> On Jan 6, 2026, at 11:25 PM, Marco Moock <[email protected]> wrote: > > On 06.01.2026 15:25 Philip Prindeville via bind-users wrote: > >> And if I modify isc-dhcp to hand out 1.1.1.1 and 1.0.0.1 as name >> servers instead, things don’t work any better, so yeah… looks like a >> packet loss issue. >> >> Which is weird, because when speediest does manage to run, I >> sometimes see 630/95mbs … other times… 45/19mbs. > > Maybe your ISP handles that differently. Try mtr to the speedtest > server and also try UDP speedtests. > > Also run speedtests using iperf. > > PS: Such a packet loss breaks most communication protocols, so it is > definitely not a BIND issue. > > Feel free to try to ping tr.dorfdsl.de, it will reply to ICMP echo > request and ICMP is not blocked.
root@OpenWrt2:~# ping -c 100 82.139.252.18 PING 82.139.252.18 (82.139.252.18): 56 data bytes 64 bytes from 82.139.252.18: seq=15 ttl=44 time=181.893 ms 64 bytes from 82.139.252.18: seq=16 ttl=44 time=198.328 ms 64 bytes from 82.139.252.18: seq=17 ttl=44 time=196.629 ms 64 bytes from 82.139.252.18: seq=18 ttl=44 time=189.267 ms 64 bytes from 82.139.252.18: seq=19 ttl=44 time=190.943 ms 64 bytes from 82.139.252.18: seq=20 ttl=44 time=186.505 ms 64 bytes from 82.139.252.18: seq=21 ttl=44 time=187.158 ms 64 bytes from 82.139.252.18: seq=22 ttl=44 time=305.577 ms 64 bytes from 82.139.252.18: seq=46 ttl=44 time=707.312 ms 64 bytes from 82.139.252.18: seq=47 ttl=44 time=193.969 ms 64 bytes from 82.139.252.18: seq=48 ttl=44 time=183.566 ms 64 bytes from 82.139.252.18: seq=49 ttl=44 time=193.445 ms 64 bytes from 82.139.252.18: seq=50 ttl=44 time=193.228 ms 64 bytes from 82.139.252.18: seq=51 ttl=44 time=250.036 ms 64 bytes from 82.139.252.18: seq=52 ttl=44 time=192.115 ms 64 bytes from 82.139.252.18: seq=53 ttl=44 time=330.809 ms 64 bytes from 82.139.252.18: seq=54 ttl=44 time=290.306 ms 64 bytes from 82.139.252.18: seq=77 ttl=44 time=1948.685 ms 64 bytes from 82.139.252.18: seq=78 ttl=44 time=948.593 ms 64 bytes from 82.139.252.18: seq=79 ttl=44 time=187.235 ms 64 bytes from 82.139.252.18: seq=80 ttl=44 time=197.799 ms 64 bytes from 82.139.252.18: seq=81 ttl=44 time=187.064 ms 64 bytes from 82.139.252.18: seq=82 ttl=44 time=196.853 ms 64 bytes from 82.139.252.18: seq=83 ttl=44 time=195.302 ms 64 bytes from 82.139.252.18: seq=84 ttl=44 time=195.025 ms 64 bytes from 82.139.252.18: seq=85 ttl=44 time=191.321 ms 64 bytes from 82.139.252.18: seq=86 ttl=44 time=205.361 ms --- 82.139.252.18 ping statistics --- 100 packets transmitted, 27 packets received, 73% packet loss round-trip min/avg/max = 181.893/319.419/1948.685 ms root@OpenWrt2:~# Are there any open iperf servers? -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list.
