DNS/registrar攻略について、ここに記述してください。

Security Update: Yesterday’s DNS Attack (BLOCKCHAIN)
https://blog.blockchain.com/2016/10/13/security-update-yesterdays-dns-attack/

our registrar’s systems were breached by a highly sophisticated attack against the registrar’s infrastructure 

{{{
Domain Information
Domain:blockchain.com
Registrar:ENOM, INC.
Registration Date:2011-03-08
Expiration Date:2019-03-08
Updated Date:2016-10-12
Status:clientTransferProhibited
Name Servers:
beth.ns.cloudflare.com
jay.ns.cloudflare.com
}}}