DNS response history for dns1.certus-tech.com

dns1.certus-tech.com 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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 70 successful responses, 2 failed responses, and 215 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 dns1.certus-tech.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

215 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.23.59.177

Most recently resolved hosting IP on selected date

Successful Responses

70

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns1.certus-tech.com

Showing DNS history for 2026-08-17 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
72 2026-08-17 23:50 639226072268080268
2011 ms 81.23.59.177
71 2026-08-17 23:33 639226062577647657
11 ms 81.23.59.177
70 2026-08-17 22:41 639226031060857136
45 ms 81.23.59.177
69 2026-08-17 22:25 639226021535117364
32 ms 81.23.59.177
68 2026-08-17 22:09 639226011884237078
34 ms 81.23.59.177
67 2026-08-17 21:53 639226002309299142
11 ms 81.23.59.177
66 2026-08-17 21:37 639225992791784448
25 ms 81.23.59.177
65 2026-08-17 21:21 639225983045271390
61 ms 81.23.59.177
64 2026-08-17 21:04 639225973246293513
43 ms 81.23.59.177
63 2026-08-17 20:48 639225963620186236
45 ms 81.23.59.177
62 2026-08-17 20:32 639225953899183916
53 ms 81.23.59.177
61 2026-08-17 20:16 639225944391528206
9 ms 81.23.59.177
60 2026-08-17 20:00 639225934593254169
10 ms 81.23.59.177
59 2026-08-17 19:43 639225924669984512
80 ms 81.23.59.177
58 2026-08-17 18:51 639225893048561320
86 ms 81.23.59.177
57 2026-08-17 18:35 639225883481298424
55 ms 81.23.59.177
56 2026-08-17 18:19 639225873845394034
45 ms 81.23.59.177
55 2026-08-17 18:03 639225864216078662
15 ms 81.23.59.177
54 2026-08-17 17:46 639225854541857773
59 ms 81.23.59.177
53 2026-08-17 17:30 639225844733604072
82 ms 81.23.59.177
52 2026-08-17 17:14 639225835085229232
38 ms 81.23.59.177
51 2026-08-17 16:58 639225825349373981
38 ms 81.23.59.177
50 2026-08-17 16:42 639225815690604161
29 ms 81.23.59.177
49 2026-08-17 16:26 639225805952472306
62 ms 81.23.59.177
48 2026-08-17 16:09 639225796264729638
32 ms 81.23.59.177
47 2026-08-17 15:53 639225786326499329
32 ms 81.23.59.177
46 2026-08-17 15:00 639225754798130711
53 ms 81.23.59.177
45 2026-08-17 14:44 639225745123193922
37 ms 81.23.59.177
44 2026-08-17 14:28 639225735540597271
57 ms 81.23.59.177
43 2026-08-17 14:12 639225725894857396
63 ms 81.23.59.177
42 2026-08-17 13:56 639225716249606913
10 ms 81.23.59.177
41 2026-08-17 13:40 639225706638238179
43 ms 81.23.59.177
40 2026-08-17 13:24 639225696949691423
66 ms 81.23.59.177
39 2026-08-17 13:08 639225687286186336
9 ms 81.23.59.177
38 2026-08-17 12:52 639225677679573133
31 ms 81.23.59.177
37 2026-08-17 12:35 639225667957861024
36 ms 81.23.59.177
36 2026-08-17 12:19 639225658298791618
55 ms 81.23.59.177
35 2026-08-17 12:03 639225648583652785
59 ms 81.23.59.177
34 2026-08-17 11:11 639225617000524308
87 ms 81.23.59.177
33 2026-08-17 10:55 639225607668541600
72 ms 81.23.59.177
32 2026-08-17 10:39 639225598117279238
2022 ms 81.23.59.177
31 2026-08-17 10:23 639225588751002710
110 ms 81.23.59.177
30 2026-08-17 10:08 639225579295831051
66 ms 81.23.59.177
29 2026-08-17 09:52 639225569761469940
2017 ms 81.23.59.177
28 2026-08-17 09:36 639225560161422333
63 ms 81.23.59.177
27 2026-08-17 09:20 639225550739955565
57 ms 81.23.59.177
26 2026-08-17 09:04 639225541125222426
70 ms 81.23.59.177
25 2026-08-17 08:48 639225531526675983
27 ms 81.23.59.177
24 2026-08-17 08:32 639225521915528222
37 ms 81.23.59.177
23 2026-08-17 08:16 639225512148151789
2015 ms 81.23.59.177
22 2026-08-17 07:24 639225480786142412
-
21 2026-08-17 07:08 639225471394348551
75 ms 81.23.59.177
20 2026-08-17 06:52 639225462031685068
54 ms 81.23.59.177
19 2026-08-17 06:37 639225452639458328
32 ms 81.23.59.177
18 2026-08-17 06:21 639225443300966543
-
17 2026-08-17 06:05 639225433880499379
17 ms 81.23.59.177
16 2026-08-17 05:50 639225424395198277
35 ms 81.23.59.177
15 2026-08-17 05:34 639225414744137487
2026 ms 81.23.59.177
14 2026-08-17 05:18 639225405186783164
26 ms 81.23.59.177
13 2026-08-17 05:02 639225395563669822
38 ms 81.23.59.177
12 2026-08-17 04:46 639225386076645158
66 ms 81.23.59.177
11 2026-08-17 04:30 639225376620669704
59 ms 81.23.59.177
10 2026-08-17 03:38 639225345580892706
55 ms 81.23.59.177
9 2026-08-17 03:23 639225336207383710
47 ms 81.23.59.177
8 2026-08-17 03:07 639225326726565001
33 ms 81.23.59.177
7 2026-08-17 02:51 639225317249271010
43 ms 81.23.59.177
6 2026-08-17 01:59 639225286280886044
39 ms 81.23.59.177
5 2026-08-17 01:44 639225276872567548
28 ms 81.23.59.177
4 2026-08-17 01:28 639225267353865348
2026 ms 81.23.59.177
3 2026-08-17 01:12 639225258033914248
42 ms 81.23.59.177
2 2026-08-17 00:20 639225226652221583
52 ms 81.23.59.177
1 2026-08-17 00:04 639225217156387684
42 ms 81.23.59.177