DNS response history for ns1.upskillcert.com

ns1.upskillcert.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, 71 successful responses, 1 failed responses, and 441 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 ns1.upskillcert.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

441 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

15.235.140.64

Most recently resolved hosting IP on selected date

Successful Responses

71

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.upskillcert.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 23:58 639226072268080268
316 ms 15.235.140.64
71 2026-08-17 23:42 639226062577647657
246 ms 15.235.140.64
70 2026-08-17 22:50 639226031060857136
176 ms 15.235.140.64
69 2026-08-17 22:34 639226021535117364
401 ms 15.235.140.64
68 2026-08-17 22:18 639226011884237078
317 ms 15.235.140.64
67 2026-08-17 22:02 639226002309299142
489 ms 15.235.140.64
66 2026-08-17 21:46 639225992791784448
319 ms 15.235.140.64
65 2026-08-17 21:30 639225983045271390
3 ms 15.235.140.64
64 2026-08-17 21:13 639225973246293513
3 ms 15.235.140.64
63 2026-08-17 20:57 639225963620186236
3 ms 15.235.140.64
62 2026-08-17 20:41 639225953899183916
318 ms 15.235.140.64
61 2026-08-17 20:25 639225944391528206
320 ms 15.235.140.64
60 2026-08-17 20:09 639225934593254169
22 ms 15.235.140.64
59 2026-08-17 19:52 639225924669984512
255 ms 15.235.140.64
58 2026-08-17 18:59 639225893048561320
248 ms 15.235.140.64
57 2026-08-17 18:43 639225883481298424
2174 ms 15.235.140.64
56 2026-08-17 18:28 639225873845394034
2319 ms 15.235.140.64
55 2026-08-17 18:11 639225864216078662
407 ms 15.235.140.64
54 2026-08-17 17:55 639225854541857773
337 ms 15.235.140.64
53 2026-08-17 17:39 639225844733604072
398 ms 15.235.140.64
52 2026-08-17 17:23 639225835085229232
314 ms 15.235.140.64
51 2026-08-17 17:07 639225825349373981
327 ms 15.235.140.64
50 2026-08-17 16:50 639225815690604161
224 ms 15.235.140.64
49 2026-08-17 16:35 639225805952472306
399 ms 15.235.140.64
48 2026-08-17 16:18 639225796264729638
405 ms 15.235.140.64
47 2026-08-17 16:02 639225786326499329
408 ms 15.235.140.64
46 2026-08-17 15:09 639225754798130711
-
45 2026-08-17 14:53 639225745123193922
330 ms 15.235.140.64
44 2026-08-17 14:37 639225735540597271
489 ms 15.235.140.64
43 2026-08-17 14:21 639225725894857396
321 ms 15.235.140.64
42 2026-08-17 14:05 639225716249606913
4 ms 15.235.140.64
41 2026-08-17 13:49 639225706638238179
404 ms 15.235.140.64
40 2026-08-17 13:33 639225696949691423
328 ms 15.235.140.64
39 2026-08-17 13:17 639225687286186336
330 ms 15.235.140.64
38 2026-08-17 13:00 639225677679573133
320 ms 15.235.140.64
37 2026-08-17 12:44 639225667957861024
311 ms 15.235.140.64
36 2026-08-17 12:28 639225658298791618
400 ms 15.235.140.64
35 2026-08-17 12:12 639225648583652785
339 ms 15.235.140.64
34 2026-08-17 11:19 639225617000524308
4 ms 15.235.140.64
33 2026-08-17 11:04 639225607668541600
318 ms 15.235.140.64
32 2026-08-17 10:48 639225598117279238
4 ms 15.235.140.64
31 2026-08-17 10:32 639225588751002710
410 ms 15.235.140.64
30 2026-08-17 10:16 639225579295831051
328 ms 15.235.140.64
29 2026-08-17 10:00 639225569761469940
397 ms 15.235.140.64
28 2026-08-17 09:44 639225560161422333
423 ms 15.235.140.64
27 2026-08-17 09:29 639225550739955565
2348 ms 15.235.140.64
26 2026-08-17 09:13 639225541125222426
3 ms 15.235.140.64
25 2026-08-17 08:57 639225531526675983
392 ms 15.235.140.64
24 2026-08-17 08:41 639225521915528222
323 ms 15.235.140.64
23 2026-08-17 08:24 639225512148151789
315 ms 15.235.140.64
22 2026-08-17 07:32 639225480786142412
17 ms 15.235.140.64
21 2026-08-17 07:17 639225471394348551
403 ms 15.235.140.64
20 2026-08-17 07:01 639225462031685068
329 ms 15.235.140.64
19 2026-08-17 06:45 639225452639458328
410 ms 15.235.140.64
18 2026-08-17 06:29 639225443300966543
321 ms 15.235.140.64
17 2026-08-17 06:14 639225433880499379
319 ms 15.235.140.64
16 2026-08-17 05:58 639225424395198277
317 ms 15.235.140.64
15 2026-08-17 05:42 639225414744137487
403 ms 15.235.140.64
14 2026-08-17 05:26 639225405186783164
326 ms 15.235.140.64
13 2026-08-17 05:10 639225395563669822
317 ms 15.235.140.64
12 2026-08-17 04:54 639225386076645158
317 ms 15.235.140.64
11 2026-08-17 04:38 639225376620669704
270 ms 15.235.140.64
10 2026-08-17 03:47 639225345580892706
2283 ms 15.235.140.64
9 2026-08-17 03:31 639225336207383710
316 ms 15.235.140.64
8 2026-08-17 03:15 639225326726565001
477 ms 15.235.140.64
7 2026-08-17 02:59 639225317249271010
281 ms 15.235.140.64
6 2026-08-17 02:08 639225286280886044
392 ms 15.235.140.64
5 2026-08-17 01:52 639225276872567548
2252 ms 15.235.140.64
4 2026-08-17 01:36 639225267353865348
320 ms 15.235.140.64
3 2026-08-17 01:21 639225258033914248
515 ms 15.235.140.64
2 2026-08-17 00:29 639225226652221583
391 ms 15.235.140.64
1 2026-08-17 00:13 639225217156387684
323 ms 15.235.140.64