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<span style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Hi,</span><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">I've got some weird result when query some domains, for example<span> </span><a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesia.com</a>. I got servfail but if i query without www appended, i can get the result.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Below is what i got from my pdns recursor (4.1.3) on Ubuntu 17.10 that installed with apt-get.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><a href="http://www.coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">www.coachingindonesia.com</a></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">------------------------------<wbr>---</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><div>; <<>> DiG 9.8.1-P1 <<>><span> </span><a href="http://www.coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">www.coachingindonesia.com</a><span><wbr> </span>@<a href="http://192.168.77.215/" target="_blank" style="color:rgb(17,85,204)">192.168.77.215</a></div><div>;; global options: +cmd</div><div>;; Got answer:</div><div>;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 1660</div><div>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0</div><div><br></div><div>;; QUESTION SECTION:</div><div>;<a href="http://www.coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">www.coachingindonesia.com</a>. IN A</div><div><br></div><div>;; ANSWER SECTION:</div><div><a href="http://www.coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">www.coachingindonesia.com</a>. 6021 IN CNAME <a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesia.com</a>.</div><div><br></div><div><a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesia.com</a></div><div>------------------------------<wbr>-</div><div>;; Query time: 3 msec</div><div>;; SERVER: 192.168.77.215#53(192.168.77.2<wbr>15)</div><div>;; WHEN: Tue Aug 14 14:23:44 2018</div><div>;; MSG SIZE rcvd: 57</div></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><div>; <<>> DiG 9.8.1-P1 <<>><span> </span><a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesia.com</a><span> </span>@<a href="http://192.168.77.215/" target="_blank" style="color:rgb(17,85,204)">19<wbr>2.168.77.215</a></div><div>;; global options: +cmd</div><div>;; Got answer:</div><div>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60544</div><div>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0</div><div><br></div><div>;; QUESTION SECTION:</div><div>;<a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesia.com</a>. IN A</div><div><br></div><div>;; ANSWER SECTION:</div><div><a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesia.com</a>. 5979 IN A 107.180.76.89</div><div><br></div><div>;; Query time: 212 msec</div><div>;; SERVER: 192.168.77.215#53(192.168.77.2<wbr>15)</div><div>;; WHEN: Tue Aug 14 14:24:26 2018</div><div>;; MSG SIZE rcvd: 55</div><div><br></div><div>I found that domains that failed to resolved had "query throttled" message, like : [2] <span> </span><a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesia.com</a>: query throttled 216.69.185.1,<span> </span><a href="http://coachingindonesia.com/" target="_blank" style="color:rgb(17,85,204)">coachingindonesi<wbr>a.com</a>; A. I don't know what i have to do, because i can query that domain if i use another dns recursor software in the same machine and IP</div><div><br></div><div>I also attached the trace log query for that domain. </div><div><br></div><div>Thanks</div></div>
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