$ nslookup -type=soa lihkg.com Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: lihkg.com origin = kevin.ns.cloudflare.com mail addr = dns.cloudflare.com serial = 2032679273 refresh = 10000 retry = 2400 expire = 604800 minimum = 3600 Authoritative answers can be found from: