51goodstudy.com

Aug 30, 2011 - Jun 11, 2026

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First Updated: Apr 11, 2011
Last Updated: Jun 15, 2026

Current Nameservers 0
Name First Seen
Past Nameservers 20
Name First Seen Last Seen
f1g1ns1.dnspod.net Jun 28, 2019 Jun 11, 2026
f1g1ns2.dnspod.net Jun 28, 2019 Jun 11, 2026
dns6.expirenotification.com Jun 13, 2019 Jun 27, 2019
dns5.expirenotification.com Jun 13, 2019 Jun 27, 2019
f1g1ns1.dnspod.net Jun 12, 2018 Jun 12, 2019
f1g1ns2.dnspod.net Jun 12, 2018 Jun 12, 2019
expirens3.hichina.com Mar 03, 2018 Apr 08, 2018
expirens4.hichina.com Mar 03, 2018 Apr 08, 2018
dns29.hichina.com Sep 09, 2017 Mar 02, 2018
dns30.hichina.com Sep 09, 2017 Mar 02, 2018
vip2.alidns.com Jul 01, 2017 Sep 08, 2017
vip1.alidns.com Jul 01, 2017 Sep 08, 2017
vip1.alidns.com Mar 02, 2017 Mar 06, 2017
vip2.alidns.com Mar 02, 2017 Mar 06, 2017
dns5.expirenotification.com Aug 31, 2012 Sep 28, 2012
dns6.expirenotification.com Aug 31, 2012 Sep 28, 2012
ns13.xincache.com Dec 25, 2011 Aug 30, 2012
ns14.xincache.com Dec 25, 2011 Aug 30, 2012
ns.xinnet.cn Aug 30, 2011 Dec 24, 2011
ns.xinnetdns.com Aug 30, 2011 Dec 24, 2011