AWS Route53别名值
考虑在AWS Route53上注册的域。到该域的HTTP请求应通过AWS CloudFront CDN分发进行服务。为了实现这一点,A
定义了一个别名记录:
dig
结果
但是,dig
结果显示实际IP地址。实际上,这些IP地址不是恒定的,并且会随着时间变化:
# dig @1.1.1.1 serverlessdaystlv.io
...
;; ANSWER SECTION:
serverlessdaystlv.io. 60 IN A 13.32.67.21
serverlessdaystlv.io. 60 IN A 13.32.67.27
serverlessdaystlv.io. 60 IN A 13.32.67.97
serverlessdaystlv.io. 60 IN A 13.32.67.122
serverlessdaystlv.io. 60 IN A 13.32.67.141
serverlessdaystlv.io. 60 IN A 13.32.67.159
serverlessdaystlv.io. 60 IN A 13.32.67.201
serverlessdaystlv.io. 60 IN A 13.32.67.216
# dig @1.1.1.1 serverlessdaystlv.io
...
;; ANSWER SECTION:
serverlessdaystlv.io. 60 IN A 52.222.232.13
serverlessdaystlv.io. 60 IN A 52.222.232.24
serverlessdaystlv.io. 60 IN A 52.222.232.43
serverlessdaystlv.io. 60 IN A 52.222.232.55
serverlessdaystlv.io. 60 IN A 52.222.232.63
serverlessdaystlv.io. 60 IN A 52.222.232.104
serverlessdaystlv.io. 60 IN A 52.222.232.136
serverlessdaystlv.io. 60 IN A 52.222.232.224
我的问题
什么是Route53别名记录?它是DNS记录的内置类型,还是仅仅是CloudFront发行版的实际IP的内部AWS别名,而该别名从未暴露给外部?