十天前，我在 Kimsufi by OVH 安装了一个 Debian 9 版本。我收到一封来自支持人员的电子邮件，其中包含 A 记录的问题，我的服务器是 ns.xzave.net，并且我的服务器上没有记录 A
https://www.whatsmydns.net/#A/ns.xzave.net我没有 A 记录
从谷歌工具箱中挖掘“creation-site-pro.fr”
https://www.toolbox.googleapps.com/apps/dig/#A/
id 5158
opcode QUERY
rcode SERVFAIL
flags QR RD RA
;QUESTION
creation-site-pro.fr. IN A
;ANSWER
;AUTHORITY
;ADDITIONAL
服务bind9状态：
bind9.service - BIND Domain Name Server
Loaded: loaded (/lib/systemd/system/bind9.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2019-06-09 15:48:15 UTC; 6min ago
Docs: man:named(8)
Main PID: 665 (named)
Tasks: 7 (limit: 4915)
CGroup: /system.slice/bind9.service
└─665 /usr/sbin/named -f -u bind
Jun 09 15:48:18 ns named[665]: managed-keys-zone: journal file is out of date: removing journal file
Jun 09 15:48:18 ns named[665]: managed-keys-zone: loaded serial 415
Jun 09 15:48:18 ns named[665]: zone creation-site-pro.fr/IN: loaded serial 2019052810
Jun 09 15:48:18 ns named[665]: zone localhost/IN: loaded serial 2
Jun 09 15:48:18 ns named[665]: zone 0.in-addr.arpa/IN: loaded serial 1
Jun 09 15:48:18 ns named[665]: zone 255.in-addr.arpa/IN: loaded serial 1
Jun 09 15:48:18 ns named[665]: zone 127.in-addr.arpa/IN: loaded serial 1
Jun 09 15:48:18 ns named[665]: all zones loaded
Jun 09 15:48:18 ns named[665]: running
Jun 09 15:48:18 ns named[665]: zone creation-site-pro.fr/IN: sending notifies (serial 2019052810)
文件名为.conf：
// This is the primary configuration file for the BIND DNS server named.
//
// Please read /usr/share/doc/bind9/README.Debian.gz for information on the
// structure of BIND configuration files in Debian, *BEFORE* you customize
// this configuration file.
//
// If you are just adding zones, please do that in /etc/bind/named.conf.local
include "/etc/bind/named.conf.options";
include "/etc/bind/named.conf.local";
include "/etc/bind/named.conf.default-zones";
文件名为.conf.local
zone "creation-site-pro.fr" {
type master;
allow-transfer {213.186.33.199;};
file "/etc/bind/pri.creation-site-pro.fr";
allow-query{any;};
notify yes;
};
文件名为.conf.options
options {
directory "/var/cache/bind";
// If there is a firewall between you and nameservers you want
// to talk to, you may need to fix the firewall to allow multiple
// ports to talk. See http://www.kb.cert.org/vuls/id/800113
// If your ISP provided one or more IP addresses for stable
// nameservers, you probably want to use them as forwarders.
// Uncomment the following block, and insert the addresses replacing
// the all-0's placeholder.
// forwarders {
// 0.0.0.0;
// };
//========================================================================
// If BIND logs error messages about the root key being expired,
// you will need to update your keys. See https://www.isc.org/bind-keys
//========================================================================
dnssec-enable yes;
dnssec-validation auto;
dnssec-lookaside auto;
auth-nxdomain no; # conform to RFC1035
listen-on-v6 { any; };
};
主机名：
ns
主机名-f
ns.xzave.net
哪里有问题？
答案1
根据fr.区域，creation-site-pro.fr有两个名称服务器
creation-site-pro.fr. 172800 IN NS ns.xzave.net.
creation-site-pro.fr. 172800 IN NS ns.kimsufi.com.
这两个中，ns.xzave.net.不存在（xzave.net.甚至不是注册域）并且ns.kimsufi.com.似乎拒绝查询。
虽然您的 Debian 服务器可能已正确配置为回答该区域上的查询，但它无法访问，因为它的主机名ns.xzave.net.未指向它。
您可能需要考虑使用注册商提供的名称服务（如果他们提供）或确保服务器具有指向它的正确 FQDN。您还需要找出拒绝查询的其他服务器。