DNS response history for ns1.coretelecom.com.br

ns1.coretelecom.com.br 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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 518 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.coretelecom.com.br.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

518 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

177.221.240.131

Most recently resolved hosting IP on selected date

Successful Responses

73

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.coretelecom.com.br

Showing DNS history for 2026-08-22 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 2026-08-22 23:58 639230391807229016
250 ms 177.221.240.131
73 2026-08-22 23:42 639230382051619327
420 ms 177.221.240.131
72 2026-08-22 23:26 639230372323353529
379 ms 177.221.240.131
71 2026-08-22 23:09 639230362586451064
398 ms 177.221.240.131
70 2026-08-22 22:53 639230352793666303
405 ms 177.221.240.131
69 2026-08-22 22:37 639230342775737758
237 ms 177.221.240.131
68 2026-08-22 22:20 639230332639939561
532 ms 177.221.240.131
67 2026-08-22 21:27 639230301014190104
394 ms 177.221.240.131
66 2026-08-22 21:10 639230291048161498
400 ms 177.221.240.131
65 2026-08-22 20:54 639230280894353664
402 ms 177.221.240.131
64 2026-08-22 20:37 639230270699419073
404 ms 177.221.240.131
63 2026-08-22 20:19 639230260248163050
7 ms 177.221.240.131
62 2026-08-22 20:02 639230250122494282
397 ms 177.221.240.131
61 2026-08-22 19:45 639230239972935046
231 ms 177.221.240.131
60 2026-08-22 19:28 639230229963262464
4300 ms 177.221.240.131
59 2026-08-22 19:12 639230220033804658
387 ms 177.221.240.131
58 2026-08-22 18:55 639230209891107289
405 ms 177.221.240.131
57 2026-08-22 18:38 639230199630298717
406 ms 177.221.240.131
56 2026-08-22 18:21 639230189301984150
2438 ms 177.221.240.131
55 2026-08-22 17:27 639230157138468804
375 ms 177.221.240.131
54 2026-08-22 17:10 639230146987869495
402 ms 177.221.240.131
53 2026-08-22 16:53 639230136768638516
416 ms 177.221.240.131
52 2026-08-22 16:36 639230126735907877
320 ms 177.221.240.131
51 2026-08-22 16:20 639230116551187768
394 ms 177.221.240.131
50 2026-08-22 16:03 639230106335615913
401 ms 177.221.240.131
49 2026-08-22 15:45 639230096177758176
388 ms 177.221.240.131
48 2026-08-22 15:29 639230086185999993
382 ms 177.221.240.131
47 2026-08-22 15:12 639230076247854903
407 ms 177.221.240.131
46 2026-08-22 14:55 639230066076077530
404 ms 177.221.240.131
45 2026-08-22 14:38 639230055738197328
398 ms 177.221.240.131
44 2026-08-22 14:21 639230045411225521
397 ms 177.221.240.131
43 2026-08-22 13:27 639230013046000470
2220 ms 177.221.240.131
42 2026-08-22 13:10 639230003090037878
394 ms 177.221.240.131
41 2026-08-22 12:54 639229993008259475
401 ms 177.221.240.131
40 2026-08-22 12:37 639229982909449470
389 ms 177.221.240.131
39 2026-08-22 12:20 639229973035502212
386 ms 177.221.240.131
38 2026-08-22 12:04 639229963064296145
390 ms 177.221.240.131
37 2026-08-22 11:47 639229952996162143
415 ms 177.221.240.131
36 2026-08-22 11:30 639229943051949195
2319 ms 177.221.240.131
35 2026-08-22 11:14 639229932919214934
390 ms 177.221.240.131
34 2026-08-22 10:57 639229922745889838
225 ms 177.221.240.131
33 2026-08-22 10:40 639229912587214796
384 ms 177.221.240.131
32 2026-08-22 10:22 639229902240004454
398 ms 177.221.240.131
31 2026-08-22 09:30 639229870800501662
395 ms 177.221.240.131
30 2026-08-22 09:13 639229861058384956
406 ms 177.221.240.131
29 2026-08-22 08:57 639229851158592604
238 ms 177.221.240.131
28 2026-08-22 08:41 639229841475569629
393 ms 177.221.240.131
27 2026-08-22 08:25 639229831887658471
4 ms 177.221.240.131
26 2026-08-22 08:09 639229822043670346
228 ms 177.221.240.131
25 2026-08-22 07:52 639229812327913936
381 ms 177.221.240.131
24 2026-08-22 07:36 639229802629488686
422 ms 177.221.240.131
23 2026-08-22 07:20 639229793051447309
403 ms 177.221.240.131
22 2026-08-22 07:04 639229783303531961
407 ms 177.221.240.131
21 2026-08-22 06:47 639229773458051942
3 ms 177.221.240.131
20 2026-08-22 06:31 639229763373848056
398 ms 177.221.240.131
19 2026-08-22 05:39 639229732140622809
311 ms 177.221.240.131
18 2026-08-22 05:23 639229722699695967
3 ms 177.221.240.131
17 2026-08-22 05:07 639229713097498075
2386 ms 177.221.240.131
16 2026-08-22 04:51 639229703543969637
3 ms 177.221.240.131
15 2026-08-22 04:35 639229693970392873
3 ms 177.221.240.131
14 2026-08-22 04:19 639229684277329469
392 ms 177.221.240.131
13 2026-08-22 04:03 639229674501596661
7 ms 177.221.240.131
12 2026-08-22 03:46 639229665064441147
3 ms 177.221.240.131
11 2026-08-22 03:31 639229655507536872
390 ms 177.221.240.131
10 2026-08-22 03:15 639229645849603111
3 ms 177.221.240.131
9 2026-08-22 02:58 639229636090497453
402 ms 177.221.240.131
8 2026-08-22 02:42 639229625978544281
224 ms 177.221.240.131
7 2026-08-22 01:49 639229594644662176
392 ms 177.221.240.131
6 2026-08-22 01:33 639229585214633065
2 ms 177.221.240.131
5 2026-08-22 01:18 639229575581042175
227 ms 177.221.240.131
4 2026-08-22 01:02 639229565912268962
2320 ms 177.221.240.131
3 2026-08-22 00:45 639229556237813203
879 ms 177.221.240.131
2 2026-08-22 00:29 639229546625802518
392 ms 177.221.240.131
1 2026-08-22 00:13 639229537172016621
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