From time to time my MikroTik logs the following message:
Code: Select all
dns,warning DoH server response not OK: 502: no downstream server available
Code: Select all
22:11:00 dns,packet --- got query from 192.168.11.100:17596:
22:11:00 dns,packet id:609 rd:1 tc:0 aa:0 qr:0 ra:0 QUERY 'no error'
22:11:00 dns,packet question: tracker.lelux.fi.:A:IN
22:11:00 dns query from 192.168.11.100: #409897 tracker.lelux.fi. A
22:11:00 dns,packet --- got query from 192.168.11.100:45539:
22:11:00 dns,packet id:7e2b rd:1 tc:0 aa:0 qr:0 ra:0 QUERY 'no error'
22:11:00 dns,packet question: tracker.lelux.fi.:AAAA:IN
22:11:00 dns query from 192.168.11.100: #409898 tracker.lelux.fi. AAAA
22:11:00 dns done query: #409897 tracker.lelux.fi. 95.217.161.135
22:11:00 dns,packet --- sending reply to 192.168.11.100:17596:
22:11:00 dns,packet id:609 rd:1 tc:0 aa:0 qr:1 ra:1 QUERY 'no error'
22:11:00 dns,packet question: tracker.lelux.fi.:A:IN
22:11:00 dns,packet answer:
22:11:00 dns,packet <tracker.lelux.fi.:A:22179=95.217.161.135>
22:11:03 dns,warning DoH server response not OK: 502: no downstream server available
22:11:03 dns done query: #409898 dns server failure
22:11:03 dns,packet --- sending reply to 192.168.11.100:45539:
22:11:03 dns,packet id:7e2b rd:1 tc:0 aa:0 qr:1 ra:1 QUERY 'server failure'
22:11:03 dns,packet question: tracker.lelux.fi.:AAAA:IN