54 lines
1.8 KiB
Markdown
54 lines
1.8 KiB
Markdown
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Whois2 FAQ v1.2 June 06/00 Mark Jeftovic <markjr@easydns.com>
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Q's
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1.0 How do I tell if a domain is available or not?
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1.1 I'm getting "Fatal error: Call to unsupported or undefined function
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preg_replace()" why?
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1.2 whois2 breaks under PHP4, I get $result["rawdata"] = Array now instead
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of the actual data!
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Q & A's
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1.0 How do I tell if a domain is available or not?
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The big difference between this and version 1 is the absence of the
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FOUND flag.
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Anyways, for .com/.net/.org you can tell that a domain is available
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or not if the regyinfo array is empty.
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$whois = new Whois("test.com");
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$result = $whois->Lookup();
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if(empty($result["regyinfo"])) {
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// available
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} else {
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// taken
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}
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Keep in mind that this isn't 100% surefire. A domain can be dropped from
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the registry for nonpayment, and remain in limbo for up to 5 days where
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it still cannot be registered. Also, whois servers can lag behind the root
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servers by as much as 24 or even 48 hours in extreme cases.
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You can also check if there are any nameserver RR's defined (and thus infer
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that the domain is in the root servers) by calling ns_rr_defined($domain)
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in the utils extended class.
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For other TLD's it's up to you to either grep the results for what you know
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to be a "not found" string, or write an extended handler that does a cleaner
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job of it, which you can then submit to this project and immortalize yourself :)
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1.1 I'm getting "Fatal error: Call to unsupported or undefined function
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preg_replace()" why?
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All that means is that the version of PHP you're using doesn't have
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the perl regular expression module. You can either upgrade or in
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the meantime just move netsol.whois out of the php_include_path,
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you won't get nicely parsed output for netsol domains but you
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will still at least get the raw output then.
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