DNS (systemd-resolved) not working on Arch Linux ARM
DNS (systemd-resolved) not working on Arch Linux ARM
I'm trying to troubleshoot this DNS I have on a small old Odroid C1 board.
I have set up a static IP, but cannot get DNS to work. The image comes with systemd-resolved by default. I have notes that said to set a static IP, then disable systemd-resolved, and after a reboot the DNS would work, but that didn't work. I've looked into systemd-resolved a little bit, and have configured the DNS servers manually, which is required when using a static address.
My gateway is also my DNS.
Here is what I believe to be relevant output:
/etc/systemd/network/eth0.network:
[Match] Name=eth0 [Network] Address=192.168.10.44/24 Gateway=192.168.10.254 DNS=192.168.10.254 DNS=1.1.1.1
Output of resolvectl status
and some pings:
[root@alarm alarm]# resolvectl status Global LLMNR setting: yes MulticastDNS setting: yes DNSOverTLS setting: no DNSSEC setting: allow-downgrade DNSSEC supported: yes Current DNS Server: 1.1.1.1 DNS Servers: 192.168.10.254 1.1.1.1 Fallback DNS Servers: 1.1.1.1 9.9.9.10 8.8.8.8 2606:4700:4700::1111 2620:fe::10 2001:4860:4860::8888 DNSSEC NTA: 10.in-addr.arpa 16.172.in-addr.arpa 168.192.in-addr.arpa 17.172.in-addr.arpa 18.172.in-addr.arpa 19.172.in-addr.arpa 20.172.in-addr.arpa 21.172.in-addr.arpa 22.172.in-addr.arpa 23.172.in-addr.arpa 24.172.in-addr.arpa 25.172.in-addr.arpa 26.172.in-addr.arpa 27.172.in-addr.arpa 28.172.in-addr.arpa 29.172.in-addr.arpa 30.172.in-addr.arpa 31.172.in-addr.arpa corp d.f.ip6.arpa home internal intranet lan local private test Link 2 (eth0) Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6 DefaultRoute setting: yes LLMNR setting: yes MulticastDNS setting: no DNSOverTLS setting: no DNSSEC setting: allow-downgrade DNSSEC supported: yes Current DNS Server: 1.1.1.1 DNS Servers: 192.168.10.254 1.1.1.1 [root@alarm alarm]# ping google.com ping: google.com: Name or service not known [root@alarm alarm]# ping tweakers.net ping: tweakers.net: Name or service not known [root@alarm alarm]# ping 192.168.10.254 PING 192.168.10.254 (192.168.10.254) 56(84) bytes of data. 64 bytes from 192.168.10.254: icmp_seq=1 ttl=64 time=0.329 ms 64 bytes from 192.168.10.254: icmp_seq=2 ttl=64 time=0.243 ms ^C --- 192.168.10.254 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 999ms rtt min/avg/max/mdev = 0.243/0.286/0.329/0.043 ms [root@alarm alarm]# ping 1.1.1.1 PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data. 64 bytes from 1.1.1.1: icmp_seq=1 ttl=58 time=22.3 ms 64 bytes from 1.1.1.1: icmp_seq=2 ttl=58 time=14.3 ms ^C --- 1.1.1.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 14.258/18.280/22.302/4.022 ms
Alternatives to systemd-resolved welcome, just need it to work.
edit:
The solution was to add DNSSEC=no
in /etc/systemd/resolved.conf
. I learned this by running journalctl -u systemd-resolved -f
, which said DNSSEC validation failed for question google.com IN A: failed-auxiliary
.