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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 161 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

76

Historical checks stored for this nameserver on selected date

Average Latency

161 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:53

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

75

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 2026-08-15 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
76 2026-08-15 23:53 639224347685767174
23 ms 143.137.188.131
75 2026-08-15 23:37 639224338276675277
2022 ms 143.137.188.131
74 2026-08-15 22:45 639224306594546649
15 ms 143.137.188.131
73 2026-08-15 22:29 639224297145423303
53 ms 143.137.188.131
72 2026-08-15 22:13 639224287678238833
72 ms 143.137.188.131
71 2026-08-15 21:58 639224278490872828
32 ms 143.137.188.131
70 2026-08-15 21:42 639224269149307826
50 ms 143.137.188.131
69 2026-08-15 21:27 639224259868597616
82 ms 143.137.188.131
68 2026-08-15 21:11 639224250518642175
210 ms 143.137.188.131
67 2026-08-15 20:56 639224241064772383
63 ms 143.137.188.131
66 2026-08-15 20:40 639224231691099605
82 ms 143.137.188.131
65 2026-08-15 20:25 639224222468168159
43 ms 143.137.188.131
64 2026-08-15 20:09 639224213173899635
15 ms 143.137.188.131
63 2026-08-15 19:54 639224203914451783
37 ms 143.137.188.131
62 2026-08-15 19:01 639224172202542163
37 ms 143.137.188.131
61 2026-08-15 18:46 639224163338654093
23 ms 143.137.188.131
60 2026-08-15 18:31 639224154287995374
35 ms 143.137.188.131
59 2026-08-15 18:16 639224145118612503
38 ms 143.137.188.131
58 2026-08-15 18:01 639224135995990731
42 ms 143.137.188.131
57 2026-08-15 17:46 639224127185332624
22 ms 143.137.188.131
56 2026-08-15 17:31 639224118229289175
4 ms 143.137.188.131
55 2026-08-15 17:16 639224109273796359
23 ms 143.137.188.131
54 2026-08-15 17:01 639224100490805608
39 ms 143.137.188.131
53 2026-08-15 16:46 639224091353714490
32 ms 143.137.188.131
52 2026-08-15 16:31 639224082033126828
43 ms 143.137.188.131
51 2026-08-15 16:15 639224072736962403
394 ms 143.137.188.131
50 2026-08-15 15:23 639224041475563754
288 ms 143.137.188.131
49 2026-08-15 15:08 639224032345604453
43 ms 143.137.188.131
48 2026-08-15 14:52 639224023169497283
18 ms 143.137.188.131
47 2026-08-15 14:37 639224013981146405
381 ms 143.137.188.131
46 2026-08-15 14:22 639224004883412586
22 ms 143.137.188.131
45 2026-08-15 14:07 639223995612880615
5 ms 143.137.188.131
44 2026-08-15 13:51 639223986271830789
36 ms 143.137.188.131
43 2026-08-15 13:36 639223977005780949
2019 ms 143.137.188.131
42 2026-08-15 13:20 639223967653137793
36 ms 143.137.188.131
41 2026-08-15 13:04 639223958286010799
49 ms 143.137.188.131
40 2026-08-15 12:49 639223948936108345
41 ms 143.137.188.131
39 2026-08-15 12:33 639223939673066880
487 ms 143.137.188.131
38 2026-08-15 11:41 639223908317760530
85 ms 143.137.188.131
37 2026-08-15 11:25 639223898992594258
18 ms 143.137.188.131
36 2026-08-15 11:10 639223889761312823
28 ms 143.137.188.131
35 2026-08-15 10:54 639223880359273507
25 ms 143.137.188.131
34 2026-08-15 10:38 639223870920466808
81 ms 143.137.188.131
33 2026-08-15 10:23 639223861579762179
45 ms 143.137.188.131
32 2026-08-15 10:07 639223852238616009
189 ms 143.137.188.131
31 2026-08-15 09:52 639223843019815620
31 ms 143.137.188.131
30 2026-08-15 09:36 639223833669915012
55 ms 143.137.188.131
29 2026-08-15 09:21 639223824494613222
-
28 2026-08-15 09:05 639223815116325293
55 ms 143.137.188.131
27 2026-08-15 08:49 639223805493870221
51 ms 143.137.188.131
26 2026-08-15 07:57 639223774218660438
44 ms 143.137.188.131
25 2026-08-15 07:41 639223764663090372
40 ms 143.137.188.131
24 2026-08-15 07:26 639223755338811400
26 ms 143.137.188.131
23 2026-08-15 07:10 639223746019193268
2026 ms 143.137.188.131
22 2026-08-15 06:55 639223736658778104
316 ms 143.137.188.131
21 2026-08-15 06:39 639223727330194499
32 ms 143.137.188.131
20 2026-08-15 06:23 639223717848514742
56 ms 143.137.188.131
19 2026-08-15 06:07 639223708284754056
41 ms 143.137.188.131
18 2026-08-15 05:52 639223699061259933
214 ms 143.137.188.131
17 2026-08-15 05:36 639223689592545140
362 ms 143.137.188.131
16 2026-08-15 05:20 639223680143410810
45 ms 143.137.188.131
15 2026-08-15 05:04 639223670514517104
56 ms 143.137.188.131
14 2026-08-15 04:12 639223638855054294
180 ms 143.137.188.131
13 2026-08-15 03:56 639223629623335972
57 ms 143.137.188.131
12 2026-08-15 03:41 639223620390189495
43 ms 143.137.188.131
11 2026-08-15 03:25 639223610916950440
36 ms 143.137.188.131
10 2026-08-15 03:10 639223601597759168
62 ms 143.137.188.131
9 2026-08-15 02:54 639223592342172093
28 ms 143.137.188.131
8 2026-08-15 02:39 639223583324121497
74 ms 143.137.188.131
7 2026-08-15 02:24 639223574086714218
42 ms 143.137.188.131
6 2026-08-15 02:08 639223564698424889
58 ms 143.137.188.131
5 2026-08-15 01:53 639223555408664206
51 ms 143.137.188.131
4 2026-08-15 01:37 639223546000912416
75 ms 143.137.188.131
3 2026-08-15 01:21 639223536550774847
329 ms 143.137.188.131
2 2026-08-15 00:29 639223505017205611
84 ms 143.137.188.131
1 2026-08-15 00:13 639223495784410207
49 ms 143.137.188.131