ubuntuusers.de

resolvectl status

Global
       LLMNR setting: no
MulticastDNS setting: no
  DNSOverTLS setting: no
      DNSSEC setting: no
    DNSSEC supported: no
          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 3 (wlo2)
       Current Scopes: none
 DefaultRoute setting: no
        LLMNR setting: no
 MulticastDNS setting: no
   DNSoverTLS setting: no
       DNSSEC setting: no
     DNSSEC supported: no
 
 Link 2 (eno1)
      Current Scopes: none
 DefaultRoute setting: no
        LLMNR setting: no
 MulticastDNS setting: no
   DNSoverTLS setting: no
       DNSSEC setting: no
     DNSSEC supported: no


    
  
                        

host -v -t a berlin.de

Trying "berlin.de"
Host berlin.de not found: 2(SERVFAIL)
Received 27 bytes from 127.0.0.53#53 in 4ms

host -t a ulm.de 1.1.1.1

Using domain server:
Name: 1.1.1.1
Address:  1.1.1.1#53
Aliases:

ulm.de has address 13.69.68.7

ping 10.1.65.19

PING 10.1.65.19 56(84) bytes of data
--- 10.1.65.19 ping statistics ---
5 packetss transmitted, 0 received, 100% packet loss, time 4095ms

sudo /etc/hosts

185.125.190.36 archive.ubuntu.com
142.251.209.142 google.com

cat /etc/resolv.conf

no such file or directory

host -t a -v hamburg.de

Trying "hamburg.de"
connection timed out; no servers could be reached

sudo resolvconf -u

sudo: resolvconf: command not found

cat /etc/resolv.conf

no such file or directory

systemctl status systemd-resolved

systemd-resolved.service - Network Name Resolution
   Loaded: loaded (/lib/systemd/system/systemd-resolved.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:systemd-resolved.service(8)
           https://www.freedesktop.org/wiki/Software/systemd/resolved
           https://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
           https://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients           

systemctl status systemd-resolved.service

Created symlink /etc/systemd/system/dbus-org.freedesktop.resolve1.service -> /lib/systemd/system/systemd-resolved.service.
Created symlink /etc/systemd/system/multi-user.rarget.wants/systemd-resolved.service -> /lib/systemd/system/systemd-resolved.service
hiopos@hioposfcc:/etc/netplan$ sudo systemctl start systemd-resolved.service
hiopos@hioposfcc:/etc/netplan$ systemctl status systemd-resolved.service
systemd-resolved.service - Network Name Resolution
   Loaded: loaded (/lib/systemd/system/systemd-resolved.service; enabled; vendor preset: enabled)
   Active: active (runnin) since Thu 2023-12-28 09:14:34 UTC; 1min 52s ago
     Docs: man:systemd-resolved.service(8)
     https://www.freedesktop.org/wiki/Software/systemd/resolved
     https://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
     https://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients
Main PID: 2157 (systemd-resolve)
   Status: "Processing requests..."
    Tasks: 1 (limit: 4095)
   Memory: 5.0M
   CGroup: /system.slice/systemd-resolved.service
           |-2157 /lib/systemd/systemd-resolved

Dez 28 09:14:34 hioposfcc systemd[1]: Starting Network Name Resolution...
Dez 28 09:14:34 hioposfcc systemd-resolved[2157]: Positive Trust Anchors:
Dez 28 09:14:34 hioposfcc systemd-resolved[2157]: . IN DS 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d
Dez 28 09:14:34 hioposfcc systemd-resolved[2157]: Negative trust anchors: 10.in-addr.arpa 16.172.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 
Dez 28 09:14:34 hioposfcc systemd-resolved[2157]: Using system hostname 'hioposfcc'.
Dez 28 09:14:34 hioposfcc systemd[1]: Started Network Name Resolution

cat /etc/resolv.conf

cat: /etc/resolv.conf: no such file or directory

which resolvconf

cat /etc/systemd/resolved.conf

#  This file is part of systemd
#
#  systemd is free software; you can redistribute it and/or modify it
# under the terms of th GNU lesser General public license as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your own option) any later version.
#  
# Entries in this file show the compile time defaults
#  You can change settings vby editing this file.
#  Defaults can be restored by simply deleting this file
#
#See resolved.conf(5) for details

[Resolve]
#DNS=
#FallbackDNS=
#Domains=
#LLMNR=no
#MulticastDNS=no
#DNSSEC=no
#DNSoverTLS=no
#Cache=no-negative
#DNSStubListener=yes
#ReadEtcHosts=yes
hiopos@hioposffcc:/etc/netplan$ cat /etc/resolv.conf
cat: /etc/resolv.conf: No such file or directory

cat /etc/systemd/resolved.conf | grep -v '#'

[Resolve]
DNS=1.1.1.1 9.9.9.9
FallbackDNS=8.8.8.8 4.2.2.2
LLMNR=no
MulticastDNS=yes
DNSStubListener=yes
ReadEtcHosts=yes
Cache=yes