DNS response history for nsb.defaultserverdns.com

nsb.defaultserverdns.com 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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 159 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 nsb.defaultserverdns.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

159 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

143.198.192.121

Most recently resolved hosting IP on selected date

Successful Responses

74

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 nsb.defaultserverdns.com

Showing DNS history for 2026-08-23 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
75 2026-08-23 23:44 639231254406598736
33 ms 143.198.192.121
74 2026-08-23 23:27 639231244697865594
5 ms 143.198.192.121
73 2026-08-23 23:11 639231234893504693
8 ms 143.198.192.121
72 2026-08-23 22:55 639231225024549139
10 ms 143.198.192.121
71 2026-08-23 22:38 639231214931957622
7 ms 143.198.192.121
70 2026-08-23 22:21 639231204962010549
5 ms 143.198.192.121
69 2026-08-23 22:05 639231195170138463
28 ms 143.198.192.121
68 2026-08-23 21:48 639231185235020577
61 ms 143.198.192.121
67 2026-08-23 21:32 639231175558690075
5 ms 143.198.192.121
66 2026-08-23 21:16 639231165610444012
6 ms 143.198.192.121
65 2026-08-23 20:23 639231133806425363
36 ms 143.198.192.121
64 2026-08-23 20:07 639231124203758023
5 ms 143.198.192.121
63 2026-08-23 19:50 639231114428262706
53 ms 143.198.192.121
62 2026-08-23 19:34 639231104662480065
8 ms 143.198.192.121
61 2026-08-23 19:18 639231094840372018
13 ms 143.198.192.121
60 2026-08-23 19:01 639231085024583224
92 ms 143.198.192.121
59 2026-08-23 18:45 639231075257417427
39 ms 143.198.192.121
58 2026-08-23 18:29 639231065516009503
50 ms 143.198.192.121
57 2026-08-23 18:13 639231055805348837
4 ms 143.198.192.121
56 2026-08-23 17:56 639231045980373765
47 ms 143.198.192.121
55 2026-08-23 17:40 639231035984577527
12 ms 143.198.192.121
54 2026-08-23 17:23 639231025928115303
7 ms 143.198.192.121
53 2026-08-23 16:30 639230994250157583
11 ms 143.198.192.121
52 2026-08-23 16:14 639230984476411369
63 ms 143.198.192.121
51 2026-08-23 15:58 639230974838373450
15 ms 143.198.192.121
50 2026-08-23 15:42 639230965244277645
8 ms 143.198.192.121
49 2026-08-23 15:26 639230955522101820
56 ms 143.198.192.121
48 2026-08-23 15:09 639230945754521603
54 ms 143.198.192.121
47 2026-08-23 14:53 639230935852040504
9 ms 143.198.192.121
46 2026-08-23 14:37 639230926222061048
8 ms 143.198.192.121
45 2026-08-23 14:20 639230916449726907
25 ms 143.198.192.121
44 2026-08-23 14:04 639230906595053086
12 ms 143.198.192.121
43 2026-08-23 13:47 639230896680429441
5 ms 143.198.192.121
42 2026-08-23 13:31 639230886630210965
38 ms 143.198.192.121
41 2026-08-23 12:39 639230855430405719
25 ms 143.198.192.121
40 2026-08-23 12:23 639230845707499136
90 ms 143.198.192.121
39 2026-08-23 12:07 639230836186805419
7 ms 143.198.192.121
38 2026-08-23 11:51 639230826493828316
48 ms 143.198.192.121
37 2026-08-23 11:34 639230816817882996
33 ms 143.198.192.121
36 2026-08-23 11:18 639230806933854189
6 ms 143.198.192.121
35 2026-08-23 11:02 639230797120243854
63 ms 143.198.192.121
34 2026-08-23 10:45 639230787310272840
39 ms 143.198.192.121
33 2026-08-23 10:29 639230777600173142
6 ms 143.198.192.121
32 2026-08-23 10:12 639230767665024593
2010 ms 143.198.192.121
31 2026-08-23 09:56 639230757720962293
6 ms 143.198.192.121
30 2026-08-23 09:39 639230747722189784
2019 ms 143.198.192.121
29 2026-08-23 08:47 639230716313923480
37 ms 143.198.192.121
28 2026-08-23 08:31 639230706813835990
11 ms 143.198.192.121
27 2026-08-23 08:14 639230696871062203
25 ms 143.198.192.121
26 2026-08-23 07:58 639230687142781616
5 ms 143.198.192.121
25 2026-08-23 07:42 639230677432142227
2047 ms 143.198.192.121
24 2026-08-23 07:26 639230667686258061
5 ms 143.198.192.121
23 2026-08-23 07:10 639230658039243685
40 ms 143.198.192.121
22 2026-08-23 06:54 639230648468473803
25 ms 143.198.192.121
21 2026-08-23 06:38 639230638829658294
14 ms 143.198.192.121
20 2026-08-23 06:22 639230629247017617
2024 ms 143.198.192.121
19 2026-08-23 06:06 639230619625318239
9 ms 143.198.192.121
18 2026-08-23 05:49 639230609697630264
51 ms 143.198.192.121
17 2026-08-23 04:57 639230578570131864
7 ms 143.198.192.121
16 2026-08-23 04:41 639230568958963168
61 ms 143.198.192.121
15 2026-08-23 04:25 639230559287611211
29 ms 143.198.192.121
14 2026-08-23 04:09 639230549524312030
33 ms 143.198.192.121
13 2026-08-23 03:53 639230539739801669
14 ms 143.198.192.121
12 2026-08-23 03:37 639230530084069375
2016 ms 143.198.192.121
11 2026-08-23 03:20 639230520362691441
16 ms 143.198.192.121
10 2026-08-23 03:04 639230510677194518
9 ms 143.198.192.121
9 2026-08-23 02:48 639230501156002646
6 ms 143.198.192.121
8 2026-08-23 02:32 639230491502198541
4 ms 143.198.192.121
7 2026-08-23 02:16 639230481860318494
34 ms 143.198.192.121
6 2026-08-23 02:00 639230471893008575
-
5 2026-08-23 01:06 639230440030877421
40 ms 143.198.192.121
4 2026-08-23 00:50 639230430479725508
19 ms 143.198.192.121
3 2026-08-23 00:34 639230420875160219
9 ms 143.198.192.121
2 2026-08-23 00:18 639230411240692575
4 ms 143.198.192.121
1 2026-08-23 00:02 639230401550806607
5 ms 143.198.192.121