We noticed something similar with 1.1.1.1 and srv records a while ago. Didn&#39;t spend much time on it just told customer to use a resolver that works. <br><br>On Friday, December 10, 2021, Podrigal, Aron &lt;<a href="mailto:aronp@guaranteedplus.com">aronp@guaranteedplus.com</a>&gt; wrote:<br>&gt; Hi, <br>&gt; I am experiencing weird behavior.<br>&gt; I have my nameserver set to 1.1.1.1, doing sofia_dig returns no results, one request out of five succeeds.<br>&gt; - When I do a dig / host lookup directly outside freeswitch using 1.1.1.1, it works.<br>&gt; - sofia_dig with any other DNS server (8.8.8.8, 9.9.9.9 etc) works.<br>&gt; PCAP shows DNS traffic being sent and received normally. In the non working scenario, the response from 1.1.1.1 simply has zero  ips.<br>&gt; See below.<br>&gt;<br>&gt; &lt;/mail/u/0/s/?view=att&amp;th=17da4c1a164bfbe4&amp;attid=0.0.1&amp;disp=emb&amp;realattid=ii_kwzyxhsx1&amp;zw&amp;atsh=1&gt;<br>&gt;<br>&gt; --<br>&gt;<br>&gt; -<br>&gt; Aron Podrigal<br>&gt;<br>&gt;