在安装webmin后，我能够使用vps的ip4访问登录页面。我不能对域名做同样的事情。这是绑定DNS服务器读取的内容：
[root@mserv ~]# systemctl status -l named.service
● named.service - Berkeley Internet Name Domain (DNS)
Loaded: loaded (/usr/lib/systemd/system/named.service; disabled; vendor preset: disabled)
Active: active (running) since Tue 2019-10-08 06:15:02 EDT; 27s ago
Process: 2838 ExecStart=/usr/sbin/named -u named -c ${NAMEDCONF} $OPTIONS (code=exited,
status=0/SUCCESS)
Process: 2836 ExecStartPre=/bin/bash -c if [ ! "$DISABLE_ZONE_CHECKING" == "yes" ]; then
/usr/sbin/named-checkconf -z "$NAMEDCONF"; else echo "Checking of zone files is disabled"; fi
(code=exited, status=0/SUCCESS)
Main PID: 2840 (named)
CGroup: /system.slice/named.service
└─2840 /usr/sbin/named -u named -c /etc/named.conf
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './DNSKEY/IN':
2001:500:2f::f#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './NS/IN':
2001:500:2f::f#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './DNSKEY/IN':
2001:dc3::35#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './NS/IN':
2001:dc3::35#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './DNSKEY/IN':
2001:500:200::b#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './NS/IN':
2001:500:200::b#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './DNSKEY/IN':
2001:500:12::d0d#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: network unreachable resolving './NS/IN':
2001:500:12::d0d#53
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: managed-keys-zone: Key 20326 for zone .
acceptance
timer complete: key now trusted
Oct 08 06:15:02 mserv.bestmails.ga named[2840]: resolver priming query complete
谢谢您的帮助。