Searching for tiennguyen.tk. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for tiennguyen.tk. A record at c.ns.tk. [194.0.40.1] ...took 14 ms
Searching for tiennguyen.tk. A record at c.ns.tk. [194.0.40.1] ...took 14 ms
Nameserver c.ns.tk. reports: No such host tiennguyen.tk
hint: Try www.tiennguyen.tk instead.
Total elapsed query time: 29 ms