Invention Grant
US09258293B1 Safe and secure access to dynamic domain name systems 有权
安全可靠地访问动态域名系统

Safe and secure access to dynamic domain name systems
Abstract:
A method and apparatus for safe and secure access to dynamic domain name systems. In one embodiment a method comprises transmitting a DNS query to a dynamic DNS server. The DNS query comprises a domain name. A DNS answer is received from the dynamic DNS server in response to transmitting the DNS query. The DNS answer comprises an IP address. A request is transmitted to a host at the IP address in response to receiving the DNS answer. A digital certificate is received in response to transmitting the request. The received digital certificate is then compared with each of a plurality of digital certificates stored in memory. The IP address is transmitted to a client computer system if the received digital certificate compares equally with one of the plurality of digital certificates.
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