このドメインは使い捨てまたは一時メールサービスに関連しています。ユーザーは短期間で期限切れになる使い捨てメールアドレスを作成できます。
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % This is ARNES whois database %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Rights restricted by copyright. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % The WHOIS service offered by Arnes, .si Registry, is % provided for information purposes only. It allows persons % to check whether a specific domain name is still available % or not and to obtain information related to the registration % records of existing domain names. % % This WHOIS service accepts and displays only ASCII characters. % By submitting a query to our WHOIS lookup service, you agree % to the restrictions on the use of WHOIS and WHOIS data as follows: % o You may not allow, enable or otherwise support % the transmission of unsolicited, commercial advertising % or other solicitations, whether via email or otherwise; % o You may not use the information to target advertising % in any possible way; % o You may not cause inconvenience the domain name holders % in any possible way by sending them messages % (whether by automated, electronic processes capable of % enabling high volumes or other possible means); % o You may not copy, extract and/or publish contents % of the WHOIS database. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% domain: f5.si registrar: NETIM SAS registrar-url: https://www.netim.com nameserver: pns101.cloudns.net nameserver: pns102.cloudns.net nameserver: pns103.cloudns.net nameserver: pns104.cloudns.net registrant: O1354276 status: ok created: 2013-07-03 expire: 2030-07-03 source: ARNES Domain holder: NOT DISCLOSED Tech: NOT DISCLOSED %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Full domain details are available here http://www.registry.si %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
ドメインf5.siは、既知の使い捨てメールプロバイダーであるkuku.luによって運営されています。つまり、@f5.siのメールアドレスはすべて一時的なもので、数時間から数日以内に無効になる可能性が高いです。
ユーザーはこのようなドメインのアドレスを作成し、実際のメールアドレスを使わずにサービスに登録することがよくあります。プライバシー保護には便利ですが、無料トライアルやプロモーションの不正利用、認証の回避に使われることが多くあります。