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    <div class="moz-cite-prefix">在 2017/4/27 下午9:55, Ray Bellis 写道:<br>
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        <pre wrap="">I found the querying is much faster than whois.  module URL:
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://search.cpan.org/%7Epyh/Net-Domain-Registration-Check-0.02/lib/Net/Domain/Registration/Check.pm">http://search.cpan.org/~pyh/Net-Domain-Registration-Check-0.02/lib/Net/Domain/Registration/Check.pm</a>
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      <pre wrap="">Many registries permit a domain to be registered without requiring it to
be delegated.  Such domains would fail your test.
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    thanks. yes I found domain.uk falled into this case.<br>
    i.e, yahoo.uk isn't avaiable for domain registration, but it has no
    DNS delegation.<br>
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    regards.<br>
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