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<a href="https://gitlab.com/lbtdk">Lasse Brandt Thomsen</a> created an issue <a href="https://gitlab.com/gnutls/gnutls/-/issues/1180">#1180</a>:
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<a id="user-content-description-of-the-feature" class="anchor" href="#description-of-the-feature" aria-hidden="true"></a>Description of the feature:</h2>
<p dir="auto">I'm trying to verify DANE for some SMTP servers and want to make sure both ipv4 and ipv6 is valid.</p>
<p dir="auto">Running danetool with <code>--check</code> and it connects to the servers over ipv6 to obtain the certificate. But as far as I can tell, there isn't a way to force danetool to connect using ipv4 or forcing it to connect to a different host/ip, than the one provided in <code>--check</code>.</p>
<p dir="auto">Either an option for settings a custom host/ip than <code>--check</code> to connect to or options like <code>-4</code>/<code>-6</code> should do the trick.</p>
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<a id="user-content-applications-that-this-feature-may-be-relevant-to" class="anchor" href="#applications-that-this-feature-may-be-relevant-to" aria-hidden="true"></a>Applications that this feature may be relevant to:</h2>
<p dir="auto">Manual testing or monitoring systems verifying DANE over ipv4 for ipv6 enabled servers.</p>
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