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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 442 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

75

Historical checks stored for this nameserver on selected date

Average Latency

442 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:57

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

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 ns1.upskillcert.com

Showing DNS history for 2026-08-18 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 2026-08-18 23:57 639226935204800669
3 ms 15.235.140.64
74 2026-08-18 23:40 639226925298919497
3 ms 15.235.140.64
73 2026-08-18 23:24 639226915487885053
430 ms 15.235.140.64
72 2026-08-18 23:07 639226905465760034
413 ms 15.235.140.64
71 2026-08-18 22:50 639226895378104692
2253 ms 15.235.140.64
70 2026-08-18 21:57 639226863374232622
413 ms 15.235.140.64
69 2026-08-18 21:41 639226853698516058
2172 ms 15.235.140.64
68 2026-08-18 21:24 639226843797360601
4 ms 15.235.140.64
67 2026-08-18 21:08 639226834046588155
253 ms 15.235.140.64
66 2026-08-18 20:52 639226824234488533
192 ms 15.235.140.64
65 2026-08-18 20:35 639226814549928621
346 ms 15.235.140.64
64 2026-08-18 20:19 639226804721432353
411 ms 15.235.140.64
63 2026-08-18 20:03 639226795048828184
320 ms 15.235.140.64
62 2026-08-18 19:47 639226785202482420
442 ms 15.235.140.64
61 2026-08-18 19:30 639226775309362607
3 ms 15.235.140.64
60 2026-08-18 19:14 639226765406586155
321 ms 15.235.140.64
59 2026-08-18 18:57 639226755437790519
317 ms 15.235.140.64
58 2026-08-18 18:04 639226723856194457
324 ms 15.235.140.64
57 2026-08-18 17:48 639226714050583422
257 ms 15.235.140.64
56 2026-08-18 17:32 639226704236499724
322 ms 15.235.140.64
55 2026-08-18 17:15 639226694184520163
318 ms 15.235.140.64
54 2026-08-18 16:58 639226684161203477
409 ms 15.235.140.64
53 2026-08-18 16:42 639226674305430109
319 ms 15.235.140.64
52 2026-08-18 16:25 639226664489607984
325 ms 15.235.140.64
51 2026-08-18 16:09 639226654533111667
507 ms 15.235.140.64
50 2026-08-18 15:52 639226644778594725
403 ms 15.235.140.64
49 2026-08-18 15:36 639226634901553621
423 ms 15.235.140.64
48 2026-08-18 15:19 639226624921864967
316 ms 15.235.140.64
47 2026-08-18 15:03 639226614939419403
5 ms 15.235.140.64
46 2026-08-18 14:10 639226583021074771
405 ms 15.235.140.64
45 2026-08-18 13:53 639226573279933585
411 ms 15.235.140.64
44 2026-08-18 13:37 639226563494036301
414 ms 15.235.140.64
43 2026-08-18 13:21 639226553708216256
3 ms 15.235.140.64
42 2026-08-18 13:04 639226544003734815
322 ms 15.235.140.64
41 2026-08-18 12:48 639226534105733155
322 ms 15.235.140.64
40 2026-08-18 12:32 639226524298118898
321 ms 15.235.140.64
39 2026-08-18 12:15 639226514525195335
391 ms 15.235.140.64
38 2026-08-18 11:59 639226504703635320
323 ms 15.235.140.64
37 2026-08-18 11:43 639226494737271720
326 ms 15.235.140.64
36 2026-08-18 11:26 639226485005027236
403 ms 15.235.140.64
35 2026-08-18 11:10 639226475133236105
319 ms 15.235.140.64
34 2026-08-18 10:16 639226442975077052
314 ms 15.235.140.64
33 2026-08-18 10:00 639226433317932039
333 ms 15.235.140.64
32 2026-08-18 09:44 639226423688431096
317 ms 15.235.140.64
31 2026-08-18 09:28 639226413998250045
393 ms 15.235.140.64
30 2026-08-18 09:12 639226404284554875
2276 ms 15.235.140.64
29 2026-08-18 08:55 639226394637043309
254 ms 15.235.140.64
28 2026-08-18 08:39 639226385052447582
413 ms 15.235.140.64
27 2026-08-18 08:23 639226375506189603
321 ms 15.235.140.64
26 2026-08-18 08:07 639226365690646426
323 ms 15.235.140.64
25 2026-08-18 07:51 639226355771007701
316 ms 15.235.140.64
24 2026-08-18 07:34 639226345946269369
182 ms 15.235.140.64
23 2026-08-18 07:18 639226336241601848
251 ms 15.235.140.64
22 2026-08-18 06:26 639226304950675290
404 ms 15.235.140.64
21 2026-08-18 06:10 639226295324754616
4 ms 15.235.140.64
20 2026-08-18 05:54 639226285824640601
327 ms 15.235.140.64
19 2026-08-18 05:38 639226276321223917
256 ms 15.235.140.64
18 2026-08-18 05:22 639226266800200046
407 ms 15.235.140.64
17 2026-08-18 05:06 639226256958066164
500 ms 15.235.140.64
16 2026-08-18 04:50 639226247432364597
2307 ms 15.235.140.64
15 2026-08-18 04:34 639226237703388552
4 ms 15.235.140.64
14 2026-08-18 04:18 639226227937569589
3 ms 15.235.140.64
13 2026-08-18 04:02 639226218052465471
2242 ms 15.235.140.64
12 2026-08-18 03:45 639226208429623997
314 ms 15.235.140.64
11 2026-08-18 03:29 639226198800675295
326 ms 15.235.140.64
10 2026-08-18 02:37 639226167722042574
390 ms 15.235.140.64
9 2026-08-18 02:21 639226158277924383
2 ms 15.235.140.64
8 2026-08-18 02:06 639226148757810592
3 ms 15.235.140.64
7 2026-08-18 01:50 639226139348611045
299 ms 15.235.140.64
6 2026-08-18 01:34 639226129823462907
480 ms 15.235.140.64
5 2026-08-18 01:18 639226120218260005
2330 ms 15.235.140.64
4 2026-08-18 01:02 639226110875503904
4 ms 15.235.140.64
3 2026-08-18 00:47 639226101376311912
2 ms 15.235.140.64
2 2026-08-18 00:31 639226091924943492
316 ms 15.235.140.64
1 2026-08-18 00:15 639226082133158124
317 ms 15.235.140.64