DNS response history for ns21.blacksolutions.net

ns21.blacksolutions.net 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, 75 successful responses, 0 failed responses, and 278 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 ns21.blacksolutions.net.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

278 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.75.247.44

Most recently resolved hosting IP on selected date

Successful Responses

75

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 ns21.blacksolutions.net

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 23:45 639231254406598736
28 ms 51.75.247.44
74 2026-08-23 23:29 639231244697865594
26 ms 51.75.247.44
73 2026-08-23 23:13 639231234893504693
7 ms 51.75.247.44
72 2026-08-23 22:57 639231225024549139
129 ms 51.75.247.44
71 2026-08-23 22:40 639231214931957622
13 ms 51.75.247.44
70 2026-08-23 22:23 639231204962010549
12 ms 51.75.247.44
69 2026-08-23 22:07 639231195170138463
133 ms 51.75.247.44
68 2026-08-23 21:50 639231185235020577
19 ms 51.75.247.44
67 2026-08-23 21:34 639231175558690075
5 ms 51.75.247.44
66 2026-08-23 21:17 639231165610444012
26 ms 51.75.247.44
65 2026-08-23 20:24 639231133806425363
8 ms 51.75.247.44
64 2026-08-23 20:08 639231124203758023
38 ms 51.75.247.44
63 2026-08-23 19:52 639231114428262706
28 ms 51.75.247.44
62 2026-08-23 19:36 639231104662480065
40 ms 51.75.247.44
61 2026-08-23 19:20 639231094840372018
13 ms 51.75.247.44
60 2026-08-23 19:03 639231085024583224
7 ms 51.75.247.44
59 2026-08-23 18:47 639231075257417427
69 ms 51.75.247.44
58 2026-08-23 18:31 639231065516009503
8 ms 51.75.247.44
57 2026-08-23 18:14 639231055805348837
90 ms 51.75.247.44
56 2026-08-23 17:58 639231045980373765
2049 ms 51.75.247.44
55 2026-08-23 17:41 639231035984577527
12 ms 51.75.247.44
54 2026-08-23 17:25 639231025928115303
33 ms 51.75.247.44
53 2026-08-23 16:32 639230994250157583
9 ms 51.75.247.44
52 2026-08-23 16:16 639230984476411369
8 ms 51.75.247.44
51 2026-08-23 15:59 639230974838373450
4 ms 51.75.247.44
50 2026-08-23 15:43 639230965244277645
29 ms 51.75.247.44
49 2026-08-23 15:27 639230955522101820
7 ms 51.75.247.44
48 2026-08-23 15:11 639230945754521603
17 ms 51.75.247.44
47 2026-08-23 14:55 639230935852040504
31 ms 51.75.247.44
46 2026-08-23 14:38 639230926222061048
2017 ms 51.75.247.44
45 2026-08-23 14:22 639230916449726907
18 ms 51.75.247.44
44 2026-08-23 14:06 639230906595053086
24 ms 51.75.247.44
43 2026-08-23 13:49 639230896680429441
27 ms 51.75.247.44
42 2026-08-23 13:33 639230886630210965
2029 ms 51.75.247.44
41 2026-08-23 12:40 639230855430405719
131 ms 51.75.247.44
40 2026-08-23 12:24 639230845707499136
2020 ms 51.75.247.44
39 2026-08-23 12:08 639230836186805419
38 ms 51.75.247.44
38 2026-08-23 11:52 639230826493828316
8 ms 51.75.247.44
37 2026-08-23 11:36 639230816817882996
111 ms 51.75.247.44
36 2026-08-23 11:20 639230806933854189
24 ms 51.75.247.44
35 2026-08-23 11:03 639230797120243854
18 ms 51.75.247.44
34 2026-08-23 10:47 639230787310272840
6 ms 51.75.247.44
33 2026-08-23 10:31 639230777600173142
45 ms 51.75.247.44
32 2026-08-23 10:14 639230767665024593
2029 ms 51.75.247.44
31 2026-08-23 09:58 639230757720962293
7 ms 51.75.247.44
30 2026-08-23 09:41 639230747722189784
2028 ms 51.75.247.44
29 2026-08-23 08:49 639230716313923480
29 ms 51.75.247.44
28 2026-08-23 08:33 639230706813835990
13 ms 51.75.247.44
27 2026-08-23 08:16 639230696871062203
6 ms 51.75.247.44
26 2026-08-23 08:00 639230687142781616
24 ms 51.75.247.44
25 2026-08-23 07:44 639230677432142227
57 ms 51.75.247.44
24 2026-08-23 07:28 639230667686258061
125 ms 51.75.247.44
23 2026-08-23 07:11 639230658039243685
11 ms 51.75.247.44
22 2026-08-23 06:56 639230648468473803
2018 ms 51.75.247.44
21 2026-08-23 06:39 639230638829658294
39 ms 51.75.247.44
20 2026-08-23 06:23 639230629247017617
126 ms 51.75.247.44
19 2026-08-23 06:07 639230619625318239
6 ms 51.75.247.44
18 2026-08-23 05:51 639230609697630264
4 ms 51.75.247.44
17 2026-08-23 04:59 639230578570131864
2032 ms 51.75.247.44
16 2026-08-23 04:43 639230568958963168
55 ms 51.75.247.44
15 2026-08-23 04:27 639230559287611211
33 ms 51.75.247.44
14 2026-08-23 04:11 639230549524312030
12 ms 51.75.247.44
13 2026-08-23 03:54 639230539739801669
25 ms 51.75.247.44
12 2026-08-23 03:38 639230530084069375
18 ms 51.75.247.44
11 2026-08-23 03:22 639230520362691441
6 ms 51.75.247.44
10 2026-08-23 03:06 639230510677194518
139 ms 51.75.247.44
9 2026-08-23 02:50 639230501156002646
138 ms 51.75.247.44
8 2026-08-23 02:34 639230491502198541
6 ms 51.75.247.44
7 2026-08-23 02:18 639230481860318494
93 ms 51.75.247.44
6 2026-08-23 02:01 639230471893008575
37 ms 51.75.247.44
5 2026-08-23 01:08 639230440030877421
129 ms 51.75.247.44
4 2026-08-23 00:52 639230430479725508
8 ms 51.75.247.44
3 2026-08-23 00:36 639230420875160219
2019 ms 51.75.247.44
2 2026-08-23 00:20 639230411240692575
134 ms 51.75.247.44
1 2026-08-23 00:04 639230401550806607
5 ms 51.75.247.44