Expired65% confidenceFactExact time
DNS (Domain Name System) is responsible for translating human-readable domain names into machine-readable IP addresses.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Complete Guide to Alibaba Cloud Website Architecture: The Full Request Path from DNS to Auto Scaling
bilibili老男孩IT6/10/2026
Related Claims
Unverified任何一个已注册的域名，无论是否配置网站或邮件服务，都必然拥有DNS记录75% similarUnverifiedDNS resolvers cache queried records in memory so that subsequent queries for the same domain name can return results directly without the need for recursive queries again.73% similarVerifiedAn A record is used to map a domain name directly to an IPv4 address, while a CNAME record is used to point one domain name to another domain name.71% similarUnverifiedA PTR record (Pointer Record) is the core resource record type for reverse DNS resolution, pointing an IP address to a domain name.70% similarUnverifiedDKIM公钥以'选择器._domainkey.域名'的格式存储在DNS记录中69% similar
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