DNS response history for ns2.open.com.cn

ns2.open.com.cn is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 219 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for ns2.open.com.cn.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

219 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

120.133.51.254

Most recently resolved hosting IP on selected date

Successful Responses

75

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.open.com.cn

Showing DNS history for 2026-08-23 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
75 2026-08-23 23:53 639231254406598736
19 ms 120.133.51.254
74 2026-08-23 23:37 639231244697865594
12 ms 120.133.51.254
73 2026-08-23 23:20 639231234893504693
26 ms 120.133.51.254
72 2026-08-23 23:04 639231225024549139
86 ms 120.133.51.254
71 2026-08-23 22:47 639231214931957622
370 ms 120.133.51.254
70 2026-08-23 22:30 639231204962010549
45 ms 120.133.51.254
69 2026-08-23 22:14 639231195170138463
32 ms 120.133.51.254
68 2026-08-23 21:58 639231185235020577
2049 ms 120.133.51.254
67 2026-08-23 21:41 639231175558690075
393 ms 120.133.51.254
66 2026-08-23 21:25 639231165610444012
2010 ms 120.133.51.254
65 2026-08-23 20:32 639231133806425363
86 ms 120.133.51.254
64 2026-08-23 20:16 639231124203758023
13 ms 120.133.51.254
63 2026-08-23 20:00 639231114428262706
11 ms 120.133.51.254
62 2026-08-23 19:43 639231104662480065
15 ms 120.133.51.254
61 2026-08-23 19:27 639231094840372018
330 ms 120.133.51.254
60 2026-08-23 19:11 639231085024583224
93 ms 120.133.51.254
59 2026-08-23 18:54 639231075257417427
91 ms 120.133.51.254
58 2026-08-23 18:38 639231065516009503
87 ms 120.133.51.254
57 2026-08-23 18:22 639231055805348837
85 ms 120.133.51.254
56 2026-08-23 18:05 639231045980373765
11 ms 120.133.51.254
55 2026-08-23 17:49 639231035984577527
213 ms 120.133.51.254
54 2026-08-23 17:32 639231025928115303
88 ms 120.133.51.254
53 2026-08-23 16:39 639230994250157583
49 ms 120.133.51.254
52 2026-08-23 16:23 639230984476411369
15 ms 120.133.51.254
51 2026-08-23 16:07 639230974838373450
9 ms 120.133.51.254
50 2026-08-23 15:51 639230965244277645
1784 ms 120.133.51.254
49 2026-08-23 15:35 639230955522101820
28 ms 120.133.51.254
48 2026-08-23 15:18 639230945754521603
2082 ms 120.133.51.254
47 2026-08-23 15:02 639230935852040504
11 ms 120.133.51.254
46 2026-08-23 14:46 639230926222061048
15 ms 120.133.51.254
45 2026-08-23 14:29 639230916449726907
10 ms 120.133.51.254
44 2026-08-23 14:13 639230906595053086
72 ms 120.133.51.254
43 2026-08-23 13:57 639230896680429441
88 ms 120.133.51.254
42 2026-08-23 13:40 639230886630210965
24 ms 120.133.51.254
41 2026-08-23 12:48 639230855430405719
49 ms 120.133.51.254
40 2026-08-23 12:32 639230845707499136
53 ms 120.133.51.254
39 2026-08-23 12:15 639230836186805419
11 ms 120.133.51.254
38 2026-08-23 12:00 639230826493828316
11 ms 120.133.51.254
37 2026-08-23 11:43 639230816817882996
10 ms 120.133.51.254
36 2026-08-23 11:27 639230806933854189
38 ms 120.133.51.254
35 2026-08-23 11:11 639230797120243854
411 ms 120.133.51.254
34 2026-08-23 10:54 639230787310272840
380 ms 120.133.51.254
33 2026-08-23 10:38 639230777600173142
324 ms 120.133.51.254
32 2026-08-23 10:22 639230767665024593
91 ms 120.133.51.254
31 2026-08-23 10:05 639230757720962293
2026 ms 120.133.51.254
30 2026-08-23 09:48 639230747722189784
85 ms 120.133.51.254
29 2026-08-23 08:56 639230716313923480
36 ms 120.133.51.254
28 2026-08-23 08:40 639230706813835990
237 ms 120.133.51.254
27 2026-08-23 08:24 639230696871062203
88 ms 120.133.51.254
26 2026-08-23 08:07 639230687142781616
212 ms 120.133.51.254
25 2026-08-23 07:51 639230677432142227
9 ms 120.133.51.254
24 2026-08-23 07:35 639230667686258061
364 ms 120.133.51.254
23 2026-08-23 07:19 639230658039243685
86 ms 120.133.51.254
22 2026-08-23 07:03 639230648468473803
42 ms 120.133.51.254
21 2026-08-23 06:47 639230638829658294
50 ms 120.133.51.254
20 2026-08-23 06:31 639230629247017617
10 ms 120.133.51.254
19 2026-08-23 06:15 639230619625318239
135 ms 120.133.51.254
18 2026-08-23 05:58 639230609697630264
84 ms 120.133.51.254
17 2026-08-23 05:06 639230578570131864
88 ms 120.133.51.254
16 2026-08-23 04:50 639230568958963168
16 ms 120.133.51.254
15 2026-08-23 04:34 639230559287611211
13 ms 120.133.51.254
14 2026-08-23 04:18 639230549524312030
260 ms 120.133.51.254
13 2026-08-23 04:02 639230539739801669
31 ms 120.133.51.254
12 2026-08-23 03:46 639230530084069375
11 ms 120.133.51.254
11 2026-08-23 03:29 639230520362691441
9 ms 120.133.51.254
10 2026-08-23 03:13 639230510677194518
325 ms 120.133.51.254
9 2026-08-23 02:57 639230501156002646
47 ms 120.133.51.254
8 2026-08-23 02:41 639230491502198541
9 ms 120.133.51.254
7 2026-08-23 02:25 639230481860318494
95 ms 120.133.51.254
6 2026-08-23 02:09 639230471893008575
83 ms 120.133.51.254
5 2026-08-23 01:15 639230440030877421
16 ms 120.133.51.254
4 2026-08-23 01:00 639230430479725508
10 ms 120.133.51.254
3 2026-08-23 00:43 639230420875160219
154 ms 120.133.51.254
2 2026-08-23 00:27 639230411240692575
9 ms 120.133.51.254
1 2026-08-23 00:11 639230401550806607
35 ms 120.133.51.254