DNS response history for ns1.ctb-es.org.br

ns1.ctb-es.org.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 2026-08-26. For this date, NameServerHistory found 69 DNS check records, 69 successful responses, 0 failed responses, and 419 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 ns1.ctb-es.org.br.
Records on Selected Date

69

Historical checks stored for this nameserver on selected date

Average Latency

419 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 22:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

186.202.190.91

Most recently resolved hosting IP on selected date

Successful Responses

69

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 ns1.ctb-es.org.br

Showing DNS history for 2026-08-26 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
69 2026-08-26 22:47 639233804315489381
390 ms 186.202.190.91
68 2026-08-26 22:30 639233793971346256
406 ms 186.202.190.91
67 2026-08-26 22:13 639233783644630463
399 ms 186.202.190.91
66 2026-08-26 21:55 639233773302621314
365 ms 186.202.190.91
65 2026-08-26 21:38 639233762896723748
378 ms 186.202.190.91
64 2026-08-26 21:21 639233752543876329
381 ms 186.202.190.91
63 2026-08-26 21:04 639233742155931788
406 ms 186.202.190.91
62 2026-08-26 20:46 639233731712555311
399 ms 186.202.190.91
61 2026-08-26 20:29 639233721164051126
189 ms 186.202.190.91
60 2026-08-26 20:11 639233710560486320
197 ms 186.202.190.91
59 2026-08-26 19:53 639233699834667450
396 ms 186.202.190.91
58 2026-08-26 18:59 639233667209186136
186 ms 186.202.190.91
57 2026-08-26 18:41 639233656814316266
187 ms 186.202.190.91
56 2026-08-26 18:24 639233646245051806
384 ms 186.202.190.91
55 2026-08-26 18:06 639233635663779051
401 ms 186.202.190.91
54 2026-08-26 17:49 639233624977342122
186 ms 186.202.190.91
53 2026-08-26 17:31 639233614446136153
10 ms 186.202.190.91
52 2026-08-26 17:13 639233603737877581
192 ms 186.202.190.91
51 2026-08-26 16:55 639233593269224651
195 ms 186.202.190.91
50 2026-08-26 16:38 639233582635086903
393 ms 186.202.190.91
49 2026-08-26 16:20 639233572000374575
619 ms 186.202.190.91
48 2026-08-26 16:02 639233561188633861
204 ms 186.202.190.91
47 2026-08-26 15:44 639233550544357027
397 ms 186.202.190.91
46 2026-08-26 14:50 639233517966053117
413 ms 186.202.190.91
45 2026-08-26 14:33 639233507603253585
380 ms 186.202.190.91
44 2026-08-26 14:15 639233497229039167
398 ms 186.202.190.91
43 2026-08-26 13:58 639233486864546406
196 ms 186.202.190.91
42 2026-08-26 13:41 639233476455174682
202 ms 186.202.190.91
41 2026-08-26 13:23 639233466171592605
393 ms 186.202.190.91
40 2026-08-26 13:06 639233455747096265
4230 ms 186.202.190.91
39 2026-08-26 12:49 639233445367152284
422 ms 186.202.190.91
38 2026-08-26 12:32 639233434974187439
191 ms 186.202.190.91
37 2026-08-26 12:14 639233424567558554
416 ms 186.202.190.91
36 2026-08-26 11:57 639233414056832719
379 ms 186.202.190.91
35 2026-08-26 11:39 639233403515141099
192 ms 186.202.190.91
34 2026-08-26 10:44 639233370841350248
191 ms 186.202.190.91
33 2026-08-26 10:27 639233360361507238
189 ms 186.202.190.91
32 2026-08-26 10:10 639233350067824371
718 ms 186.202.190.91
31 2026-08-26 09:53 639233339545274518
389 ms 186.202.190.91
30 2026-08-26 09:35 639233329214918079
196 ms 186.202.190.91
29 2026-08-26 09:18 639233318749762337
398 ms 186.202.190.91
28 2026-08-26 09:00 639233308387917838
195 ms 186.202.190.91
27 2026-08-26 08:43 639233297961740122
372 ms 186.202.190.91
26 2026-08-26 08:26 639233287487159094
383 ms 186.202.190.91
25 2026-08-26 08:08 639233276995531707
207 ms 186.202.190.91
24 2026-08-26 07:51 639233266521568229
937 ms 186.202.190.91
23 2026-08-26 07:33 639233256081047431
399 ms 186.202.190.91
22 2026-08-26 06:39 639233223620132921
201 ms 186.202.190.91
21 2026-08-26 06:22 639233213287814244
384 ms 186.202.190.91
20 2026-08-26 06:05 639233202925983161
199 ms 186.202.190.91
19 2026-08-26 05:47 639233192644780696
381 ms 186.202.190.91
18 2026-08-26 05:30 639233182401183833
397 ms 186.202.190.91
17 2026-08-26 05:13 639233172074181051
209 ms 186.202.190.91
16 2026-08-26 04:56 639233161808421455
401 ms 186.202.190.91
15 2026-08-26 04:39 639233151357344052
182 ms 186.202.190.91
14 2026-08-26 04:21 639233141034116946
393 ms 186.202.190.91
13 2026-08-26 04:04 639233130828334142
180 ms 186.202.190.91
12 2026-08-26 03:47 639233120373450007
188 ms 186.202.190.91
11 2026-08-26 03:30 639233110066216193
182 ms 186.202.190.91
10 2026-08-26 02:37 639233078065410564
388 ms 186.202.190.91
9 2026-08-26 02:19 639233067787457832
378 ms 186.202.190.91
8 2026-08-26 02:02 639233057501801162
422 ms 186.202.190.91
7 2026-08-26 01:45 639233047089431703
423 ms 186.202.190.91
6 2026-08-26 01:28 639233036754790688
419 ms 186.202.190.91
5 2026-08-26 01:11 639233026412602472
2300 ms 186.202.190.91
4 2026-08-26 00:53 639233016064066127
410 ms 186.202.190.91
3 2026-08-26 00:36 639233005922655772
411 ms 186.202.190.91
2 2026-08-26 00:19 639232995672256907
381 ms 186.202.190.91
1 2026-08-26 00:02 639232985300872416
404 ms 186.202.190.91