妙音 posted @ 2018年10月01日 22:15 in docker with tags dnsmasq docker chinadns , 1246 阅读


制作了一个docker镜像,运行dnsmasq。域名解析竟然无应答, no servers cloud be reached
  • 发送请求解析域名
dig @ -p 53

; <<>> DiG 9.11.3-RedHat-9.11.3-4.fc27 <<>> @ -p 53
;; global options: +cmd
;; connection timed out; no servers could be reached
  • dnsmasq打印日志。从日志中发现缺少reply
[root@bogon ss]# docker-compose -f chinadns.yml up dns-dnsmasq

Starting ss_dns-dnsmasq_1 ... done
Attaching to ss_dns-dnsmasq_1
dns-dnsmasq_1   | dnsmasq: started, version 2.79 cachesize 150
dns-dnsmasq_1   | dnsmasq: compile time options: IPv6 GNU-getopt no-DBus no-i18n no-IDN DHCP DHCPv6 no-Lua TFTP no-conntrack ipset auth no-DNSSEC loop-detect inotify
dns-dnsmasq_1   | dnsmasq: using nameserver
dns-dnsmasq_1   | dnsmasq: read /etc/hosts - 7 addresses
dns-dnsmasq_1   | dnsmasq: query[A] from
# 请求发送给了上游dns服务器,无后续reply。再去看上游dns服务器,发现已经解析出了ip
# 而dnsmasq还是无应答
dns-dnsmasq_1   | dnsmasq: forwarded to
dns-dnsmasq_1   | dnsmasq: query[A] from
dns-dnsmasq_1   | dnsmasq: forwarded to




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