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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 559 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

74

Historical checks stored for this nameserver on selected date

Average Latency

559 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:49

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

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 dns2.rootcore.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 23:49 639230391807229016
101 ms 143.137.188.131
73 2026-08-22 23:33 639230382051619327
62 ms 143.137.188.131
72 2026-08-22 23:17 639230372323353529
2166 ms 143.137.188.131
71 2026-08-22 23:00 639230362586451064
73 ms 143.137.188.131
70 2026-08-22 22:44 639230352793666303
62 ms 143.137.188.131
69 2026-08-22 22:27 639230342775737758
53 ms 143.137.188.131
68 2026-08-22 22:10 639230332639939561
2031 ms 143.137.188.131
67 2026-08-22 21:18 639230301014190104
30 ms 143.137.188.131
66 2026-08-22 21:01 639230291048161498
74 ms 143.137.188.131
65 2026-08-22 20:44 639230280894353664
145 ms 143.137.188.131
64 2026-08-22 20:27 639230270699419073
2041 ms 143.137.188.131
63 2026-08-22 20:10 639230260248163050
58 ms 143.137.188.131
62 2026-08-22 19:53 639230250122494282
43 ms 143.137.188.131
61 2026-08-22 19:36 639230239972935046
69 ms 143.137.188.131
60 2026-08-22 19:19 639230229963262464
97 ms 143.137.188.131
59 2026-08-22 19:03 639230220033804658
40 ms 143.137.188.131
58 2026-08-22 18:46 639230209891107289
97 ms 143.137.188.131
57 2026-08-22 18:29 639230199630298717
54 ms 143.137.188.131
56 2026-08-22 18:12 639230189301984150
2029 ms 143.137.188.131
55 2026-08-22 17:18 639230157138468804
104 ms 143.137.188.131
54 2026-08-22 17:01 639230146987869495
68 ms 143.137.188.131
53 2026-08-22 16:44 639230136768638516
85 ms 143.137.188.131
52 2026-08-22 16:27 639230126735907877
53 ms 143.137.188.131
51 2026-08-22 16:10 639230116551187768
81 ms 143.137.188.131
50 2026-08-22 15:53 639230106335615913
86 ms 143.137.188.131
49 2026-08-22 15:36 639230096177758176
86 ms 143.137.188.131
48 2026-08-22 15:20 639230086185999993
2114 ms 143.137.188.131
47 2026-08-22 15:03 639230076247854903
42 ms 143.137.188.131
46 2026-08-22 14:46 639230066076077530
36 ms 143.137.188.131
45 2026-08-22 14:29 639230055738197328
59 ms 143.137.188.131
44 2026-08-22 14:12 639230045411225521
76 ms 143.137.188.131
43 2026-08-22 13:18 639230013046000470
4021 ms 143.137.188.131
42 2026-08-22 13:01 639230003090037878
2019 ms 143.137.188.131
41 2026-08-22 12:44 639229993008259475
79 ms 143.137.188.131
40 2026-08-22 12:27 639229982909449470
52 ms 143.137.188.131
39 2026-08-22 12:11 639229973035502212
62 ms 143.137.188.131
38 2026-08-22 11:54 639229963064296145
4083 ms 143.137.188.131
37 2026-08-22 11:38 639229952996162143
4025 ms 143.137.188.131
36 2026-08-22 11:21 639229943051949195
85 ms 143.137.188.131
35 2026-08-22 11:04 639229932919214934
75 ms 143.137.188.131
34 2026-08-22 10:47 639229922745889838
147 ms 143.137.188.131
33 2026-08-22 10:30 639229912587214796
2420 ms 143.137.188.131
32 2026-08-22 10:13 639229902240004454
40 ms 143.137.188.131
31 2026-08-22 09:21 639229870800501662
92 ms 143.137.188.131
30 2026-08-22 09:04 639229861058384956
70 ms 143.137.188.131
29 2026-08-22 08:48 639229851158592604
51 ms 143.137.188.131
28 2026-08-22 08:32 639229841475569629
2029 ms 143.137.188.131
27 2026-08-22 08:16 639229831887658471
177 ms 143.137.188.131
26 2026-08-22 07:59 639229822043670346
37 ms 143.137.188.131
25 2026-08-22 07:43 639229812327913936
38 ms 143.137.188.131
24 2026-08-22 07:27 639229802629488686
258 ms 143.137.188.131
23 2026-08-22 07:11 639229793051447309
70 ms 143.137.188.131
22 2026-08-22 06:55 639229783303531961
108 ms 143.137.188.131
21 2026-08-22 06:38 639229773458051942
31 ms 143.137.188.131
20 2026-08-22 06:22 639229763373848056
77 ms 143.137.188.131
19 2026-08-22 05:30 639229732140622809
53 ms 143.137.188.131
18 2026-08-22 05:14 639229722699695967
74 ms 143.137.188.131
17 2026-08-22 04:58 639229713097498075
104 ms 143.137.188.131
16 2026-08-22 04:42 639229703543969637
44 ms 143.137.188.131
15 2026-08-22 04:26 639229693970392873
50 ms 143.137.188.131
14 2026-08-22 04:10 639229684277329469
40 ms 143.137.188.131
13 2026-08-22 03:54 639229674501596661
79 ms 143.137.188.131
12 2026-08-22 03:38 639229665064441147
28 ms 143.137.188.131
11 2026-08-22 03:22 639229655507536872
4 ms 143.137.188.131
10 2026-08-22 03:06 639229645849603111
48 ms 143.137.188.131
9 2026-08-22 02:49 639229636090497453
47 ms 143.137.188.131
8 2026-08-22 02:33 639229625978544281
85 ms 143.137.188.131
7 2026-08-22 01:40 639229594644662176
2092 ms 143.137.188.131
6 2026-08-22 01:25 639229585214633065
41 ms 143.137.188.131
5 2026-08-22 01:09 639229575581042175
2016 ms 143.137.188.131
4 2026-08-22 00:53 639229565912268962
4015 ms 143.137.188.131
3 2026-08-22 00:36 639229556237813203
5 ms 143.137.188.131
2 2026-08-22 00:20 639229546625802518
86 ms 143.137.188.131
1 2026-08-22 00:04 639229537172016621
114 ms 143.137.188.131