Free online network tools
Free online network tools, including traceroute, nslookup, dig, whois, ping, and our own Domain Dossier and Email Dossier. Works with IPv6.
ICANN Lookup
The ICANN registration data lookup tool gives you the ability to look up the current registration data for domain names and Internet number resources.
IP
Determines your IP address and shows information (host, location, whois) about any IP address entered. Looks up to 10 IP addresses at the same time.
IPNetwork Lookup
Use this IP / Network Lookup to do a WHOIS query and check the owner and/or the administrator of an IP address or network with their contact details.
NET domain WHOIS Search
Find the expiry date, registered owner & technical details of any .NET domain names with our WHOIS search ... NET WHOIS LOOKUP. DOMAIN NAME REGISTRATION ...
Network Tools
All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or Host Name. Links in the results will ...
Whois
請輸入網域名稱或IP: *輸入資料後,請以滑鼠點擊放大鏡圖示送出查詢. 域名服務. 域名類別 · 域名申請/續用 · 受理註冊機構 · 成為TWNIC受理註冊機構 · 服務條款及公告 ...