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 2026-08-27. For this date, NameServerHistory found 39 DNS check records, 39 successful responses, 0 failed responses, and 280 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

39

Historical checks stored for this nameserver on selected date

Average Latency

280 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 12:51

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

39

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 2026-08-27 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
39 2026-08-27 12:51 639234317475724313
71 ms 177.136.237.51
38 2026-08-27 12:34 639234307007468133
32 ms 177.136.237.51
37 2026-08-27 12:16 639234296664302575
29 ms 177.136.237.51
36 2026-08-27 11:59 639234286253196126
177 ms 177.136.237.51
35 2026-08-27 11:05 639234253963286387
99 ms 177.136.237.51
34 2026-08-27 10:48 639234243654907465
319 ms 177.136.237.51
33 2026-08-27 10:31 639234233269654413
39 ms 177.136.237.51
32 2026-08-27 10:14 639234222943951923
34 ms 177.136.237.51
31 2026-08-27 09:56 639234212558002823
17 ms 177.136.237.51
30 2026-08-27 09:39 639234202117531850
35 ms 177.136.237.51
29 2026-08-27 09:21 639234191649612722
40 ms 177.136.237.51
28 2026-08-27 09:04 639234181105879568
176 ms 177.136.237.51
27 2026-08-27 08:47 639234170713214496
21 ms 177.136.237.51
26 2026-08-27 08:29 639234160341037652
33 ms 177.136.237.51
25 2026-08-27 08:12 639234149799404224
16 ms 177.136.237.51
24 2026-08-27 07:55 639234139553286469
56 ms 177.136.237.51
23 2026-08-27 07:01 639234107183588293
2241 ms 177.136.237.51
22 2026-08-27 06:44 639234096905435724
2056 ms 177.136.237.51
21 2026-08-27 06:26 639234086579410775
37 ms 177.136.237.51
20 2026-08-27 06:09 639234076291157956
66 ms 177.136.237.51
19 2026-08-27 05:52 639234065981939454
41 ms 177.136.237.51
18 2026-08-27 05:35 639234055548642997
58 ms 177.136.237.51
17 2026-08-27 05:18 639234045267979603
84 ms 177.136.237.51
16 2026-08-27 05:01 639234034999717463
16 ms 177.136.237.51
15 2026-08-27 04:43 639234024739225358
208 ms 177.136.237.51
14 2026-08-27 04:26 639234014311170162
36 ms 177.136.237.51
13 2026-08-27 04:08 639234003806017640
34 ms 177.136.237.51
12 2026-08-27 03:51 639233993356203030
4017 ms 177.136.237.51
11 2026-08-27 02:58 639233961301716608
42 ms 177.136.237.51
10 2026-08-27 02:40 639233950834200647
34 ms 177.136.237.51
9 2026-08-27 02:23 639233940431849026
28 ms 177.136.237.51
8 2026-08-27 02:06 639233930110596398
177 ms 177.136.237.51
7 2026-08-27 01:48 639233919705434540
20 ms 177.136.237.51
6 2026-08-27 01:31 639233909452807845
60 ms 177.136.237.51
5 2026-08-27 01:14 639233899096420820
48 ms 177.136.237.51
4 2026-08-27 00:57 639233888707824939
26 ms 177.136.237.51
3 2026-08-27 00:40 639233878461203802
293 ms 177.136.237.51
2 2026-08-27 00:22 639233868060868209
60 ms 177.136.237.51
1 2026-08-27 00:05 639233857450922991
49 ms 177.136.237.51