Google Public DNS - где speedup?
Протестил:
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$ dig www.ru @8.8.8.8
;; ANSWER SECTION:
www.ru. 4298 IN A 194.87.0.50
;; Query time: 289 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:30:22 2009
;; MSG SIZE rcvd: 40
$ dig www.ru
;; ANSWER SECTION:
www.ru. 30351 IN A 194.87.0.50
;; Query time: 115 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:30:32 2009
;; MSG SIZE rcvd: 40
$ dig yandex.ru @8.8.8.8
;; ANSWER SECTION:
yandex.ru. 7324 IN A 77.88.21.11
yandex.ru. 7324 IN A 87.250.251.11
yandex.ru. 7324 IN A 93.158.134.11
yandex.ru. 7324 IN A 213.180.204.11
;; Query time: 288 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:31:04 2009
;; MSG SIZE rcvd: 91
$ dig yandex.ru
;; ANSWER SECTION:
yandex.ru. 5873 IN A 213.180.204.11
yandex.ru. 5873 IN A 77.88.21.11
yandex.ru. 5873 IN A 87.250.251.11
yandex.ru. 5873 IN A 93.158.134.11
;; Query time: 137 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:30:56 2009
;; MSG SIZE rcvd: 91
$ dig google.com @8.8.8.8
;; ANSWER SECTION:
google.com. 300 IN A 74.125.45.100
google.com. 300 IN A 74.125.53.100
google.com. 300 IN A 74.125.67.100
;; Query time: 314 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:33:51 2009
;; MSG SIZE rcvd: 76
$ dig google.com
;; ANSWER SECTION:
google.com. 300 IN A 74.125.45.100
google.com. 300 IN A 74.125.53.100
google.com. 300 IN A 74.125.67.100
;; Query time: 363 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:33:57 2009
;; MSG SIZE rcvd: 212
$ dig google.ru
;; ANSWER SECTION:
google.ru. 1177 IN A 216.239.59.104
google.ru. 1177 IN A 74.125.77.104
google.ru. 1177 IN A 209.85.229.104
;; Query time: 134 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:34:16 2009
;; MSG SIZE rcvd: 75
$ dig google.ru @8.8.8.8
;; ANSWER SECTION:
google.ru. 1800 IN A 209.85.229.104
google.ru. 1800 IN A 216.239.59.104
google.ru. 1800 IN A 74.125.77.104
;; Query time: 354 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:34:25 2009
;; MSG SIZE rcvd: 75
$ dig yahoo.com @8.8.8.8
;; ANSWER SECTION:
yahoo.com. 21335 IN A 69.147.114.224
yahoo.com. 21335 IN A 209.131.36.159
yahoo.com. 21335 IN A 209.191.93.53
;; Query time: 329 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:43:20 2009
;; MSG SIZE rcvd: 75
$ dig yahoo.com
;; ANSWER SECTION:
yahoo.com. 21233 IN A 209.191.93.53
yahoo.com. 21233 IN A 69.147.114.224
yahoo.com. 21233 IN A 209.131.36.159
;; Query time: 253 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:43:25 2009
;; MSG SIZE rcvd: 313
$ dig d-strict.com @8.8.8.8
;; ANSWER SECTION:
d-strict.com. 3600 IN A 78.108.81.110
;; Query time: 485 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:45:25 2009
;; MSG SIZE rcvd: 46
$ dig d-strict.com
;; ANSWER SECTION:
d-strict.com. 3600 IN A 78.108.81.110
;; Query time: 350 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:45:30 2009
;; MSG SIZE rcvd: 159
dig boioq.org @8.8.8.8
;; ANSWER SECTION:
boioq.org. 14400 IN A 74.53.86.82
;; Query time: 745 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:46:32 2009
;; MSG SIZE rcvd: 43
$ dig boioq.org
;; ANSWER SECTION:
boioq.org. 14400 IN A 74.53.86.82
;; Query time: 553 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:46:38 2009
;; MSG SIZE rcvd: 98
$ dig kernel.org @8.8.8.8
;; ANSWER SECTION:
kernel.org. 37 IN A 149.20.20.133
kernel.org. 37 IN A 204.152.191.37
;; Query time: 320 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Dec 4 22:47:26 2009
;; MSG SIZE rcvd: 60
$ dig kernel.org
;; ANSWER SECTION:
kernel.org. 600 IN A 149.20.20.133
kernel.org. 600 IN A 204.152.191.37
; Query time: 330 msec
;; SERVER: 221.16.4.181#53(221.16.4.181)
;; WHEN: Fri Dec 4 22:47:32 2009
;; MSG SIZE rcvd: 408
——————–
Какие выводы?
1. утверждения про скорость при запросе одного адреса - Ложь, пи%:жь и провокация. Необходимы тесты при нескольких записях в секции QUERY
2. Гугл отдаёт маленький ответ, без секций AUTHORITY и ADDITIONAL. Это в принципе пох.
Add comment Декабрь 4th, 2009