History for ns1.coretelecom.com.br
Domain: coretelecom.com.br • Tracking since 2026-08-04 23:25 UTC
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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 501 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
75
Historical checks stored for this nameserver on selected date
Average Latency
501 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-23 23:56
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
74
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 2026-08-23 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 | 2026-08-23 23:56 | 639231254406598736 |
|
2 ms | 177.221.240.131 |
| 74 | 2026-08-23 23:40 | 639231244697865594 |
|
3 ms | 177.221.240.131 |
| 73 | 2026-08-23 23:23 | 639231234893504693 |
|
3 ms | 177.221.240.131 |
| 72 | 2026-08-23 23:07 | 639231225024549139 |
|
3 ms | 177.221.240.131 |
| 71 | 2026-08-23 22:50 | 639231214931957622 |
|
18 ms | 177.221.240.131 |
| 70 | 2026-08-23 22:33 | 639231204962010549 |
|
3 ms | 177.221.240.131 |
| 69 | 2026-08-23 22:17 | 639231195170138463 |
|
243 ms | 177.221.240.131 |
| 68 | 2026-08-23 22:01 | 639231185235020577 |
|
408 ms | 177.221.240.131 |
| 67 | 2026-08-23 21:44 | 639231175558690075 |
|
440 ms | 177.221.240.131 |
| 66 | 2026-08-23 21:28 | 639231165610444012 |
|
4 ms | 177.221.240.131 |
| 65 | 2026-08-23 20:35 | 639231133806425363 |
|
4 ms | 177.221.240.131 |
| 64 | 2026-08-23 20:19 | 639231124203758023 |
|
386 ms | 177.221.240.131 |
| 63 | 2026-08-23 20:03 | 639231114428262706 |
|
225 ms | 177.221.240.131 |
| 62 | 2026-08-23 19:46 | 639231104662480065 |
|
2 ms | 177.221.240.131 |
| 61 | 2026-08-23 19:30 | 639231094840372018 |
|
211 ms | 177.221.240.131 |
| 60 | 2026-08-23 19:14 | 639231085024583224 |
|
3 ms | 177.221.240.131 |
| 59 | 2026-08-23 18:57 | 639231075257417427 |
|
411 ms | 177.221.240.131 |
| 58 | 2026-08-23 18:41 | 639231065516009503 |
|
2234 ms | 177.221.240.131 |
| 57 | 2026-08-23 18:25 | 639231055805348837 |
|
395 ms | 177.221.240.131 |
| 56 | 2026-08-23 18:08 | 639231045980373765 |
|
396 ms | 177.221.240.131 |
| 55 | 2026-08-23 17:52 | 639231035984577527 |
|
343 ms | 177.221.240.131 |
| 54 | 2026-08-23 17:35 | 639231025928115303 |
|
3 ms | 177.221.240.131 |
| 53 | 2026-08-23 16:42 | 639230994250157583 |
|
401 ms | 177.221.240.131 |
| 52 | 2026-08-23 16:26 | 639230984476411369 |
|
3 ms | 177.221.240.131 |
| 51 | 2026-08-23 16:10 | 639230974838373450 |
|
241 ms | 177.221.240.131 |
| 50 | 2026-08-23 15:54 | 639230965244277645 |
|
402 ms | 177.221.240.131 |
| 49 | 2026-08-23 15:38 | 639230955522101820 |
|
4 ms | 177.221.240.131 |
| 48 | 2026-08-23 15:21 | 639230945754521603 |
|
2 ms | 177.221.240.131 |
| 47 | 2026-08-23 15:05 | 639230935852040504 |
|
398 ms | 177.221.240.131 |
| 46 | 2026-08-23 14:49 | 639230926222061048 |
|
383 ms | 177.221.240.131 |
| 45 | 2026-08-23 14:32 | 639230916449726907 |
|
401 ms | 177.221.240.131 |
| 44 | 2026-08-23 14:16 | 639230906595053086 |
|
529 ms | 177.221.240.131 |
| 43 | 2026-08-23 14:00 | 639230896680429441 |
|
- | |
| 42 | 2026-08-23 13:43 | 639230886630210965 |
|
395 ms | 177.221.240.131 |
| 41 | 2026-08-23 12:51 | 639230855430405719 |
|
399 ms | 177.221.240.131 |
| 40 | 2026-08-23 12:35 | 639230845707499136 |
|
2225 ms | 177.221.240.131 |
| 39 | 2026-08-23 12:18 | 639230836186805419 |
|
5 ms | 177.221.240.131 |
| 38 | 2026-08-23 12:03 | 639230826493828316 |
|
393 ms | 177.221.240.131 |
| 37 | 2026-08-23 11:46 | 639230816817882996 |
|
2223 ms | 177.221.240.131 |
| 36 | 2026-08-23 11:30 | 639230806933854189 |
|
403 ms | 177.221.240.131 |
| 35 | 2026-08-23 11:14 | 639230797120243854 |
|
394 ms | 177.221.240.131 |
| 34 | 2026-08-23 10:57 | 639230787310272840 |
|
400 ms | 177.221.240.131 |
| 33 | 2026-08-23 10:41 | 639230777600173142 |
|
2225 ms | 177.221.240.131 |
| 32 | 2026-08-23 10:25 | 639230767665024593 |
|
2223 ms | 177.221.240.131 |
| 31 | 2026-08-23 10:08 | 639230757720962293 |
|
398 ms | 177.221.240.131 |
| 30 | 2026-08-23 09:51 | 639230747722189784 |
|
2227 ms | 177.221.240.131 |
| 29 | 2026-08-23 08:59 | 639230716313923480 |
|
192 ms | 177.221.240.131 |
| 28 | 2026-08-23 08:43 | 639230706813835990 |
|
392 ms | 177.221.240.131 |
| 27 | 2026-08-23 08:27 | 639230696871062203 |
|
8 ms | 177.221.240.131 |
| 26 | 2026-08-23 08:10 | 639230687142781616 |
|
400 ms | 177.221.240.131 |
| 25 | 2026-08-23 07:54 | 639230677432142227 |
|
427 ms | 177.221.240.131 |
| 24 | 2026-08-23 07:38 | 639230667686258061 |
|
378 ms | 177.221.240.131 |
| 23 | 2026-08-23 07:22 | 639230658039243685 |
|
402 ms | 177.221.240.131 |
| 22 | 2026-08-23 07:06 | 639230648468473803 |
|
239 ms | 177.221.240.131 |
| 21 | 2026-08-23 06:50 | 639230638829658294 |
|
318 ms | 177.221.240.131 |
| 20 | 2026-08-23 06:34 | 639230629247017617 |
|
385 ms | 177.221.240.131 |
| 19 | 2026-08-23 06:17 | 639230619625318239 |
|
236 ms | 177.221.240.131 |
| 18 | 2026-08-23 06:01 | 639230609697630264 |
|
2 ms | 177.221.240.131 |
| 17 | 2026-08-23 05:09 | 639230578570131864 |
|
392 ms | 177.221.240.131 |
| 16 | 2026-08-23 04:53 | 639230568958963168 |
|
387 ms | 177.221.240.131 |
| 15 | 2026-08-23 04:37 | 639230559287611211 |
|
387 ms | 177.221.240.131 |
| 14 | 2026-08-23 04:21 | 639230549524312030 |
|
7 ms | 177.221.240.131 |
| 13 | 2026-08-23 04:05 | 639230539739801669 |
|
395 ms | 177.221.240.131 |
| 12 | 2026-08-23 03:49 | 639230530084069375 |
|
400 ms | 177.221.240.131 |
| 11 | 2026-08-23 03:32 | 639230520362691441 |
|
400 ms | 177.221.240.131 |
| 10 | 2026-08-23 03:16 | 639230510677194518 |
|
4260 ms | 177.221.240.131 |
| 9 | 2026-08-23 03:00 | 639230501156002646 |
|
9 ms | 177.221.240.131 |
| 8 | 2026-08-23 02:44 | 639230491502198541 |
|
2 ms | 177.221.240.131 |
| 7 | 2026-08-23 02:28 | 639230481860318494 |
|
385 ms | 177.221.240.131 |
| 6 | 2026-08-23 02:12 | 639230471893008575 |
|
241 ms | 177.221.240.131 |
| 5 | 2026-08-23 01:18 | 639230440030877421 |
|
4004 ms | 177.221.240.131 |
| 4 | 2026-08-23 01:02 | 639230430479725508 |
|
4 ms | 177.221.240.131 |
| 3 | 2026-08-23 00:46 | 639230420875160219 |
|
8 ms | 177.221.240.131 |
| 2 | 2026-08-23 00:30 | 639230411240692575 |
|
3 ms | 177.221.240.131 |
| 1 | 2026-08-23 00:14 | 639230401550806607 |
|
6 ms | 177.221.240.131 |