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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 402 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

74

Historical checks stored for this nameserver on selected date

Average Latency

402 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:51

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

74

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 2026-08-19 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
74 2026-08-19 23:51 639227795899225951
2319 ms 15.235.140.64
73 2026-08-19 23:35 639227786351762008
2 ms 15.235.140.64
72 2026-08-19 23:19 639227776640591733
411 ms 15.235.140.64
71 2026-08-19 23:03 639227767128841282
399 ms 15.235.140.64
70 2026-08-19 22:47 639227757477304711
316 ms 15.235.140.64
69 2026-08-19 22:31 639227747572098014
2249 ms 15.235.140.64
68 2026-08-19 22:14 639227737588613113
410 ms 15.235.140.64
67 2026-08-19 21:22 639227706134603955
2171 ms 15.235.140.64
66 2026-08-19 21:06 639227696589027396
324 ms 15.235.140.64
65 2026-08-19 20:50 639227687097707639
27 ms 15.235.140.64
64 2026-08-19 20:34 639227677474464487
408 ms 15.235.140.64
63 2026-08-19 20:18 639227667767441118
326 ms 15.235.140.64
62 2026-08-19 20:01 639227657984833832
327 ms 15.235.140.64
61 2026-08-19 19:45 639227648079992640
4 ms 15.235.140.64
60 2026-08-19 19:28 639227638125048441
227 ms 15.235.140.64
59 2026-08-19 19:12 639227628211392142
5 ms 15.235.140.64
58 2026-08-19 18:55 639227618261696275
314 ms 15.235.140.64
57 2026-08-19 18:38 639227608366233645
323 ms 15.235.140.64
56 2026-08-19 18:22 639227598301787588
4 ms 15.235.140.64
55 2026-08-19 17:29 639227566241010716
408 ms 15.235.140.64
54 2026-08-19 17:12 639227556454538959
319 ms 15.235.140.64
53 2026-08-19 16:56 639227546640305542
3 ms 15.235.140.64
52 2026-08-19 16:39 639227536965466472
314 ms 15.235.140.64
51 2026-08-19 16:23 639227527048658280
175 ms 15.235.140.64
50 2026-08-19 16:07 639227517386634438
3 ms 15.235.140.64
49 2026-08-19 15:51 639227507459551637
490 ms 15.235.140.64
48 2026-08-19 15:34 639227497515595277
312 ms 15.235.140.64
47 2026-08-19 15:17 639227487441798036
410 ms 15.235.140.64
46 2026-08-19 15:01 639227477445551863
2182 ms 15.235.140.64
45 2026-08-19 14:44 639227467297067891
275 ms 15.235.140.64
44 2026-08-19 14:27 639227457057795635
405 ms 15.235.140.64
43 2026-08-19 13:33 639227425244777397
415 ms 15.235.140.64
42 2026-08-19 13:17 639227415422116485
254 ms 15.235.140.64
41 2026-08-19 13:00 639227405307256053
4 ms 15.235.140.64
40 2026-08-19 12:44 639227395396602630
423 ms 15.235.140.64
39 2026-08-19 12:27 639227385510363611
6 ms 15.235.140.64
38 2026-08-19 12:11 639227375508324850
412 ms 15.235.140.64
37 2026-08-19 11:54 639227365326611906
333 ms 15.235.140.64
36 2026-08-19 11:37 639227355360014208
318 ms 15.235.140.64
35 2026-08-19 11:20 639227345036782165
404 ms 15.235.140.64
34 2026-08-19 11:03 639227334992964533
3 ms 15.235.140.64
33 2026-08-19 10:46 639227324986605572
421 ms 15.235.140.64
32 2026-08-19 10:30 639227314928414539
416 ms 15.235.140.64
31 2026-08-19 09:36 639227283029182134
321 ms 15.235.140.64
30 2026-08-19 09:20 639227273294779350
4 ms 15.235.140.64
29 2026-08-19 09:04 639227263525231313
321 ms 15.235.140.64
28 2026-08-19 08:47 639227253578313363
11 ms 15.235.140.64
27 2026-08-19 08:31 639227243649973322
325 ms 15.235.140.64
26 2026-08-19 08:14 639227233581059317
329 ms 15.235.140.64
25 2026-08-19 07:57 639227223667352067
3 ms 15.235.140.64
24 2026-08-19 07:41 639227213714837066
317 ms 15.235.140.64
23 2026-08-19 07:24 639227203701208496
314 ms 15.235.140.64
22 2026-08-19 07:08 639227193643202179
430 ms 15.235.140.64
21 2026-08-19 06:51 639227183584431597
414 ms 15.235.140.64
20 2026-08-19 06:34 639227173347403088
404 ms 15.235.140.64
19 2026-08-19 05:40 639227141523007601
324 ms 15.235.140.64
18 2026-08-19 05:24 639227131785931574
2173 ms 15.235.140.64
17 2026-08-19 05:08 639227122176475389
318 ms 15.235.140.64
16 2026-08-19 04:52 639227112668934596
2 ms 15.235.140.64
15 2026-08-19 04:36 639227102773292788
3 ms 15.235.140.64
14 2026-08-19 04:20 639227093141136930
319 ms 15.235.140.64
13 2026-08-19 04:03 639227083449420147
409 ms 15.235.140.64
12 2026-08-19 03:47 639227073771748493
252 ms 15.235.140.64
11 2026-08-19 03:31 639227063977347614
7 ms 15.235.140.64
10 2026-08-19 03:15 639227054253519024
3 ms 15.235.140.64
9 2026-08-19 02:59 639227044381963886
414 ms 15.235.140.64
8 2026-08-19 02:42 639227034441085514
419 ms 15.235.140.64
7 2026-08-19 01:50 639227003126489968
314 ms 15.235.140.64
6 2026-08-19 01:34 639226993456311614
329 ms 15.235.140.64
5 2026-08-19 01:18 639226983847312345
318 ms 15.235.140.64
4 2026-08-19 01:02 639226974357874853
252 ms 15.235.140.64
3 2026-08-19 00:46 639226964670484721
511 ms 15.235.140.64
2 2026-08-19 00:30 639226954857899696
410 ms 15.235.140.64
1 2026-08-19 00:13 639226945091603488
497 ms 15.235.140.64