is offline
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Thank you

I will try this as a check too .. useful info

Thank you


I did try other ips that I gave the machines .. but it just confirms what I was doing

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