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 2026-08-08. For this date, NameServerHistory found 64 DNS check records, 64 successful responses, 0 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 dns1.rootcore.com.br.
Records on Selected Date

64

Historical checks stored for this nameserver on selected date

Average Latency

154 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:55

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

64

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 2026-08-08 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
64 2026-08-08 23:55 639218300987184335
52 ms 177.136.237.51
63 2026-08-08 23:40 639218291874134258
322 ms 177.136.237.51
62 2026-08-08 23:25 639218282817785496
79 ms 177.136.237.51
61 2026-08-08 22:33 639218252106422334
75 ms 177.136.237.51
60 2026-08-08 22:19 639218243323944113
42 ms 177.136.237.51
59 2026-08-08 22:04 639218234397020230
89 ms 177.136.237.51
58 2026-08-08 21:49 639218225412858763
54 ms 177.136.237.51
57 2026-08-08 20:57 639218194282616684
29 ms 177.136.237.51
56 2026-08-08 20:41 639218185036989606
36 ms 177.136.237.51
55 2026-08-08 20:26 639218175974363575
83 ms 177.136.237.51
54 2026-08-08 20:11 639218166972644815
2033 ms 177.136.237.51
53 2026-08-08 19:19 639218135900313734
14 ms 177.136.237.51
52 2026-08-08 19:05 639218127088470726
36 ms 177.136.237.51
51 2026-08-08 18:50 639218118310406743
47 ms 177.136.237.51
50 2026-08-08 18:35 639218109452520238
72 ms 177.136.237.51
49 2026-08-08 17:44 639218078440804962
2016 ms 177.136.237.51
48 2026-08-08 17:29 639218069827056995
206 ms 177.136.237.51
47 2026-08-08 17:14 639218060928974999
46 ms 177.136.237.51
46 2026-08-08 17:00 639218052072104591
30 ms 177.136.237.51
45 2026-08-08 16:08 639218021131612993
14 ms 177.136.237.51
44 2026-08-08 15:54 639218012544891033
22 ms 177.136.237.51
43 2026-08-08 15:39 639218003733822367
19 ms 177.136.237.51
42 2026-08-08 15:25 639217994998349201
58 ms 177.136.237.51
41 2026-08-08 14:33 639217963788814319
73 ms 177.136.237.51
40 2026-08-08 14:18 639217955087396874
334 ms 177.136.237.51
39 2026-08-08 14:04 639217946350294952
22 ms 177.136.237.51
38 2026-08-08 13:49 639217937526020436
35 ms 177.136.237.51
37 2026-08-08 12:58 639217906769667024
49 ms 177.136.237.51
36 2026-08-08 12:44 639217898300938849
31 ms 177.136.237.51
35 2026-08-08 12:29 639217889778639925
86 ms 177.136.237.51
34 2026-08-08 12:15 639217881083065140
61 ms 177.136.237.51
33 2026-08-08 11:24 639217850620659312
107 ms 177.136.237.51
32 2026-08-08 11:10 639217841938624907
26 ms 177.136.237.51
31 2026-08-08 10:56 639217833389546843
86 ms 177.136.237.51
30 2026-08-08 10:42 639217824846173945
27 ms 177.136.237.51
29 2026-08-08 09:50 639217793807292972
50 ms 177.136.237.51
28 2026-08-08 09:35 639217785208951403
35 ms 177.136.237.51
27 2026-08-08 09:21 639217776566534942
66 ms 177.136.237.51
26 2026-08-08 09:07 639217767935139326
195 ms 177.136.237.51
25 2026-08-08 08:15 639217737225367411
53 ms 177.136.237.51
24 2026-08-08 08:01 639217728765093674
26 ms 177.136.237.51
23 2026-08-08 07:47 639217720136905586
41 ms 177.136.237.51
22 2026-08-08 07:32 639217711410853004
13 ms 177.136.237.51
21 2026-08-08 06:40 639217680275549698
15 ms 177.136.237.51
20 2026-08-08 06:25 639217671340563867
22 ms 177.136.237.51
19 2026-08-08 06:11 639217662739829952
2021 ms 177.136.237.51
18 2026-08-08 05:57 639217654129395144
18 ms 177.136.237.51
17 2026-08-08 05:06 639217623690502934
37 ms 177.136.237.51
16 2026-08-08 04:52 639217615180184169
39 ms 177.136.237.51
15 2026-08-08 04:38 639217606737293244
70 ms 177.136.237.51
14 2026-08-08 04:23 639217598089858483
41 ms 177.136.237.51
13 2026-08-08 03:32 639217567343169140
14 ms 177.136.237.51
12 2026-08-08 03:18 639217558743892856
16 ms 177.136.237.51
11 2026-08-08 03:03 639217550069823359
16 ms 177.136.237.51
10 2026-08-08 02:49 639217541571663863
76 ms 177.136.237.51
9 2026-08-08 02:04 639217510598671918
73 ms 177.136.237.51
8 2026-08-08 01:50 639217501853904641
31 ms 177.136.237.51
7 2026-08-08 01:35 639217492857464038
34 ms 177.136.237.51
6 2026-08-08 01:20 639217483935810845
21 ms 177.136.237.51
5 2026-08-08 01:05 639217475281344873
24 ms 177.136.237.51
4 2026-08-08 00:51 639217466591266473
113 ms 177.136.237.51
3 2026-08-08 00:36 639217457842031506
64 ms 177.136.237.51
2 2026-08-08 00:22 639217449192590684
215 ms 177.136.237.51
1 2026-08-08 00:07 639217440385817840
4 ms 177.136.237.51