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 2026-08-27. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 395 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

71

Historical checks stored for this nameserver on selected date

Average Latency

395 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:20

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

71

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 2026-08-27 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
71 2026-08-27 23:20 639234690580226618
2275 ms 120.133.51.254
70 2026-08-27 23:03 639234680477852135
458 ms 120.133.51.254
69 2026-08-27 22:46 639234670282270693
2028 ms 120.133.51.254
68 2026-08-27 22:29 639234660146106544
99 ms 120.133.51.254
67 2026-08-27 22:12 639234649768231829
2012 ms 120.133.51.254
66 2026-08-27 21:55 639234639589413826
46 ms 120.133.51.254
65 2026-08-27 21:38 639234629372993861
17 ms 120.133.51.254
64 2026-08-27 21:21 639234619223904344
10 ms 120.133.51.254
63 2026-08-27 21:04 639234608944811927
87 ms 120.133.51.254
62 2026-08-27 20:47 639234598661858910
10 ms 120.133.51.254
61 2026-08-27 20:29 639234588314533893
10 ms 120.133.51.254
60 2026-08-27 20:12 639234577878211878
13 ms 120.133.51.254
59 2026-08-27 19:18 639234545578367474
84 ms 120.133.51.254
58 2026-08-27 19:01 639234535255111795
320 ms 120.133.51.254
57 2026-08-27 18:44 639234525107594067
9 ms 120.133.51.254
56 2026-08-27 18:27 639234514890244566
17 ms 120.133.51.254
55 2026-08-27 18:10 639234504745477862
2010 ms 120.133.51.254
54 2026-08-27 17:53 639234494449227290
162 ms 120.133.51.254
53 2026-08-27 17:36 639234484118025686
362 ms 120.133.51.254
52 2026-08-27 17:19 639234473946362077
87 ms 120.133.51.254
51 2026-08-27 17:02 639234463759124388
11 ms 120.133.51.254
50 2026-08-27 16:45 639234453500759178
93 ms 120.133.51.254
49 2026-08-27 16:27 639234442983541638
192 ms 120.133.51.254
48 2026-08-27 16:10 639234432404354562
83 ms 120.133.51.254
47 2026-08-27 15:15 639234399767719119
102 ms 120.133.51.254
46 2026-08-27 14:58 639234389460601485
15 ms 120.133.51.254
45 2026-08-27 14:41 639234379227178707
10 ms 120.133.51.254
44 2026-08-27 14:24 639234369065315214
320 ms 120.133.51.254
43 2026-08-27 14:07 639234358825501576
29 ms 120.133.51.254
42 2026-08-27 13:50 639234348572745268
9 ms 120.133.51.254
41 2026-08-27 13:32 639234338264503481
14 ms 120.133.51.254
40 2026-08-27 13:15 639234327818741376
9 ms 120.133.51.254
39 2026-08-27 12:58 639234317475724313
9 ms 120.133.51.254
38 2026-08-27 12:41 639234307007468133
814 ms 120.133.51.254
37 2026-08-27 12:23 639234296664302575
26 ms 120.133.51.254
36 2026-08-27 12:06 639234286253196126
93 ms 120.133.51.254
35 2026-08-27 11:12 639234253963286387
12 ms 120.133.51.254
34 2026-08-27 10:55 639234243654907465
10 ms 120.133.51.254
33 2026-08-27 10:37 639234233269654413
9 ms 120.133.51.254
32 2026-08-27 10:20 639234222943951923
192 ms 120.133.51.254
31 2026-08-27 10:03 639234212558002823
85 ms 120.133.51.254
30 2026-08-27 09:46 639234202117531850
1547 ms 120.133.51.254
29 2026-08-27 09:28 639234191649612722
152 ms 120.133.51.254
28 2026-08-27 09:11 639234181105879568
12 ms 120.133.51.254
27 2026-08-27 08:53 639234170713214496
89 ms 120.133.51.254
26 2026-08-27 08:36 639234160341037652
87 ms 120.133.51.254
25 2026-08-27 08:18 639234149799404224
85 ms 120.133.51.254
24 2026-08-27 08:01 639234139553286469
868 ms 120.133.51.254
23 2026-08-27 07:07 639234107183588293
34 ms 120.133.51.254
22 2026-08-27 06:50 639234096905435724
870 ms 120.133.51.254
21 2026-08-27 06:33 639234086579410775
17 ms 120.133.51.254
20 2026-08-27 06:16 639234076291157956
466 ms 120.133.51.254
19 2026-08-27 05:59 639234065981939454
9 ms 120.133.51.254
18 2026-08-27 05:42 639234055548642997
2952 ms 120.133.51.254
17 2026-08-27 05:24 639234045267979603
9 ms 120.133.51.254
16 2026-08-27 05:07 639234034999717463
12 ms 120.133.51.254
15 2026-08-27 04:50 639234024739225358
10 ms 120.133.51.254
14 2026-08-27 04:33 639234014311170162
12 ms 120.133.51.254
13 2026-08-27 04:15 639234003806017640
33 ms 120.133.51.254
12 2026-08-27 03:58 639233993356203030
80 ms 120.133.51.254
11 2026-08-27 03:04 639233961301716608
10 ms 120.133.51.254
10 2026-08-27 02:47 639233950834200647
671 ms 120.133.51.254
9 2026-08-27 02:30 639233940431849026
310 ms 120.133.51.254
8 2026-08-27 02:12 639233930110596398
385 ms 120.133.51.254
7 2026-08-27 01:55 639233919705434540
2013 ms 120.133.51.254
6 2026-08-27 01:38 639233909452807845
200 ms 120.133.51.254
5 2026-08-27 01:21 639233899096420820
86 ms 120.133.51.254
4 2026-08-27 01:03 639233888707824939
2127 ms 120.133.51.254
3 2026-08-27 00:46 639233878461203802
20 ms 120.133.51.254
2 2026-08-27 00:29 639233868060868209
2388 ms 120.133.51.254
1 2026-08-27 00:11 639233857450922991
258 ms 120.133.51.254