Hello,
I observed very weird behaviour that I can reproduce on both these BIND9
versions:
BIND 9.11.4-P2-RedHat-9.11.4-9.P2.el7 (Extended Support Version)
<id:7107deb> (slave)
BIND 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.1 (master)
Someone has created a wildcard CNAME:
*.prod.app.pcp.cn.prod. 300 IN CNAME
gs-vip.prod-wq-01.k8s.pcp.cn.prod.
Which was working just fine, everything behind this wildcard was working
as a CNAME:
# dig test.prod.app.pcp.cn.prod +short
gs-vip.prod-wq-01.k8s.pcp.cn.prod.
But moment when someone has created another record (CNAME as well) behind it
funding-gw.payis.prod.app.pcp.cn.prod. 30 IN CNAME
gs-vip.prod-wq-01.k8s.pcp.cn.prod.
Records that are anywhere in the path of this new record stopped
working, for example
payis.prod.app.pcp.cn.prod would NOT work
test.payis.prod.app.pcp.cn.prod would NOT work
test.prod.app.pcp.cn.prod would work
Why is this? Is that normal or a bug?
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