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Thread: reverse dns question
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07-23-2002, 01:45 PM #1WHT Addict
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reverse dns question
Hi,
How can you tell if you have reverse dns enabled on a server running linux 7.3? If it isn't enabled. How does one go about enabling it?
One more questions. If reverse dns is enabled, will it do reverse lookups for all the nameservers on the server? Because some guy with south african domains wants hosting on my server, but they require reverse dns.
Thanks.
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07-23-2002, 01:46 PM #2Web Hosting Master
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you have to make a reverse dns zone file (in-addr.arpa)
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07-23-2002, 02:18 PM #3Newbie
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It will work for the nameservers on the server I believe
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07-23-2002, 02:21 PM #4WHT Addict
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umm. sorry. im a dunce i guess. ntwaddel could you expand on that? What needs to be in the file, and where to put it?
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07-23-2002, 02:36 PM #5Web Hosting Master
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this is a quick howto on foward and reverse dns
http://www.freebsd.org/doc/en_US.ISO...dbook/dns.html
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07-23-2002, 05:18 PM #6WHT Addict
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Check out http://www.dnsreport.com/
They will let you know whether you have RDNS setup or not and some more info that might be good and some other that is crappy
Another site they have is www.dnsstuff.comGagsplus - http://www.gagsplus.com
Best of Humor www.bestofhumor.com
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07-24-2002, 11:31 PM #7Web Hosting Evangelist
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I HIGHLY suggest O'Reillys DNS & Bind Book. It's about $30 but you'll become a DNS master. Do a google search for reverse dns and you'll come up with alot of stuff.
If you still need help e-mail me.neil MCITP, VCP
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07-24-2002, 11:51 PM #8Web Hosting Master
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yeah the O'Reilly book is very good
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07-24-2002, 11:57 PM #9Web Hosting Master
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Reverse DNS isn't something you "enable" on a server. Reverse DNS works just like "regular" DNS but using the in-addr.arpa domain and PTR records. If you don't have any clue what I'm talking about, then chances are that your provider hasn't delegated reverse DNS authority to your server anyway, so there's nothing you can do on your server to "enable" it. You will have to contact your provider regarding reverse DNS, and tell them what host name you want each IP address to resolve to.
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07-25-2002, 10:13 AM #10WHT Addict
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You should goto arin.net and do a whois on your IP address, more than likely you are not authoritative to do reverse DNS and your upstream provider will have to do it for you or delegate it down to you.
Jay Kramer - Operations Manager
Affordable Colocation and Dedicated Servers
www.colostore.com 1-877-719-3698