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 2026-08-09. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 154 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

77

Historical checks stored for this nameserver on selected date

Average Latency

154 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:10

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

76

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 dns2.rootcore.com.br

Showing DNS history for 2026-08-09 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
77 2026-08-09 23:10 639219137912168440
22 ms 143.137.188.131
76 2026-08-09 22:55 639219129014206359
45 ms 143.137.188.131
75 2026-08-09 22:40 639219120129816185
58 ms 143.137.188.131
74 2026-08-09 22:25 639219111180200055
35 ms 143.137.188.131
73 2026-08-09 22:11 639219102397272208
45 ms 143.137.188.131
72 2026-08-09 21:56 639219093318422880
212 ms 143.137.188.131
71 2026-08-09 21:41 639219084400315753
42 ms 143.137.188.131
70 2026-08-09 21:26 639219075254551587
41 ms 143.137.188.131
69 2026-08-09 21:10 639219065729192158
45 ms 143.137.188.131
68 2026-08-09 20:55 639219056747802098
30 ms 143.137.188.131
67 2026-08-09 20:40 639219047713450952
68 ms 143.137.188.131
66 2026-08-09 20:25 639219038561445315
-
65 2026-08-09 19:33 639219007390383771
50 ms 143.137.188.131
64 2026-08-09 19:18 639218998523265596
8 ms 143.137.188.131
63 2026-08-09 19:03 639218989631630804
64 ms 143.137.188.131
62 2026-08-09 18:48 639218980808450892
18 ms 143.137.188.131
61 2026-08-09 18:34 639218971852160604
36 ms 143.137.188.131
60 2026-08-09 18:19 639218962783650906
228 ms 143.137.188.131
59 2026-08-09 18:03 639218953792820819
30 ms 143.137.188.131
58 2026-08-09 17:49 639218944959692876
303 ms 143.137.188.131
57 2026-08-09 17:34 639218936169104506
19 ms 143.137.188.131
56 2026-08-09 17:19 639218927166062556
56 ms 143.137.188.131
55 2026-08-09 17:04 639218918015715420
35 ms 143.137.188.131
54 2026-08-09 16:49 639218908881852638
76 ms 143.137.188.131
53 2026-08-09 15:57 639218877956262035
12 ms 143.137.188.131
52 2026-08-09 15:43 639218869143729797
118 ms 143.137.188.131
51 2026-08-09 15:28 639218860485298832
18 ms 143.137.188.131
50 2026-08-09 15:13 639218851607906747
46 ms 143.137.188.131
49 2026-08-09 14:58 639218842720839568
31 ms 143.137.188.131
48 2026-08-09 14:44 639218833878788864
50 ms 143.137.188.131
47 2026-08-09 14:29 639218825180862573
23 ms 143.137.188.131
46 2026-08-09 14:15 639218816469621951
392 ms 143.137.188.131
45 2026-08-09 14:00 639218807685036212
2019 ms 143.137.188.131
44 2026-08-09 13:46 639218798978271509
64 ms 143.137.188.131
43 2026-08-09 13:31 639218790065423597
5 ms 143.137.188.131
42 2026-08-09 13:16 639218781304584862
70 ms 143.137.188.131
41 2026-08-09 12:25 639218750311179000
20 ms 143.137.188.131
40 2026-08-09 12:11 639218741750420268
17 ms 143.137.188.131
39 2026-08-09 11:56 639218733057535576
36 ms 143.137.188.131
38 2026-08-09 11:42 639218724471329044
14 ms 143.137.188.131
37 2026-08-09 11:28 639218715911974203
12 ms 143.137.188.131
36 2026-08-09 11:13 639218707310812834
32 ms 143.137.188.131
35 2026-08-09 10:59 639218698790485612
48 ms 143.137.188.131
34 2026-08-09 10:45 639218690367692706
418 ms 143.137.188.131
33 2026-08-09 10:31 639218681923173883
33 ms 143.137.188.131
32 2026-08-09 10:17 639218673547179738
87 ms 143.137.188.131
31 2026-08-09 10:03 639218664890274867
23 ms 143.137.188.131
30 2026-08-09 09:48 639218656036928157
26 ms 143.137.188.131
29 2026-08-09 08:56 639218624808018222
40 ms 143.137.188.131
28 2026-08-09 08:42 639218616243340806
205 ms 143.137.188.131
27 2026-08-09 08:27 639218607397811973
13 ms 143.137.188.131
26 2026-08-09 08:13 639218598812444454
2043 ms 143.137.188.131
25 2026-08-09 07:58 639218590219570048
12 ms 143.137.188.131
24 2026-08-09 07:44 639218581690210758
35 ms 143.137.188.131
23 2026-08-09 07:30 639218573057388822
42 ms 143.137.188.131
22 2026-08-09 07:15 639218564408781785
210 ms 143.137.188.131
21 2026-08-09 07:01 639218555767188482
16 ms 143.137.188.131
20 2026-08-09 06:46 639218547142705295
6 ms 143.137.188.131
19 2026-08-09 06:31 639218538090114532
313 ms 143.137.188.131
18 2026-08-09 06:16 639218529257910584
40 ms 143.137.188.131
17 2026-08-09 05:25 639218498473231858
23 ms 143.137.188.131
16 2026-08-09 05:11 639218489802113995
18 ms 143.137.188.131
15 2026-08-09 04:56 639218481006804516
2072 ms 143.137.188.131
14 2026-08-09 04:41 639218472048712427
23 ms 143.137.188.131
13 2026-08-09 04:27 639218463224432974
55 ms 143.137.188.131
12 2026-08-09 04:12 639218454384107526
25 ms 143.137.188.131
11 2026-08-09 03:57 639218445331231791
78 ms 143.137.188.131
10 2026-08-09 03:42 639218436285215733
30 ms 143.137.188.131
9 2026-08-09 03:27 639218427289555123
68 ms 143.137.188.131
8 2026-08-09 03:12 639218418227819981
365 ms 143.137.188.131
7 2026-08-09 02:56 639218409119503123
39 ms 143.137.188.131
6 2026-08-09 02:41 639218399771712154
34 ms 143.137.188.131
5 2026-08-09 01:49 639218368648652303
21 ms 143.137.188.131
4 2026-08-09 01:34 639218359569598460
47 ms 143.137.188.131
3 2026-08-09 01:19 639218350555429902
30 ms 143.137.188.131
2 2026-08-09 01:03 639218341311543299
71 ms 143.137.188.131
1 2026-08-09 00:11 639218309981981465
557 ms 143.137.188.131