DNS response history for ns2.certnet.work

ns2.certnet.work 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 66 DNS check records, 66 successful responses, 0 failed responses, and 196 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.certnet.work.
Records on Selected Date

66

Historical checks stored for this nameserver on selected date

Average Latency

196 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 21:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.75.21.21

Most recently resolved hosting IP on selected date

Successful Responses

66

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.certnet.work

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
66 2026-08-27 21:46 639234639589413826
28 ms 185.75.21.21
65 2026-08-27 21:29 639234629372993861
24 ms 185.75.21.21
64 2026-08-27 21:12 639234619223904344
14 ms 185.75.21.21
63 2026-08-27 20:55 639234608944811927
57 ms 185.75.21.21
62 2026-08-27 20:38 639234598661858910
12 ms 185.75.21.21
61 2026-08-27 20:21 639234588314533893
50 ms 185.75.21.21
60 2026-08-27 20:03 639234577878211878
26 ms 185.75.21.21
59 2026-08-27 19:09 639234545578367474
49 ms 185.75.21.21
58 2026-08-27 18:52 639234535255111795
13 ms 185.75.21.21
57 2026-08-27 18:35 639234525107594067
92 ms 185.75.21.21
56 2026-08-27 18:18 639234514890244566
2018 ms 185.75.21.21
55 2026-08-27 18:01 639234504745477862
42 ms 185.75.21.21
54 2026-08-27 17:44 639234494449227290
41 ms 185.75.21.21
53 2026-08-27 17:27 639234484118025686
34 ms 185.75.21.21
52 2026-08-27 17:10 639234473946362077
33 ms 185.75.21.21
51 2026-08-27 16:53 639234463759124388
70 ms 185.75.21.21
50 2026-08-27 16:36 639234453500759178
45 ms 185.75.21.21
49 2026-08-27 16:18 639234442983541638
63 ms 185.75.21.21
48 2026-08-27 16:01 639234432404354562
110 ms 185.75.21.21
47 2026-08-27 15:06 639234399767719119
17 ms 185.75.21.21
46 2026-08-27 14:49 639234389460601485
2482 ms 185.75.21.21
45 2026-08-27 14:32 639234379227178707
81 ms 185.75.21.21
44 2026-08-27 14:15 639234369065315214
31 ms 185.75.21.21
43 2026-08-27 13:58 639234358825501576
21 ms 185.75.21.21
42 2026-08-27 13:41 639234348572745268
52 ms 185.75.21.21
41 2026-08-27 13:24 639234338264503481
25 ms 185.75.21.21
40 2026-08-27 13:06 639234327818741376
16 ms 185.75.21.21
39 2026-08-27 12:49 639234317475724313
25 ms 185.75.21.21
38 2026-08-27 12:32 639234307007468133
132 ms 185.75.21.21
37 2026-08-27 12:14 639234296664302575
30 ms 185.75.21.21
36 2026-08-27 11:57 639234286253196126
32 ms 185.75.21.21
35 2026-08-27 11:03 639234253963286387
36 ms 185.75.21.21
34 2026-08-27 10:46 639234243654907465
14 ms 185.75.21.21
33 2026-08-27 10:29 639234233269654413
19 ms 185.75.21.21
32 2026-08-27 10:12 639234222943951923
27 ms 185.75.21.21
31 2026-08-27 09:54 639234212558002823
48 ms 185.75.21.21
30 2026-08-27 09:37 639234202117531850
2053 ms 185.75.21.21
29 2026-08-27 09:19 639234191649612722
27 ms 185.75.21.21
28 2026-08-27 09:02 639234181105879568
29 ms 185.75.21.21
27 2026-08-27 08:45 639234170713214496
81 ms 185.75.21.21
26 2026-08-27 08:27 639234160341037652
16 ms 185.75.21.21
25 2026-08-27 08:10 639234149799404224
30 ms 185.75.21.21
24 2026-08-27 07:53 639234139553286469
46 ms 185.75.21.21
23 2026-08-27 06:59 639234107183588293
23 ms 185.75.21.21
22 2026-08-27 06:42 639234096905435724
36 ms 185.75.21.21
21 2026-08-27 06:24 639234086579410775
35 ms 185.75.21.21
20 2026-08-27 06:07 639234076291157956
29 ms 185.75.21.21
19 2026-08-27 05:50 639234065981939454
2027 ms 185.75.21.21
18 2026-08-27 05:33 639234055548642997
23 ms 185.75.21.21
17 2026-08-27 05:15 639234045267979603
30 ms 185.75.21.21
16 2026-08-27 04:58 639234034999717463
77 ms 185.75.21.21
15 2026-08-27 04:41 639234024739225358
26 ms 185.75.21.21
14 2026-08-27 04:24 639234014311170162
16 ms 185.75.21.21
13 2026-08-27 04:06 639234003806017640
23 ms 185.75.21.21
12 2026-08-27 03:49 639233993356203030
23 ms 185.75.21.21
11 2026-08-27 02:56 639233961301716608
45 ms 185.75.21.21
10 2026-08-27 02:38 639233950834200647
26 ms 185.75.21.21
9 2026-08-27 02:21 639233940431849026
29 ms 185.75.21.21
8 2026-08-27 02:04 639233930110596398
2105 ms 185.75.21.21
7 2026-08-27 01:46 639233919705434540
4 ms 185.75.21.21
6 2026-08-27 01:29 639233909452807845
27 ms 185.75.21.21
5 2026-08-27 01:12 639233899096420820
19 ms 185.75.21.21
4 2026-08-27 00:55 639233888707824939
24 ms 185.75.21.21
3 2026-08-27 00:37 639233878461203802
26 ms 185.75.21.21
2 2026-08-27 00:20 639233868060868209
18 ms 185.75.21.21
1 2026-08-27 00:02 639233857450922991
26 ms 185.75.21.21