互联网档案馆 Internet Archive: Digital Library of Free & Borrowable Texts, Movies, Music & Wayback Machine
DNS Lookup Find all DNS records for a domain name with this online tool. Nslookup shows A, AAAA, CNAME, TXT, MX, SPF, NS, SOA and more.
WHOIS Find information on any domain name or website. Large database of whois information, DNS, domain names, name servers, IPs, and tools for searching and monitoring domain names.