search for: checkdns

Dear All, I have been using centos 5.1 for quite some time as out DNS and mail server and been workin fine i use sendmail as my mail server i did setup a backup mail server as per docs and ran th dns test from http://www.checkdns.net and it says both the mail servers are fine but i would like to know the following how would i really know if my main primary server is down all my mails r goin to my secondary mail server and when my primary is up are the mails copied back to my primary i did put down my mail server for a...

...e why this started, but apparently I'm having a DNS problem. Yesterday mail started bouncing with this error: 450 Unable to find obrien-pifer.com I think the messages eventually get delivered, but not sure. I guess I'll see if this one makes the list. I checked my domain using http://www.checkdns.net/ and it gives me a couple warnings. One is that there's no MX record, but there is. I use a smarthost for sending mail. My DNS records are: http://www.obrien-pifer.com/mydns.txt Anyone see any problems in my DNS records? Thanks, James

Hi all, I'm looking for a good web based script / website that can do a full ananlysis on DNS & namservers. Can someone please recommend something good to use? And if possible, if it could show any errors, or even make suggestions (like "TTL is too high", or " you don't have an MX, please ad one", etc) -- Kind Regards Rudi Ahlers

...ate: Thu, 06 Nov 2003 16:36:25 +0000 From: WipeOut <wipe_out@onetel.com> To: asterisk-users@lists.digium.com Subject: Re: [Asterisk-Users] archives gsm of asterisk ??? Reply-To: asterisk-users@lists.digium.com Shoval Tom wrote: >Guys, it still not working. > >Go here >http://www.checkdns.net/quickcheck.aspx?domain=voip-info.org&detailed=1 >And see that it returns errors. > >PLEASE help. > > > None of the reported errors are critical.. They are just saying that only one DNS server is active.. Try setting you PC up to use an alternate DNS server.. Also try...

...Message: 6 From: "Shoval Tom" <shoval@softov.co.il> To: <asterisk-users@lists.digium.com> Subject: RE: [Asterisk-Users] archives gsm of asterisk ??? Date: Thu, 6 Nov 2003 17:40:38 +0300 Reply-To: asterisk-users@lists.digium.com Guys, it still not working. Go here http://www.checkdns.net/quickcheck.aspx?domain=voip-info.org&detailed=1 And see that it returns errors. PLEASE help. -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of WipeOut Sent: Thursday, November 06, 2003 2:14 PM To: asterisk-us...