History for dns2.rootcore.com.br
Domain: rootcore.com.br • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.rootcore.com.br
dns2.rootcore.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, 73 successful responses, 2 failed responses, and 565 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 dns2.rootcore.com.br.
Records on Selected Date
75
Historical checks stored for this nameserver on selected date
Average Latency
565 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-23 23:47
All timestamps shown in UTC
Latest Resolved IP on Selected Date
143.137.188.131
Most recently resolved hosting IP on selected date
Successful Responses
73
Checks that returned a measurable response
Failed Responses
2
Checks with no response or no returned latency
Failure Rate
3%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for dns2.rootcore.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 23:47 | 639231254406598736 |
|
417 ms | 143.137.188.131 |
| 74 | 2026-08-23 23:30 | 639231244697865594 |
|
219 ms | 143.137.188.131 |
| 73 | 2026-08-23 23:14 | 639231234893504693 |
|
2026 ms | 143.137.188.131 |
| 72 | 2026-08-23 22:58 | 639231225024549139 |
|
149 ms | 143.137.188.131 |
| 71 | 2026-08-23 22:41 | 639231214931957622 |
|
143 ms | 143.137.188.131 |
| 70 | 2026-08-23 22:25 | 639231204962010549 |
|
- | |
| 69 | 2026-08-23 22:08 | 639231195170138463 |
|
47 ms | 143.137.188.131 |
| 68 | 2026-08-23 21:51 | 639231185235020577 |
|
124 ms | 143.137.188.131 |
| 67 | 2026-08-23 21:35 | 639231175558690075 |
|
68 ms | 143.137.188.131 |
| 66 | 2026-08-23 21:19 | 639231165610444012 |
|
127 ms | 143.137.188.131 |
| 65 | 2026-08-23 20:26 | 639231133806425363 |
|
2035 ms | 143.137.188.131 |
| 64 | 2026-08-23 20:10 | 639231124203758023 |
|
4018 ms | 143.137.188.131 |
| 63 | 2026-08-23 19:53 | 639231114428262706 |
|
48 ms | 143.137.188.131 |
| 62 | 2026-08-23 19:37 | 639231104662480065 |
|
17 ms | 143.137.188.131 |
| 61 | 2026-08-23 19:21 | 639231094840372018 |
|
30 ms | 143.137.188.131 |
| 60 | 2026-08-23 19:04 | 639231085024583224 |
|
26 ms | 143.137.188.131 |
| 59 | 2026-08-23 18:48 | 639231075257417427 |
|
334 ms | 143.137.188.131 |
| 58 | 2026-08-23 18:32 | 639231065516009503 |
|
56 ms | 143.137.188.131 |
| 57 | 2026-08-23 18:16 | 639231055805348837 |
|
73 ms | 143.137.188.131 |
| 56 | 2026-08-23 17:59 | 639231045980373765 |
|
36 ms | 143.137.188.131 |
| 55 | 2026-08-23 17:43 | 639231035984577527 |
|
49 ms | 143.137.188.131 |
| 54 | 2026-08-23 17:26 | 639231025928115303 |
|
76 ms | 143.137.188.131 |
| 53 | 2026-08-23 16:33 | 639230994250157583 |
|
2027 ms | 143.137.188.131 |
| 52 | 2026-08-23 16:17 | 639230984476411369 |
|
39 ms | 143.137.188.131 |
| 51 | 2026-08-23 16:01 | 639230974838373450 |
|
116 ms | 143.137.188.131 |
| 50 | 2026-08-23 15:45 | 639230965244277645 |
|
71 ms | 143.137.188.131 |
| 49 | 2026-08-23 15:28 | 639230955522101820 |
|
86 ms | 143.137.188.131 |
| 48 | 2026-08-23 15:12 | 639230945754521603 |
|
81 ms | 143.137.188.131 |
| 47 | 2026-08-23 14:56 | 639230935852040504 |
|
47 ms | 143.137.188.131 |
| 46 | 2026-08-23 14:40 | 639230926222061048 |
|
8 ms | 143.137.188.131 |
| 45 | 2026-08-23 14:23 | 639230916449726907 |
|
37 ms | 143.137.188.131 |
| 44 | 2026-08-23 14:07 | 639230906595053086 |
|
66 ms | 143.137.188.131 |
| 43 | 2026-08-23 13:50 | 639230896680429441 |
|
46 ms | 143.137.188.131 |
| 42 | 2026-08-23 13:34 | 639230886630210965 |
|
119 ms | 143.137.188.131 |
| 41 | 2026-08-23 12:42 | 639230855430405719 |
|
68 ms | 143.137.188.131 |
| 40 | 2026-08-23 12:26 | 639230845707499136 |
|
4019 ms | 143.137.188.131 |
| 39 | 2026-08-23 12:10 | 639230836186805419 |
|
20 ms | 143.137.188.131 |
| 38 | 2026-08-23 11:54 | 639230826493828316 |
|
53 ms | 143.137.188.131 |
| 37 | 2026-08-23 11:37 | 639230816817882996 |
|
54 ms | 143.137.188.131 |
| 36 | 2026-08-23 11:21 | 639230806933854189 |
|
46 ms | 143.137.188.131 |
| 35 | 2026-08-23 11:05 | 639230797120243854 |
|
4017 ms | 143.137.188.131 |
| 34 | 2026-08-23 10:48 | 639230787310272840 |
|
- | |
| 33 | 2026-08-23 10:32 | 639230777600173142 |
|
2058 ms | 143.137.188.131 |
| 32 | 2026-08-23 10:15 | 639230767665024593 |
|
52 ms | 143.137.188.131 |
| 31 | 2026-08-23 09:59 | 639230757720962293 |
|
58 ms | 143.137.188.131 |
| 30 | 2026-08-23 09:42 | 639230747722189784 |
|
76 ms | 143.137.188.131 |
| 29 | 2026-08-23 08:50 | 639230716313923480 |
|
146 ms | 143.137.188.131 |
| 28 | 2026-08-23 08:34 | 639230706813835990 |
|
47 ms | 143.137.188.131 |
| 27 | 2026-08-23 08:17 | 639230696871062203 |
|
49 ms | 143.137.188.131 |
| 26 | 2026-08-23 08:01 | 639230687142781616 |
|
102 ms | 143.137.188.131 |
| 25 | 2026-08-23 07:45 | 639230677432142227 |
|
65 ms | 143.137.188.131 |
| 24 | 2026-08-23 07:29 | 639230667686258061 |
|
115 ms | 143.137.188.131 |
| 23 | 2026-08-23 07:13 | 639230658039243685 |
|
107 ms | 143.137.188.131 |
| 22 | 2026-08-23 06:57 | 639230648468473803 |
|
43 ms | 143.137.188.131 |
| 21 | 2026-08-23 06:41 | 639230638829658294 |
|
25 ms | 143.137.188.131 |
| 20 | 2026-08-23 06:25 | 639230629247017617 |
|
69 ms | 143.137.188.131 |
| 19 | 2026-08-23 06:09 | 639230619625318239 |
|
2136 ms | 143.137.188.131 |
| 18 | 2026-08-23 05:52 | 639230609697630264 |
|
2021 ms | 143.137.188.131 |
| 17 | 2026-08-23 05:00 | 639230578570131864 |
|
141 ms | 143.137.188.131 |
| 16 | 2026-08-23 04:44 | 639230568958963168 |
|
50 ms | 143.137.188.131 |
| 15 | 2026-08-23 04:28 | 639230559287611211 |
|
91 ms | 143.137.188.131 |
| 14 | 2026-08-23 04:12 | 639230549524312030 |
|
57 ms | 143.137.188.131 |
| 13 | 2026-08-23 03:56 | 639230539739801669 |
|
4070 ms | 143.137.188.131 |
| 12 | 2026-08-23 03:40 | 639230530084069375 |
|
42 ms | 143.137.188.131 |
| 11 | 2026-08-23 03:23 | 639230520362691441 |
|
4026 ms | 143.137.188.131 |
| 10 | 2026-08-23 03:07 | 639230510677194518 |
|
70 ms | 143.137.188.131 |
| 9 | 2026-08-23 02:51 | 639230501156002646 |
|
11 ms | 143.137.188.131 |
| 8 | 2026-08-23 02:35 | 639230491502198541 |
|
62 ms | 143.137.188.131 |
| 7 | 2026-08-23 02:19 | 639230481860318494 |
|
48 ms | 143.137.188.131 |
| 6 | 2026-08-23 02:02 | 639230471893008575 |
|
37 ms | 143.137.188.131 |
| 5 | 2026-08-23 01:09 | 639230440030877421 |
|
35 ms | 143.137.188.131 |
| 4 | 2026-08-23 00:53 | 639230430479725508 |
|
30 ms | 143.137.188.131 |
| 3 | 2026-08-23 00:37 | 639230420875160219 |
|
100 ms | 143.137.188.131 |
| 2 | 2026-08-23 00:21 | 639230411240692575 |
|
45 ms | 143.137.188.131 |
| 1 | 2026-08-23 00:05 | 639230401550806607 |
|
4034 ms | 143.137.188.131 |