DNS response history for dns1.rootcore.com.br

dns1.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, 77 successful responses, 0 failed responses, and 196 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 dns1.rootcore.com.br.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

196 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:09

All timestamps shown in UTC

Latest Resolved IP on Selected Date

177.136.237.51

Most recently resolved hosting IP on selected date

Successful Responses

77

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 dns1.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 23:09 639219137912168440
2020 ms 177.136.237.51
76 2026-08-09 22:55 639219129014206359
58 ms 177.136.237.51
75 2026-08-09 22:40 639219120129816185
48 ms 177.136.237.51
74 2026-08-09 22:25 639219111180200055
372 ms 177.136.237.51
73 2026-08-09 22:10 639219102397272208
28 ms 177.136.237.51
72 2026-08-09 21:55 639219093318422880
2016 ms 177.136.237.51
71 2026-08-09 21:40 639219084400315753
50 ms 177.136.237.51
70 2026-08-09 21:25 639219075254551587
32 ms 177.136.237.51
69 2026-08-09 21:09 639219065729192158
37 ms 177.136.237.51
68 2026-08-09 20:54 639219056747802098
31 ms 177.136.237.51
67 2026-08-09 20:39 639219047713450952
49 ms 177.136.237.51
66 2026-08-09 20:24 639219038561445315
68 ms 177.136.237.51
65 2026-08-09 19:32 639219007390383771
148 ms 177.136.237.51
64 2026-08-09 19:17 639218998523265596
93 ms 177.136.237.51
63 2026-08-09 19:02 639218989631630804
48 ms 177.136.237.51
62 2026-08-09 18:48 639218980808450892
75 ms 177.136.237.51
61 2026-08-09 18:33 639218971852160604
143 ms 177.136.237.51
60 2026-08-09 18:18 639218962783650906
2026 ms 177.136.237.51
59 2026-08-09 18:03 639218953792820819
28 ms 177.136.237.51
58 2026-08-09 17:48 639218944959692876
173 ms 177.136.237.51
57 2026-08-09 17:33 639218936169104506
103 ms 177.136.237.51
56 2026-08-09 17:18 639218927166062556
128 ms 177.136.237.51
55 2026-08-09 17:03 639218918015715420
2024 ms 177.136.237.51
54 2026-08-09 16:48 639218908881852638
101 ms 177.136.237.51
53 2026-08-09 15:56 639218877956262035
60 ms 177.136.237.51
52 2026-08-09 15:41 639218869143729797
51 ms 177.136.237.51
51 2026-08-09 15:27 639218860485298832
60 ms 177.136.237.51
50 2026-08-09 15:12 639218851607906747
5 ms 177.136.237.51
49 2026-08-09 14:57 639218842720839568
58 ms 177.136.237.51
48 2026-08-09 14:43 639218833878788864
29 ms 177.136.237.51
47 2026-08-09 14:28 639218825180862573
85 ms 177.136.237.51
46 2026-08-09 14:14 639218816469621951
32 ms 177.136.237.51
45 2026-08-09 13:59 639218807685036212
49 ms 177.136.237.51
44 2026-08-09 13:45 639218798978271509
38 ms 177.136.237.51
43 2026-08-09 13:30 639218790065423597
49 ms 177.136.237.51
42 2026-08-09 13:15 639218781304584862
313 ms 177.136.237.51
41 2026-08-09 12:23 639218750311179000
34 ms 177.136.237.51
40 2026-08-09 12:09 639218741750420268
57 ms 177.136.237.51
39 2026-08-09 11:55 639218733057535576
54 ms 177.136.237.51
38 2026-08-09 11:40 639218724471329044
63 ms 177.136.237.51
37 2026-08-09 11:26 639218715911974203
71 ms 177.136.237.51
36 2026-08-09 11:12 639218707310812834
62 ms 177.136.237.51
35 2026-08-09 10:58 639218698790485612
349 ms 177.136.237.51
34 2026-08-09 10:44 639218690367692706
39 ms 177.136.237.51
33 2026-08-09 10:29 639218681923173883
21 ms 177.136.237.51
32 2026-08-09 10:15 639218673547179738
43 ms 177.136.237.51
31 2026-08-09 10:01 639218664890274867
35 ms 177.136.237.51
30 2026-08-09 09:46 639218656036928157
126 ms 177.136.237.51
29 2026-08-09 08:54 639218624808018222
27 ms 177.136.237.51
28 2026-08-09 08:40 639218616243340806
50 ms 177.136.237.51
27 2026-08-09 08:25 639218607397811973
52 ms 177.136.237.51
26 2026-08-09 08:11 639218598812444454
19 ms 177.136.237.51
25 2026-08-09 07:57 639218590219570048
4 ms 177.136.237.51
24 2026-08-09 07:43 639218581690210758
12 ms 177.136.237.51
23 2026-08-09 07:28 639218573057388822
14 ms 177.136.237.51
22 2026-08-09 07:14 639218564408781785
42 ms 177.136.237.51
21 2026-08-09 06:59 639218555767188482
4 ms 177.136.237.51
20 2026-08-09 06:45 639218547142705295
37 ms 177.136.237.51
19 2026-08-09 06:30 639218538090114532
26 ms 177.136.237.51
18 2026-08-09 06:15 639218529257910584
61 ms 177.136.237.51
17 2026-08-09 05:24 639218498473231858
180 ms 177.136.237.51
16 2026-08-09 05:09 639218489802113995
44 ms 177.136.237.51
15 2026-08-09 04:55 639218481006804516
51 ms 177.136.237.51
14 2026-08-09 04:40 639218472048712427
33 ms 177.136.237.51
13 2026-08-09 04:25 639218463224432974
21 ms 177.136.237.51
12 2026-08-09 04:10 639218454384107526
24 ms 177.136.237.51
11 2026-08-09 03:55 639218445331231791
31 ms 177.136.237.51
10 2026-08-09 03:40 639218436285215733
2051 ms 177.136.237.51
9 2026-08-09 03:25 639218427289555123
42 ms 177.136.237.51
8 2026-08-09 03:10 639218418227819981
100 ms 177.136.237.51
7 2026-08-09 02:55 639218409119503123
27 ms 177.136.237.51
6 2026-08-09 02:39 639218399771712154
15 ms 177.136.237.51
5 2026-08-09 01:48 639218368648652303
53 ms 177.136.237.51
4 2026-08-09 01:32 639218359569598460
261 ms 177.136.237.51
3 2026-08-09 01:17 639218350555429902
25 ms 177.136.237.51
2 2026-08-09 01:02 639218341311543299
31 ms 177.136.237.51
1 2026-08-09 00:10 639218309981981465
37 ms 177.136.237.51