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<p id="reply-intro">Hi Anthony,</p>
<p>Thanks for bringing this to our attention! I've verified, and Unbound was indeed not reachable by the system. I've updated the guide to overwrite /etc/resolv.conf, which should resolve the problem.</p>
<p>Best,<br />Tom<br /><br />On 2022-05-27 01:40, ANTHONY MODSTER via Unbound-users wrote:</p>
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<div dir="ltr">Hello</div>
<div dir="ltr"> </div>
<div dir="ltr">
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<div><span style="white-space: pre-wrap;"> </span>Ubuntu can't send to Unbound</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>Ubuntu 20.04</div>
<div><span style="white-space: pre-wrap;"> </span>unbound Version 1.9.4</div>
<div><span style="white-space: pre-wrap;"> </span>Following steps for Single Machine</div>
<div><span style="white-space: pre-wrap;"> </span>https://unbound.docs.nlnetlabs.nl/en/latest/use-cases/home-resolver.html#setting-up-for-a-single-machine</div>
<div><span style="white-space: pre-wrap;"> </span>systemctl status unbound</div>
<div><span style="white-space: pre-wrap;"> </span>● unbound.service - Unbound DNS server</div>
<div><span style="white-space: pre-wrap;"> </span> Loaded: loaded (/lib/systemd/system/unbound.service; enabled; vendor preset: enabled)</div>
<div><span style="white-space: pre-wrap;"> </span> Active: active (running) since Thu 2022-05-26 09:25:41 PDT; 16s ago</div>
<div><span style="white-space: pre-wrap;"> </span> Docs: man:unbound(8)</div>
<div><span style="white-space: pre-wrap;"> </span> Process: 15561 ExecStartPre=/usr/lib/unbound/package-helper chroot_setup (code=exited, status=0/SUCCESS)</div>
<div><span style="white-space: pre-wrap;"> </span> Process: 15564 ExecStartPre=/usr/lib/unbound/package-helper root_trust_anchor_update (code=exited, status=0/SUCCESS)</div>
<div><span style="white-space: pre-wrap;"> </span> Main PID: 15569 (unbound)</div>
<div><span style="white-space: pre-wrap;"> </span> Tasks: 1 (limit: 9415)</div>
<div><span style="white-space: pre-wrap;"> </span> Memory: 6.1M</div>
<div><span style="white-space: pre-wrap;"> </span> CGroup: /system.slice/unbound.service</div>
<div><span style="white-space: pre-wrap;"> </span> └─15569 /usr/sbin/unbound -d</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:40 ubuntu systemd[1]: Starting Unbound DNS server...</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:40 ubuntu package-helper[15567]: /var/lib/unbound/root.key has content</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:40 ubuntu package-helper[15567]: success: the anchor is ok</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] notice: init module 0: subnet</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] notice: init module 1: validator</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] notice: init module 2: iterator</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] info: start of service (unbound 1.9.4).</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu systemd[1]: Started Unbound DNS server.</div>
<div><span style="white-space: pre-wrap;"> </span>Before resolved.conf change</div>
<div><span style="white-space: pre-wrap;"> </span>dig example.com @127.0.0.1</div>
<div><span style="white-space: pre-wrap;"> </span>; <<>> DiG 9.16.1-Ubuntu <<>> example.com @127.0.0.1</div>
<div><span style="white-space: pre-wrap;"> </span>;; global options: +cmd</div>
<div><span style="white-space: pre-wrap;"> </span>;; Got answer:</div>
<div><span style="white-space: pre-wrap;"> </span>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50659</div>
<div><span style="white-space: pre-wrap;"> </span>;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>;; OPT PSEUDOSECTION:</div>
<div><span style="white-space: pre-wrap;"> </span>; EDNS: version: 0, flags:; udp: 4096</div>
<div><span style="white-space: pre-wrap;"> </span>;; QUESTION SECTION:</div>
<div><span style="white-space: pre-wrap;"> </span>;example.com.<span style="white-space: pre-wrap;"> </span>IN<span style="white-space: pre-wrap;"> </span>A</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>;; ANSWER SECTION:</div>
<div><span style="white-space: pre-wrap;"> </span>example.com.<span style="white-space: pre-wrap;"> </span>86400<span style="white-space: pre-wrap;"> </span>IN<span style="white-space: pre-wrap;"> </span>A<span style="white-space: pre-wrap;"> </span>93.184.216.34</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>;; Query time: 356 msec</div>
<div><span style="white-space: pre-wrap;"> </span>;; SERVER: 127.0.0.1#53(127.0.0.1)</div>
<div><span style="white-space: pre-wrap;"> </span>;; WHEN: Thu May 26 09:23:56 PDT 2022</div>
<div><span style="white-space: pre-wrap;"> </span>;; MSG SIZE rcvd: 56</div>
<div><span style="white-space: pre-wrap;"> </span>dig example.com</div>
<div><span style="white-space: pre-wrap;"> </span>; <<>> DiG 9.16.1-Ubuntu <<>> example.com</div>
<div><span style="white-space: pre-wrap;"> </span>;; global options: +cmd</div>
<div><span style="white-space: pre-wrap;"> </span>;; Got answer:</div>
<div><span style="white-space: pre-wrap;"> </span>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12701</div>
<div><span style="white-space: pre-wrap;"> </span>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>;; OPT PSEUDOSECTION:</div>
<div><span style="white-space: pre-wrap;"> </span>; EDNS: version: 0, flags:; udp: 65494</div>
<div><span style="white-space: pre-wrap;"> </span>;; QUESTION SECTION:</div>
<div><span style="white-space: pre-wrap;"> </span>;example.com.<span style="white-space: pre-wrap;"> </span>IN<span style="white-space: pre-wrap;"> </span>A</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>;; ANSWER SECTION:</div>
<div><span style="white-space: pre-wrap;"> </span>example.com.<span style="white-space: pre-wrap;"> </span>5<span style="white-space: pre-wrap;"> </span>IN<span style="white-space: pre-wrap;"> </span>A<span style="white-space: pre-wrap;"> </span>93.184.216.34</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>;; Query time: 24 msec</div>
<div><span style="white-space: pre-wrap;"> </span>;; SERVER: 127.0.0.53#53(127.0.0.53)</div>
<div><span style="white-space: pre-wrap;"> </span>;; WHEN: Thu May 26 09:20:57 PDT 2022</div>
<div><span style="white-space: pre-wrap;"> </span>;; MSG SIZE rcvd: 56</div>
<div><span style="white-space: pre-wrap;"> </span>sudo gedit /etc/systemd/resolved.conf</div>
<div><span style="white-space: pre-wrap;"> </span>[Resolve]</div>
<div><span style="white-space: pre-wrap;"> </span>DNS=127.0.0.1</div>
<div><span style="white-space: pre-wrap;"> </span>#DNS=</div>
<div><span style="white-space: pre-wrap;"> </span>#FallbackDNS=</div>
<div><span style="white-space: pre-wrap;"> </span>#Domains=</div>
<div><span style="white-space: pre-wrap;"> </span>#LLMNR=no</div>
<div><span style="white-space: pre-wrap;"> </span>#MulticastDNS=no</div>
<div><span style="white-space: pre-wrap;"> </span>#DNSSEC=no</div>
<div><span style="white-space: pre-wrap;"> </span>#DNSOverTLS=no</div>
<div><span style="white-space: pre-wrap;"> </span>#Cache=no-negative</div>
<div><span style="white-space: pre-wrap;"> </span>DNSStubListener=no</div>
<div><span style="white-space: pre-wrap;"> </span>#DNSStubListener=yes</div>
<div><span style="white-space: pre-wrap;"> </span>#ReadEtcHosts=yes</div>
<div><span style="white-space: pre-wrap;"> </span>systemctl restart systemd-resolved</div>
<div><span style="white-space: pre-wrap;"> </span>systemctl status unbound</div>
<div><span style="white-space: pre-wrap;"> </span>● unbound.service - Unbound DNS server</div>
<div><span style="white-space: pre-wrap;"> </span> Loaded: loaded (/lib/systemd/system/unbound.service; enabled; vendor preset: enabled)</div>
<div><span style="white-space: pre-wrap;"> </span> Active: active (running) since Thu 2022-05-26 09:25:41 PDT; 5min ago</div>
<div><span style="white-space: pre-wrap;"> </span> Docs: man:unbound(8)</div>
<div><span style="white-space: pre-wrap;"> </span> Process: 15561 ExecStartPre=/usr/lib/unbound/package-helper chroot_setup (code=exited, status=0/SUCCESS)</div>
<div><span style="white-space: pre-wrap;"> </span> Process: 15564 ExecStartPre=/usr/lib/unbound/package-helper root_trust_anchor_update (code=exited, status=0/SUCCESS)</div>
<div><span style="white-space: pre-wrap;"> </span> Main PID: 15569 (unbound)</div>
<div><span style="white-space: pre-wrap;"> </span> Tasks: 1 (limit: 9415)</div>
<div><span style="white-space: pre-wrap;"> </span> Memory: 6.4M</div>
<div><span style="white-space: pre-wrap;"> </span> CGroup: /system.slice/unbound.service</div>
<div><span style="white-space: pre-wrap;"> </span> └─15569 /usr/sbin/unbound -d</div>
<div> </div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:40 ubuntu systemd[1]: Starting Unbound DNS server...</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:40 ubuntu package-helper[15567]: /var/lib/unbound/root.key has content</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:40 ubuntu package-helper[15567]: success: the anchor is ok</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] notice: init module 0: subnet</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] notice: init module 1: validator</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] notice: init module 2: iterator</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu unbound[15569]: [15569:0] info: start of service (unbound 1.9.4).</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:25:41 ubuntu systemd[1]: Started Unbound DNS server.</div>
<div><span style="white-space: pre-wrap;"> </span>May 26 09:26:55 ubuntu unbound[15569]: [15569:0] info: generate keytag query _ta-4f66. NULL IN</div>
<div><span style="white-space: pre-wrap;"> </span>dig example.com</div>
<div><span style="white-space: pre-wrap;"> </span>; <<>> DiG 9.16.1-Ubuntu <<>> example.com</div>
<div><span style="white-space: pre-wrap;"> </span>;; global options: +cmd</div>
<div><span style="white-space: pre-wrap;"> </span>;; connection timed out; no servers could be reached</div>
<div> </div>
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<div dir="ltr">Thanks</div>
<div dir="ltr"> </div>
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