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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 72 successful responses, 2 failed responses, and 272 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

74

Historical checks stored for this nameserver on selected date

Average Latency

272 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:46

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

72

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

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 2026-08-22 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
74 2026-08-22 23:46 639230391807229016
13 ms 143.198.192.121
73 2026-08-22 23:30 639230382051619327
5 ms 143.198.192.121
72 2026-08-22 23:14 639230372323353529
13 ms 143.198.192.121
71 2026-08-22 22:57 639230362586451064
6 ms 143.198.192.121
70 2026-08-22 22:41 639230352793666303
18 ms 143.198.192.121
69 2026-08-22 22:24 639230342775737758
2017 ms 143.198.192.121
68 2026-08-22 22:07 639230332639939561
8 ms 143.198.192.121
67 2026-08-22 21:15 639230301014190104
9 ms 143.198.192.121
66 2026-08-22 20:58 639230291048161498
9 ms 143.198.192.121
65 2026-08-22 20:41 639230280894353664
2028 ms 143.198.192.121
64 2026-08-22 20:24 639230270699419073
23 ms 143.198.192.121
63 2026-08-22 20:07 639230260248163050
8 ms 143.198.192.121
62 2026-08-22 19:50 639230250122494282
24 ms 143.198.192.121
61 2026-08-22 19:33 639230239972935046
19 ms 143.198.192.121
60 2026-08-22 19:16 639230229963262464
14 ms 143.198.192.121
59 2026-08-22 19:00 639230220033804658
-
58 2026-08-22 18:43 639230209891107289
3 ms 143.198.192.121
57 2026-08-22 18:26 639230199630298717
6 ms 143.198.192.121
56 2026-08-22 18:09 639230189301984150
103 ms 143.198.192.121
55 2026-08-22 17:15 639230157138468804
2026 ms 143.198.192.121
54 2026-08-22 16:58 639230146987869495
36 ms 143.198.192.121
53 2026-08-22 16:41 639230136768638516
13 ms 143.198.192.121
52 2026-08-22 16:24 639230126735907877
8 ms 143.198.192.121
51 2026-08-22 16:07 639230116551187768
16 ms 143.198.192.121
50 2026-08-22 15:50 639230106335615913
6 ms 143.198.192.121
49 2026-08-22 15:33 639230096177758176
8 ms 143.198.192.121
48 2026-08-22 15:17 639230086185999993
22 ms 143.198.192.121
47 2026-08-22 15:00 639230076247854903
15 ms 143.198.192.121
46 2026-08-22 14:43 639230066076077530
11 ms 143.198.192.121
45 2026-08-22 14:26 639230055738197328
12 ms 143.198.192.121
44 2026-08-22 14:09 639230045411225521
51 ms 143.198.192.121
43 2026-08-22 13:15 639230013046000470
10 ms 143.198.192.121
42 2026-08-22 12:58 639230003090037878
2026 ms 143.198.192.121
41 2026-08-22 12:41 639229993008259475
9 ms 143.198.192.121
40 2026-08-22 12:25 639229982909449470
24 ms 143.198.192.121
39 2026-08-22 12:08 639229973035502212
4012 ms 143.198.192.121
38 2026-08-22 11:51 639229963064296145
14 ms 143.198.192.121
37 2026-08-22 11:35 639229952996162143
23 ms 143.198.192.121
36 2026-08-22 11:18 639229943051949195
7 ms 143.198.192.121
35 2026-08-22 11:01 639229932919214934
2062 ms 143.198.192.121
34 2026-08-22 10:44 639229922745889838
18 ms 143.198.192.121
33 2026-08-22 10:27 639229912587214796
31 ms 143.198.192.121
32 2026-08-22 10:10 639229902240004454
19 ms 143.198.192.121
31 2026-08-22 09:18 639229870800501662
28 ms 143.198.192.121
30 2026-08-22 09:01 639229861058384956
39 ms 143.198.192.121
29 2026-08-22 08:45 639229851158592604
40 ms 143.198.192.121
28 2026-08-22 08:29 639229841475569629
4 ms 143.198.192.121
27 2026-08-22 08:13 639229831887658471
-
26 2026-08-22 07:56 639229822043670346
16 ms 143.198.192.121
25 2026-08-22 07:40 639229812327913936
32 ms 143.198.192.121
24 2026-08-22 07:24 639229802629488686
7 ms 143.198.192.121
23 2026-08-22 07:08 639229793051447309
38 ms 143.198.192.121
22 2026-08-22 06:52 639229783303531961
21 ms 143.198.192.121
21 2026-08-22 06:35 639229773458051942
47 ms 143.198.192.121
20 2026-08-22 06:19 639229763373848056
26 ms 143.198.192.121
19 2026-08-22 05:27 639229732140622809
6 ms 143.198.192.121
18 2026-08-22 05:11 639229722699695967
40 ms 143.198.192.121
17 2026-08-22 04:55 639229713097498075
17 ms 143.198.192.121
16 2026-08-22 04:39 639229703543969637
41 ms 143.198.192.121
15 2026-08-22 04:23 639229693970392873
4040 ms 143.198.192.121
14 2026-08-22 04:07 639229684277329469
37 ms 143.198.192.121
13 2026-08-22 03:51 639229674501596661
4 ms 143.198.192.121
12 2026-08-22 03:35 639229665064441147
38 ms 143.198.192.121
11 2026-08-22 03:19 639229655507536872
37 ms 143.198.192.121
10 2026-08-22 03:03 639229645849603111
6 ms 143.198.192.121
9 2026-08-22 02:47 639229636090497453
9 ms 143.198.192.121
8 2026-08-22 02:30 639229625978544281
30 ms 143.198.192.121
7 2026-08-22 01:37 639229594644662176
23 ms 143.198.192.121
6 2026-08-22 01:22 639229585214633065
28 ms 143.198.192.121
5 2026-08-22 01:06 639229575581042175
18 ms 143.198.192.121
4 2026-08-22 00:50 639229565912268962
44 ms 143.198.192.121
3 2026-08-22 00:33 639229556237813203
13 ms 143.198.192.121
2 2026-08-22 00:17 639229546625802518
9 ms 143.198.192.121
1 2026-08-22 00:02 639229537172016621
5 ms 143.198.192.121