DNS域名的工作原理
2022/05/09 20:50:20
鍦ㄥ皢鍩熻縼绉诲埌 Amazon 鐨 Route53 涔嬪墠锛屾垜浠簲璇ラ鍏堢‘淇濇垜浠纭悊瑙 DNS 鐨勫伐浣滃師鐞
铏界劧鎴戜滑灏嗗湪鏈郴鍒楃殑绗簩閮ㄥ垎浠嬬粛AWS 鐨 Route53 鍩熷悕绯荤粺 (DNS) 鏈嶅姟锛屼絾鎴戣涓洪鍏堢‘淇濇垜浠纭悊瑙NS 鐨勪竴鑸伐浣滃師鐞嗕細寰堟湁甯姪銆備竴鏃︽垜浠啛鎮変簡 DNS 娴佺▼鍜屾湳璇紝鎴戜滑灏嗘帰绱㈠皢鐜版湁鍩熻縼绉诲埌 Route53銆
DNS 鎻愪緵浜虹被鍙鍚嶇О锛堝www.amazon.com锛変笌鍏剁浉鍏 IP 鍦板潃锛堝205.251.242.103锛変箣闂寸殑鏄犲皠銆備笌鐢佃瘽绨跨浉姣旓紝 DNS 鏄渶濂界殑锛屾偍鍙互鍦ㄧ數璇濈翱涓煡鎵剧敱鏇村鏄撹浣忕殑鍚嶇О鍒楀嚭鐨勭數璇濆彿鐮併侱NS 灞炰簬搴旂敤灞傚崗璁
鐢ㄦ埛鍦ㄤ粬鐨勬祻瑙堝櫒涓敭鍏ww.amazon.com 锛岀劧鍚庡悜 DNS 鏈嶅姟鍣ㄦ煡璇 amazon.com 鐨 IP 鍦板潃銆傛湇鍔″櫒杩斿洖浜氶┈閫婄殑鍦板潃锛屽洜姝ゆ祻瑙堝櫒鍙互浠庝簹椹婄殑缃戠粶涓绘満璇锋眰鏁版嵁锛岃涓绘満杩斿洖鍦ㄦ湰鍦版祻瑙堝櫒涓瀯寤轰富椤垫墍闇鐨勫厓绱犮
DNS 鐨勫伐浣滃師鐞嗭細鍩熷悕绯荤粺鏈
鍩熷悕
鍩熷悕鏄垜浠湪 Web 娴忚鍣 URL 瀛楁涓敭鍏ョ殑浜虹被鍙鍚嶇О锛屼緥濡 amazon.com銆備簰鑱旂綉鍚嶇О涓庢暟瀛楀湴鍧鍒嗛厤鏈烘瀯 ( ICANN ) 绠＄悊杩欎簺鍩熷悕
椤剁骇鍩熷悕 (TLD)
TLD 鏄寚鍩熷悕鐨勬渶鍚庝竴閮ㄥ垎銆備緥濡傦紝amazon .com涓殑.com鏄《绾у煙銆傛渶甯歌鐨 TLD 鍖呮嫭 .com銆.net銆乷rg 鍜 .info銆傚浗瀹朵唬鐮 TLD 浠ｈ〃鐗瑰畾鐨勫湴鐞嗕綅缃備緥濡傦細.in 浠ｈ〃鍗扳嬧嬪害銆備互涓嬫槸鏇村绀轰緥锛
com - 鍟嗕笟浼佷笟銆
gov鈥斺旂編鍥芥斂搴滄満鏋勩
edu 鈥 澶у绛夋暀鑲叉満鏋勩
org - 缁勭粐锛堜富瑕佹槸闈炶惀鍒╃粍缁囷級銆
mil鈥斺斿啗浜嬨
缃戠粶鈥斺旂綉缁滅粍缁囥
eu鈥斺旀鐩熴
浜岀骇鍩熷悕
杩欐槸浣嶄簬TLD涔嬪墠鐨勫煙鍚嶉儴鍒嗭紝渚嬪锛 amazon .com銆
瀛愬煙
鍙互鍒涘缓瀛愬煙鏉ヨ瘑鍒綉绔欑殑鐙壒鍐呭鍖哄煙銆備緥濡俛ws .amazon.com 鐨 aws銆
鍩熷悕娉ㄥ唽鍟
閫氳繃绠＄悊鍩熷悕淇濈暀锛屽煙鍚嶆敞鍐屽晢瀵 DNS 鐨勫伐浣滄柟寮忚嚦鍏抽噸瑕併侷CANN鐩墠鍏佽缁勭粐鍏呭綋鐗瑰畾鏇撮珮绾у埆鍩熺殑鍩熷悕娉ㄥ唽鍟嗐
鍚嶇О鏈嶅姟鍣
涓庣數璇濈翱涓鏍凤紝鍚嶇О鏈嶅姟鍣ㄦ槸涓 IP 鍦板潃鍖归厤鐨勫煙鍚嶇殑闆嗗悎銆
DNS 鐨勫伐浣滃師鐞嗭細鍩熷悕绯荤粺璁板綍绫诲瀷
涓涓褰
鍦板潃璁板綍銆侫 璁板綍灏嗘湇鍔″櫒 IP 鍦板潃鏄犲皠鍒板煙鍚嶃備緥濡傦紝72.21.206.6 鍒 amazon.com銆
CNAME
瑙勮寖鍚嶇О璁板綍銆侰NAME 璁板綍灏嗕竴涓煙寤虹珛涓哄彟涓涓煙鐨勫埆鍚嶏紙浠庤屽皢瀵诲潃鍒板埆鍚嶇殑鎵鏈夋祦閲忚矾鐢卞埌鐩爣锛涜鑼冨湴鍧锛夈
鍒悕璁板綍
涓 CNAME 璁板綍涓鏍凤紝鍒悕璁板綍鍙敤浜庡皢涓涓湴鍧鏄犲皠鍒板彟涓涓湴鍧銆備絾鍒悕鍙互涓庝娇鐢ㄧ浉鍚屽悕绉扮殑鍏朵粬璁板綍鍏卞瓨銆
MX 璁板綍
閭欢浜ゆ崲璁板綍銆傝繖浜涜褰曚細灏嗗煙鐨勭數瀛愰偖浠堕噸瀹氬悜鍒版墭绠″煙鐢ㄦ埛甯愭埛鐨勬湇鍔″櫒銆傞偖浠朵氦鎹㈣褰曠敤浜庣‘瀹氬煙鐨勭數瀛愰偖浠舵湇鍔″櫒鐨勪紭鍏堢骇銆
DNS 鐨勫伐浣滃師鐞
褰撶敤鎴峰湪娴忚鍣ㄤ腑閿叆浜虹被鍙鐨勫湴鍧鏃讹紝鎿嶄綔绯荤粺鐨 DNS 瀹㈡埛绔皢妫鏌ユ湰鍦扮紦瀛樹腑鐨勪俊鎭傚鏋滆姹傜殑鍦板潃涓嶅瓨鍦紝瀹冨皢鍦ㄥ眬鍩熺綉 (LAN) 涓煡鎵惧煙鍚嶇郴缁熸湇鍔″櫒銆傚綋鏈湴 DNS 鏈嶅姟鍣ㄦ敹鍒版煡璇紝骞舵壘鍒拌姹傜殑鍩熷悕鏃讹紝瀹冧細杩斿洖缁撴灉銆
濡傛灉鏈壘鍒拌鍚嶇О锛屾湰鍦版湇鍔″櫒浼氬皢鏌ヨ杞彂鍒 DNS 缂撳瓨鏈嶅姟鍣紝璇ユ湇鍔″櫒閫氬父鐢 Internet 鏈嶅姟鎻愪緵鍟 (ISP) 鎻愪緵銆傜敱浜 DNS 鏈嶅姟鍣ㄧ殑缂撳瓨鍖呭惈 DNS 璁板綍鐨勪复鏃跺瓨鍌紝鍥犳瀹冨皢蹇熷搷搴旇姹傘傝繖浜 DNS 缂撳瓨鏈嶅姟鍣ㄧО涓洪潪鏉冨▉ DNS 鏈嶅姟鍣 锛屽洜涓哄畠浠牴鎹粠鏉冨▉ DNS 鏈嶅姟鍣ㄨ幏鍙栫殑缂撳瓨鍊兼彁渚涜姹傝В鏋愩
鏉冨▉鏍瑰悕绉版湇鍔″櫒缁存姢骞舵彁渚涙瘡涓《绾у煙锛.com銆.org 绛夛級鐨勬潈濞佸悕绉版湇鍔″櫒鍒楄〃銆
鏉冨▉椤剁骇鍩熷悕鏈嶅姟鍣ㄧ淮鎶ゅ苟鎻愪緵鎵鏈夊煙锛坓mail.com銆亀ikipedia.org 绛夛級鐨勬潈濞佸悕绉版湇鍔″櫒鍒楄〃銆傚畠鐨勫伐浣滄槸鏌ヨ鍚嶇О鏈嶅姟鍣ㄤ互鏌ユ壘骞惰繑鍥炴墍璇锋眰鍩熺殑鏉冨▉鍚嶇О鏈嶅姟鍣ㄣ
铏界劧鎴戜滑灏嗗湪鏈郴鍒楃殑绗簩閮ㄥ垎浠嬬粛AWS 鐨 Route53 鍩熷悕绯荤粺 (DNS) 鏈嶅姟锛屼絾鎴戣涓洪鍏堢‘淇濇垜浠纭悊瑙NS 鐨勪竴鑸伐浣滃師鐞嗕細寰堟湁甯姪銆備竴鏃︽垜浠啛鎮変簡 DNS 娴佺▼鍜屾湳璇紝鎴戜滑灏嗘帰绱㈠皢鐜版湁鍩熻縼绉诲埌 Route53銆
DNS 鎻愪緵浜虹被鍙鍚嶇О锛堝www.amazon.com锛変笌鍏剁浉鍏 IP 鍦板潃锛堝205.251.242.103锛変箣闂寸殑鏄犲皠銆備笌鐢佃瘽绨跨浉姣旓紝 DNS 鏄渶濂界殑锛屾偍鍙互鍦ㄧ數璇濈翱涓煡鎵剧敱鏇村鏄撹浣忕殑鍚嶇О鍒楀嚭鐨勭數璇濆彿鐮併侱NS 灞炰簬搴旂敤灞傚崗璁
鐢ㄦ埛鍦ㄤ粬鐨勬祻瑙堝櫒涓敭鍏ww.amazon.com 锛岀劧鍚庡悜 DNS 鏈嶅姟鍣ㄦ煡璇 amazon.com 鐨 IP 鍦板潃銆傛湇鍔″櫒杩斿洖浜氶┈閫婄殑鍦板潃锛屽洜姝ゆ祻瑙堝櫒鍙互浠庝簹椹婄殑缃戠粶涓绘満璇锋眰鏁版嵁锛岃涓绘満杩斿洖鍦ㄦ湰鍦版祻瑙堝櫒涓瀯寤轰富椤垫墍闇鐨勫厓绱犮
DNS 鐨勫伐浣滃師鐞嗭細鍩熷悕绯荤粺鏈
鍩熷悕
鍩熷悕鏄垜浠湪 Web 娴忚鍣 URL 瀛楁涓敭鍏ョ殑浜虹被鍙鍚嶇О锛屼緥濡 amazon.com銆備簰鑱旂綉鍚嶇О涓庢暟瀛楀湴鍧鍒嗛厤鏈烘瀯 ( ICANN ) 绠＄悊杩欎簺鍩熷悕
椤剁骇鍩熷悕 (TLD)
TLD 鏄寚鍩熷悕鐨勬渶鍚庝竴閮ㄥ垎銆備緥濡傦紝amazon .com涓殑.com鏄《绾у煙銆傛渶甯歌鐨 TLD 鍖呮嫭 .com銆.net銆乷rg 鍜 .info銆傚浗瀹朵唬鐮 TLD 浠ｈ〃鐗瑰畾鐨勫湴鐞嗕綅缃備緥濡傦細.in 浠ｈ〃鍗扳嬧嬪害銆備互涓嬫槸鏇村绀轰緥锛
com - 鍟嗕笟浼佷笟銆
gov鈥斺旂編鍥芥斂搴滄満鏋勩
edu 鈥 澶у绛夋暀鑲叉満鏋勩
org - 缁勭粐锛堜富瑕佹槸闈炶惀鍒╃粍缁囷級銆
mil鈥斺斿啗浜嬨
缃戠粶鈥斺旂綉缁滅粍缁囥
eu鈥斺旀鐩熴
浜岀骇鍩熷悕
杩欐槸浣嶄簬TLD涔嬪墠鐨勫煙鍚嶉儴鍒嗭紝渚嬪锛 amazon .com銆
瀛愬煙
鍙互鍒涘缓瀛愬煙鏉ヨ瘑鍒綉绔欑殑鐙壒鍐呭鍖哄煙銆備緥濡俛ws .amazon.com 鐨 aws銆
鍩熷悕娉ㄥ唽鍟
閫氳繃绠＄悊鍩熷悕淇濈暀锛屽煙鍚嶆敞鍐屽晢瀵 DNS 鐨勫伐浣滄柟寮忚嚦鍏抽噸瑕併侷CANN鐩墠鍏佽缁勭粐鍏呭綋鐗瑰畾鏇撮珮绾у埆鍩熺殑鍩熷悕娉ㄥ唽鍟嗐
鍚嶇О鏈嶅姟鍣
涓庣數璇濈翱涓鏍凤紝鍚嶇О鏈嶅姟鍣ㄦ槸涓 IP 鍦板潃鍖归厤鐨勫煙鍚嶇殑闆嗗悎銆
DNS 鐨勫伐浣滃師鐞嗭細鍩熷悕绯荤粺璁板綍绫诲瀷
涓涓褰
鍦板潃璁板綍銆侫 璁板綍灏嗘湇鍔″櫒 IP 鍦板潃鏄犲皠鍒板煙鍚嶃備緥濡傦紝72.21.206.6 鍒 amazon.com銆
CNAME
瑙勮寖鍚嶇О璁板綍銆侰NAME 璁板綍灏嗕竴涓煙寤虹珛涓哄彟涓涓煙鐨勫埆鍚嶏紙浠庤屽皢瀵诲潃鍒板埆鍚嶇殑鎵鏈夋祦閲忚矾鐢卞埌鐩爣锛涜鑼冨湴鍧锛夈
鍒悕璁板綍
涓 CNAME 璁板綍涓鏍凤紝鍒悕璁板綍鍙敤浜庡皢涓涓湴鍧鏄犲皠鍒板彟涓涓湴鍧銆備絾鍒悕鍙互涓庝娇鐢ㄧ浉鍚屽悕绉扮殑鍏朵粬璁板綍鍏卞瓨銆
MX 璁板綍
閭欢浜ゆ崲璁板綍銆傝繖浜涜褰曚細灏嗗煙鐨勭數瀛愰偖浠堕噸瀹氬悜鍒版墭绠″煙鐢ㄦ埛甯愭埛鐨勬湇鍔″櫒銆傞偖浠朵氦鎹㈣褰曠敤浜庣‘瀹氬煙鐨勭數瀛愰偖浠舵湇鍔″櫒鐨勪紭鍏堢骇銆
DNS 鐨勫伐浣滃師鐞
褰撶敤鎴峰湪娴忚鍣ㄤ腑閿叆浜虹被鍙鐨勫湴鍧鏃讹紝鎿嶄綔绯荤粺鐨 DNS 瀹㈡埛绔皢妫鏌ユ湰鍦扮紦瀛樹腑鐨勪俊鎭傚鏋滆姹傜殑鍦板潃涓嶅瓨鍦紝瀹冨皢鍦ㄥ眬鍩熺綉 (LAN) 涓煡鎵惧煙鍚嶇郴缁熸湇鍔″櫒銆傚綋鏈湴 DNS 鏈嶅姟鍣ㄦ敹鍒版煡璇紝骞舵壘鍒拌姹傜殑鍩熷悕鏃讹紝瀹冧細杩斿洖缁撴灉銆
濡傛灉鏈壘鍒拌鍚嶇О锛屾湰鍦版湇鍔″櫒浼氬皢鏌ヨ杞彂鍒 DNS 缂撳瓨鏈嶅姟鍣紝璇ユ湇鍔″櫒閫氬父鐢 Internet 鏈嶅姟鎻愪緵鍟 (ISP) 鎻愪緵銆傜敱浜 DNS 鏈嶅姟鍣ㄧ殑缂撳瓨鍖呭惈 DNS 璁板綍鐨勪复鏃跺瓨鍌紝鍥犳瀹冨皢蹇熷搷搴旇姹傘傝繖浜 DNS 缂撳瓨鏈嶅姟鍣ㄧО涓洪潪鏉冨▉ DNS 鏈嶅姟鍣 锛屽洜涓哄畠浠牴鎹粠鏉冨▉ DNS 鏈嶅姟鍣ㄨ幏鍙栫殑缂撳瓨鍊兼彁渚涜姹傝В鏋愩
鏉冨▉鏍瑰悕绉版湇鍔″櫒缁存姢骞舵彁渚涙瘡涓《绾у煙锛.com銆.org 绛夛級鐨勬潈濞佸悕绉版湇鍔″櫒鍒楄〃銆
鏉冨▉椤剁骇鍩熷悕鏈嶅姟鍣ㄧ淮鎶ゅ苟鎻愪緵鎵鏈夊煙锛坓mail.com銆亀ikipedia.org 绛夛級鐨勬潈濞佸悕绉版湇鍔″櫒鍒楄〃銆傚畠鐨勫伐浣滄槸鏌ヨ鍚嶇О鏈嶅姟鍣ㄤ互鏌ユ壘骞惰繑鍥炴墍璇锋眰鍩熺殑鏉冨▉鍚嶇О鏈嶅姟鍣ㄣ