[FIG(quote)[ [FIGCAPTION[ [1] [CITE@en[Resources - ICANN]] ([[]] 著, [TIME[2015-07-24 19:58:02 +09:00]] 版) ]FIGCAPTION] > 127.0.53.53 is a special IPv4 address that will appear in system logs alerting system administrators that there is potential name collision issue, enabling a quick diagnosis and remediation. The "53" is used as a mnemonic to indicate a DNS-related problem owing to the use of network port 53 for the DNS service. ]FIG] [2] [CITE@ja[ICANN理事会による名前衝突問題への対応フレームワーク承認のアナウンス - JPNIC]] ([[Japan Network Information Center]] 著, [TIME[2015-08-13 14:32:24 +09:00]] 版) [3] [CITE[ChromeのERR_ICANN_NAME_COLLISION - あすのかぜ]] ([TIME[2015-08-06 22:49:23 +09:00]] 版) [4] [CITE[Issue 1035803003: Fail DNS resolution if the result contains 127.0.53.53. - Code Review]] ([TIME[2015-08-13 14:33:37 +09:00]] 版) [5] [CITE[Issue 1002283005: Add an error page for net::ERR_ICANN_NAME_COLLISION. - Code Review]] ([TIME[2015-08-13 14:33:43 +09:00]] 版) [6] [CITE@en[ICANN Approves Name Collision Occurrence Management Framework | Special IP Address (127.0.53.53) Alerts System Administrators of Potential Issue - ICANN]] ([[]] 著, [TIME[2015-08-13 14:37:30 +09:00]] 版) [7] [CITE@en[ICANN Approves Name Collision Occurrence Management Framework | Special IP Address (127.0.53.53) Alerts System Administrators of Potential Issue - ICANN]] ([[]] 著, [TIME[2016-03-24 01:07:16 +09:00]] 版)