dns.resolveTlsa(hostname, callback)
- 
hostname<string> - 
callback<Function>- 
err<Error> - 
records<Object[]> 
 - 
 
使用 DNS 协议解析 hostname 的证书关联(TLSA 记录)。传递给 callback 函数的 records 参数是具有以下属性的对象数组:
¥Uses the DNS protocol to resolve certificate associations (TLSA records) for
the hostname. The records argument passed to the callback function is an
array of objects with these properties:
- 
certUsage - 
selector - 
match - 
data 
{
  certUsage: 3,
  selector: 1,
  match: 1,
  data: [ArrayBuffer]
}