<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><span style="-webkit-text-size-adjust: auto; font-family: Calibri, sans-serif; font-size: 14.666666984558105px; background-color: rgb(255, 255, 255);">> If I run a nslookup against any of the time out’s in the logs, it works and delivers both the ipv4 and ipv6 address</span><br><br>How exactly do you run the nslookup (also please use dig instead of nslookup for debugging)?<div><br></div><div>It’s hard to help without full diagnostics.</div><div><br></div><div>Looking at pcaps (or using Wireshark) to look what happens on the wire when the failure occurs would help.<br><div><br></div><div>You can also run named with extra debugging level to provide more insight. </div><div><br></div><div>Cheers,</div><div>Ondřej<br><div dir="ltr"><div>--</div>Ondřej Surý — ISC (He/Him)<div><br></div><div>My working hours and your working hours may be different. Please do not feel obligated to reply outside your normal working hours.</div></div><div dir="ltr"><br><blockquote type="cite">On 23. 2. 2022, at 6:31, Andrew Baker via bind-users <bind-users@lists.isc.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">If I run a nslookup against any of the time out’s in the logs, it works and delivers both the ipv4 and ipv6 address</div></blockquote></div></div></body></html>