根服务器被黑过吗?揭秘全球互联网心脏的攻防战,全球互联网心脏,揭秘根服务器安全攻防战
Has the root server ever been hacked? Unveiling the offensive and defensive battle of the global Internet heart, the global Internet heart, unveiling the offensive and defensive battle of root server security
以上为机器翻译结果，长、整句建议使用 人工翻译 。