yongkailoon Posted August 10, 2010 Share Posted August 10, 2010 Hi, I need some advises from all of you while waiting for my hosting provider to get back to me. My WHMCS can hardly check for domain availability since few days back. It always returns as unavailable although it is available and sometimes it returns with a message "There was an error in your request". According to the WHMCS documentation, if such error occurs, it means that port 43 is blocked preventing it from doing a lookup. However, everything was perfectly fine when I first had it so I don't think so there's a firewall blocking it (not unless my provider just recently decided to block it). Also, could the IP of the server that I'm on be banned, what are the chances? Weird thing is, once in a blue moon, the domain checker works perfectly but most of the time it just shows unavailable or there's an error. I'm on my provider's reseller plan. Is there any way I can check if port 43 is blocked on my side? I'm waiting for my provider's feedback but they are taking quite long to get back to me. So any suggestions/recommendations is very much appreciated here. 0 Quote Link to comment Share on other sites More sharing options...
othellotech Posted August 11, 2010 Share Posted August 11, 2010 can hardly check for domain availability since few days back sometimes it returns with a message "There was an error in your request". everything was perfectly fine when I first had it so I don't think so there's a firewall blocking it (not unless my provider just recently decided to block it) Being blocked by the server, or blocked for abusing the whois servers are the obvious possibilities 0 Quote Link to comment Share on other sites More sharing options...
yongkailoon Posted August 11, 2010 Author Share Posted August 11, 2010 Being blocked by the server, or blocked for abusing the whois servers are the obvious possibilities Hi, my provider confirmed that port 43 is not blocked inbound and outbound. If it is blocked for abusing WHOIS servers, will they release certain time to be able to check? What I observed which 99% happens is this, from afternoon until midnight, the problem definitely happens. About 1am, every works fine again until about 2-3pm in the afternoon. The cycle goes this way. 0 Quote Link to comment Share on other sites More sharing options...
WHMCS Support Manager WHMCS John Posted August 11, 2010 WHMCS Support Manager Share Posted August 11, 2010 Check /includes/whoiservers.php for the list of whois servers used. Then check if you can connect to them from your server. 0 Quote Link to comment Share on other sites More sharing options...
mojorise Posted March 23, 2011 Share Posted March 23, 2011 Can I ask - did you ever get this issue resolved? It is exactly the same problem I am having...... 0 Quote Link to comment Share on other sites More sharing options...
hostleet Posted March 27, 2011 Share Posted March 27, 2011 Are you guys enabling Captcha Form Protection from your WHMCS General Settings>Security section for your Domain Search queries? 0 Quote Link to comment Share on other sites More sharing options...
majdi Posted May 21, 2012 Share Posted May 21, 2012 I am having the same issue port 43 is open, i can telnet to servers in the /includes/whoiservers.php on port 43 from my server any ideas ? 0 Quote Link to comment Share on other sites More sharing options...
mazaamahesh Posted July 10, 2012 Share Posted July 10, 2012 HI, i am having same issue my server port 43 is open. any one have a solution ??? 0 Quote Link to comment Share on other sites More sharing options...
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