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POphp cURL errorcode 6, could not resolve host
 

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  1. POphp cURL errorcode 6, could not resolve host
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    <p>My curl function insists it cant resolve the hostname of the domain im targeting. Which is strange since if I enter that url in a browser the correct response xml is being shown.</p> <p>The code itself works flawlessly on a different domain and doing a testfetch to google.com is no problem either.</p> <p>So obviously, there must be something wrong with the domain name right? However, the website running on that domain is available without problem. Also, the dns records don't reveal anything. All traffic seems to be delivered to the correct host.</p> <p>I've included the port 80 and headers in the curl so that should be fine right? But even that doesn't help.</p> <p>I'm at a loss here. Can anyone shine a light on this one?</p> <pre><code>$aPostvars = (array) array() ; $aPostvars['action'] = 'login' ; $aPostvars['username'] = $this-&gt;sUser ; $aPostvars['password'] = $this-&gt;sPass ; $ch = curl_init(); curl_setopt( $ch, CURLOPT_URL, $this-&gt;sUrlauth ) ; curl_setopt( $ch, CURLOPT_HEADER, 0 ); curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 ) ; //curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1 ) ; curl_setopt( $ch, CURLOPT_POST, 1 ) ; curl_setopt( $ch, CURLOPT_POSTFIELDS, $aPostvars ) ; //curl_setopt( $ch, CURLOPT_FAILONERROR, true ); curl_setopt( $ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); curl_setopt( $ch, CURLOPT_PORT, '80'); $oReturn = curl_exec($ch) ; if($oReturn === false) { echo 'Curl error: ' . curl_error($ch) . '&lt;br /&gt;Curl error code ' . curl_errno($ch); } curl_close($ch); return $oReturn ; </code></pre>
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    1. COdns resolution on the site the code is running on is 'borked'
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    2. COWhat do you see if you do `dig domain a` from the shell on the webserver?
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    3. CO@Dagon. That is a logical assumption and I agree to that. So how would I check whats wrong if the host insists all is fine, and dns lookups all reveal the correct servers are listening to the domain name?
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