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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 233 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

74

Historical checks stored for this nameserver on selected date

Average Latency

233 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:48

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

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 dns1.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 23:48 639230391807229016
36 ms 177.136.237.51
73 2026-08-22 23:32 639230382051619327
35 ms 177.136.237.51
72 2026-08-22 23:16 639230372323353529
31 ms 177.136.237.51
71 2026-08-22 23:00 639230362586451064
16 ms 177.136.237.51
70 2026-08-22 22:43 639230352793666303
27 ms 177.136.237.51
69 2026-08-22 22:27 639230342775737758
47 ms 177.136.237.51
68 2026-08-22 22:10 639230332639939561
336 ms 177.136.237.51
67 2026-08-22 21:17 639230301014190104
40 ms 177.136.237.51
66 2026-08-22 21:01 639230291048161498
56 ms 177.136.237.51
65 2026-08-22 20:44 639230280894353664
2099 ms 177.136.237.51
64 2026-08-22 20:27 639230270699419073
31 ms 177.136.237.51
63 2026-08-22 20:09 639230260248163050
2068 ms 177.136.237.51
62 2026-08-22 19:52 639230250122494282
210 ms 177.136.237.51
61 2026-08-22 19:35 639230239972935046
41 ms 177.136.237.51
60 2026-08-22 19:19 639230229963262464
50 ms 177.136.237.51
59 2026-08-22 19:02 639230220033804658
50 ms 177.136.237.51
58 2026-08-22 18:45 639230209891107289
19 ms 177.136.237.51
57 2026-08-22 18:28 639230199630298717
59 ms 177.136.237.51
56 2026-08-22 18:11 639230189301984150
80 ms 177.136.237.51
55 2026-08-22 17:17 639230157138468804
58 ms 177.136.237.51
54 2026-08-22 17:01 639230146987869495
197 ms 177.136.237.51
53 2026-08-22 16:43 639230136768638516
80 ms 177.136.237.51
52 2026-08-22 16:27 639230126735907877
276 ms 177.136.237.51
51 2026-08-22 16:10 639230116551187768
90 ms 177.136.237.51
50 2026-08-22 15:53 639230106335615913
56 ms 177.136.237.51
49 2026-08-22 15:36 639230096177758176
27 ms 177.136.237.51
48 2026-08-22 15:19 639230086185999993
314 ms 177.136.237.51
47 2026-08-22 15:03 639230076247854903
506 ms 177.136.237.51
46 2026-08-22 14:46 639230066076077530
32 ms 177.136.237.51
45 2026-08-22 14:28 639230055738197328
41 ms 177.136.237.51
44 2026-08-22 14:11 639230045411225521
68 ms 177.136.237.51
43 2026-08-22 13:17 639230013046000470
51 ms 177.136.237.51
42 2026-08-22 13:01 639230003090037878
18 ms 177.136.237.51
41 2026-08-22 12:44 639229993008259475
45 ms 177.136.237.51
40 2026-08-22 12:27 639229982909449470
41 ms 177.136.237.51
39 2026-08-22 12:11 639229973035502212
65 ms 177.136.237.51
38 2026-08-22 11:54 639229963064296145
25 ms 177.136.237.51
37 2026-08-22 11:37 639229952996162143
53 ms 177.136.237.51
36 2026-08-22 11:20 639229943051949195
25 ms 177.136.237.51
35 2026-08-22 11:04 639229932919214934
62 ms 177.136.237.51
34 2026-08-22 10:47 639229922745889838
12 ms 177.136.237.51
33 2026-08-22 10:30 639229912587214796
4041 ms 177.136.237.51
32 2026-08-22 10:13 639229902240004454
2051 ms 177.136.237.51
31 2026-08-22 09:20 639229870800501662
48 ms 177.136.237.51
30 2026-08-22 09:04 639229861058384956
52 ms 177.136.237.51
29 2026-08-22 08:48 639229851158592604
31 ms 177.136.237.51
28 2026-08-22 08:31 639229841475569629
215 ms 177.136.237.51
27 2026-08-22 08:15 639229831887658471
2221 ms 177.136.237.51
26 2026-08-22 07:59 639229822043670346
18 ms 177.136.237.51
25 2026-08-22 07:43 639229812327913936
204 ms 177.136.237.51
24 2026-08-22 07:27 639229802629488686
46 ms 177.136.237.51
23 2026-08-22 07:11 639229793051447309
85 ms 177.136.237.51
22 2026-08-22 06:54 639229783303531961
35 ms 177.136.237.51
21 2026-08-22 06:38 639229773458051942
17 ms 177.136.237.51
20 2026-08-22 06:21 639229763373848056
28 ms 177.136.237.51
19 2026-08-22 05:29 639229732140622809
48 ms 177.136.237.51
18 2026-08-22 05:13 639229722699695967
31 ms 177.136.237.51
17 2026-08-22 04:57 639229713097498075
16 ms 177.136.237.51
16 2026-08-22 04:41 639229703543969637
25 ms 177.136.237.51
15 2026-08-22 04:26 639229693970392873
142 ms 177.136.237.51
14 2026-08-22 04:09 639229684277329469
37 ms 177.136.237.51
13 2026-08-22 03:53 639229674501596661
20 ms 177.136.237.51
12 2026-08-22 03:37 639229665064441147
37 ms 177.136.237.51
11 2026-08-22 03:21 639229655507536872
21 ms 177.136.237.51
10 2026-08-22 03:05 639229645849603111
50 ms 177.136.237.51
9 2026-08-22 02:49 639229636090497453
23 ms 177.136.237.51
8 2026-08-22 02:32 639229625978544281
35 ms 177.136.237.51
7 2026-08-22 01:40 639229594644662176
31 ms 177.136.237.51
6 2026-08-22 01:24 639229585214633065
42 ms 177.136.237.51
5 2026-08-22 01:08 639229575581042175
21 ms 177.136.237.51
4 2026-08-22 00:52 639229565912268962
15 ms 177.136.237.51
3 2026-08-22 00:36 639229556237813203
31 ms 177.136.237.51
2 2026-08-22 00:20 639229546625802518
25 ms 177.136.237.51
1 2026-08-22 00:04 639229537172016621
30 ms 177.136.237.51