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为什么不能正常解析主机名？
[root@312archx64d3 ~]# ping 312debian12x32d2
ping: 312debian12x32d2: Temporary failure in name resolution
[root@312archx64d3 ~]#
[root@312archx64d3 ~]#
[root@312archx64d3 ~]# cat /etc/resolv.conf
domain 192-168-16
search 192-168-16
## nameserver 192.168.16.5
nameserver 192.168.18.204
[root@312archx64d3 ~]#
----------------------------------------------
root@312debian12x32d2:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
2: eth00: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 52:54:00:bc:38:61 brd ff:ff:ff:ff:ff:ff
    altname enp1s0
    inet 192.168.18.204/20 brd 192.168.31.255 scope global dynamic noprefixroute eth00
       valid_lft 386sec preferred_lft 386sec
3: eth01: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 52:54:00:47:96:a7 brd ff:ff:ff:ff:ff:ff
    altname enp7s0
    inet 192.168.34.204/20 brd 192.168.47.255 scope global dynamic noprefixroute eth01
       valid_lft 386sec preferred_lft 386sec
root@312debian12x32d2:~# systemctl    status    named
● named.service - BIND Domain Name Server
     Loaded: loaded (/lib/systemd/system/named.service; disabled; preset: enabled)
     Active: active (running) since Mon 2026-06-01 00:16:03 JST; 4min 28s ago
       Docs: man:named(8)
   Main PID: 9399 (named)
     Status: "running"
      Tasks: 6 (limit: 4710)
     Memory: 29.9M
        CPU: 54ms
     CGroup: /system.slice/named.service
             mq9399 /usr/sbin/named -f -u bind -4

Jun 01 00:16:03 312debian12x32d2 named[9399]: zone 19.168.192.in-addr.arpa/IN: sending notifies (serial 0)
Jun 01 00:16:03 312debian12x32d2 named[9399]: zone 39.168.192.in-addr.arpa/IN: loaded serial 0
Jun 01 00:16:03 312debian12x32d2 named[9399]: all zones loaded
Jun 01 00:16:03 312debian12x32d2 named[9399]: running
Jun 01 00:16:03 312debian12x32d2 named[9399]: zone 33.168.192.in-addr.arpa/IN: sending notifies (serial 0)
Jun 01 00:16:03 312debian12x32d2 systemd[1]: Started named.service - BIND Domain Name Server.
Jun 01 00:16:03 312debian12x32d2 named[9399]: zone 39.168.192.in-addr.arpa/IN: sending notifies (serial 0)
Jun 01 00:16:03 312debian12x32d2 named[9399]: zone 17.168.192.in-addr.arpa/IN: sending notifies (serial 0)
Jun 01 00:16:03 312debian12x32d2 named[9399]: zone 32.168.192.in-addr.arpa/IN: sending notifies (serial 0)
Jun 01 00:16:03 312debian12x32d2 named[9399]: zone 16.168.192.in-addr.arpa/IN: sending notifies (serial 0)
root@312debian12x32d2:~#