DNS response history for ns421.ntkhost.com

ns421.ntkhost.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 72 DNS check records, 72 successful responses, 0 failed responses, and 248 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 ns421.ntkhost.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

248 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 22:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

78.157.42.215

Most recently resolved hosting IP on selected date

Successful Responses

72

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 ns421.ntkhost.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
72 2026-08-23 22:57 639231225024549139
34 ms 78.157.42.215
71 2026-08-23 22:40 639231214931957622
48 ms 78.157.42.215
70 2026-08-23 22:24 639231204962010549
2019 ms 78.157.42.215
69 2026-08-23 22:07 639231195170138463
3 ms 78.157.42.215
68 2026-08-23 21:51 639231185235020577
5 ms 78.157.42.215
67 2026-08-23 21:35 639231175558690075
46 ms 78.157.42.215
66 2026-08-23 21:18 639231165610444012
33 ms 78.157.42.215
65 2026-08-23 20:25 639231133806425363
54 ms 78.157.42.215
64 2026-08-23 20:09 639231124203758023
35 ms 78.157.42.215
63 2026-08-23 19:53 639231114428262706
35 ms 78.157.42.215
62 2026-08-23 19:37 639231104662480065
23 ms 78.157.42.215
61 2026-08-23 19:20 639231094840372018
37 ms 78.157.42.215
60 2026-08-23 19:04 639231085024583224
8 ms 78.157.42.215
59 2026-08-23 18:48 639231075257417427
8 ms 78.157.42.215
58 2026-08-23 18:31 639231065516009503
76 ms 78.157.42.215
57 2026-08-23 18:15 639231055805348837
24 ms 78.157.42.215
56 2026-08-23 17:59 639231045980373765
49 ms 78.157.42.215
55 2026-08-23 17:42 639231035984577527
30 ms 78.157.42.215
54 2026-08-23 17:25 639231025928115303
2030 ms 78.157.42.215
53 2026-08-23 16:33 639230994250157583
31 ms 78.157.42.215
52 2026-08-23 16:16 639230984476411369
25 ms 78.157.42.215
51 2026-08-23 16:00 639230974838373450
5 ms 78.157.42.215
50 2026-08-23 15:44 639230965244277645
25 ms 78.157.42.215
49 2026-08-23 15:28 639230955522101820
42 ms 78.157.42.215
48 2026-08-23 15:12 639230945754521603
40 ms 78.157.42.215
47 2026-08-23 14:55 639230935852040504
2015 ms 78.157.42.215
46 2026-08-23 14:39 639230926222061048
6 ms 78.157.42.215
45 2026-08-23 14:23 639230916449726907
9 ms 78.157.42.215
44 2026-08-23 14:07 639230906595053086
2 ms 78.157.42.215
43 2026-08-23 13:50 639230896680429441
3 ms 78.157.42.215
42 2026-08-23 13:33 639230886630210965
4 ms 78.157.42.215
41 2026-08-23 12:41 639230855430405719
50 ms 78.157.42.215
40 2026-08-23 12:25 639230845707499136
31 ms 78.157.42.215
39 2026-08-23 12:09 639230836186805419
18 ms 78.157.42.215
38 2026-08-23 11:53 639230826493828316
6 ms 78.157.42.215
37 2026-08-23 11:37 639230816817882996
27 ms 78.157.42.215
36 2026-08-23 11:20 639230806933854189
3 ms 78.157.42.215
35 2026-08-23 11:04 639230797120243854
22 ms 78.157.42.215
34 2026-08-23 10:48 639230787310272840
8 ms 78.157.42.215
33 2026-08-23 10:32 639230777600173142
6 ms 78.157.42.215
32 2026-08-23 10:15 639230767665024593
2037 ms 78.157.42.215
31 2026-08-23 09:58 639230757720962293
2024 ms 78.157.42.215
30 2026-08-23 09:42 639230747722189784
42 ms 78.157.42.215
29 2026-08-23 08:49 639230716313923480
15 ms 78.157.42.215
28 2026-08-23 08:34 639230706813835990
24 ms 78.157.42.215
27 2026-08-23 08:17 639230696871062203
2018 ms 78.157.42.215
26 2026-08-23 08:01 639230687142781616
51 ms 78.157.42.215
25 2026-08-23 07:45 639230677432142227
64 ms 78.157.42.215
24 2026-08-23 07:28 639230667686258061
25 ms 78.157.42.215
23 2026-08-23 07:12 639230658039243685
50 ms 78.157.42.215
22 2026-08-23 06:56 639230648468473803
63 ms 78.157.42.215
21 2026-08-23 06:40 639230638829658294
9 ms 78.157.42.215
20 2026-08-23 06:24 639230629247017617
9 ms 78.157.42.215
19 2026-08-23 06:08 639230619625318239
7 ms 78.157.42.215
18 2026-08-23 05:52 639230609697630264
15 ms 78.157.42.215
17 2026-08-23 05:00 639230578570131864
26 ms 78.157.42.215
16 2026-08-23 04:44 639230568958963168
7 ms 78.157.42.215
15 2026-08-23 04:28 639230559287611211
12 ms 78.157.42.215
14 2026-08-23 04:12 639230549524312030
4030 ms 78.157.42.215
13 2026-08-23 03:55 639230539739801669
35 ms 78.157.42.215
12 2026-08-23 03:39 639230530084069375
33 ms 78.157.42.215
11 2026-08-23 03:23 639230520362691441
36 ms 78.157.42.215
10 2026-08-23 03:07 639230510677194518
4 ms 78.157.42.215
9 2026-08-23 02:51 639230501156002646
3 ms 78.157.42.215
8 2026-08-23 02:35 639230491502198541
4 ms 78.157.42.215
7 2026-08-23 02:19 639230481860318494
7 ms 78.157.42.215
6 2026-08-23 02:02 639230471893008575
9 ms 78.157.42.215
5 2026-08-23 01:09 639230440030877421
37 ms 78.157.42.215
4 2026-08-23 00:53 639230430479725508
35 ms 78.157.42.215
3 2026-08-23 00:37 639230420875160219
20 ms 78.157.42.215
2 2026-08-23 00:21 639230411240692575
62 ms 78.157.42.215
1 2026-08-23 00:05 639230401550806607
72 ms 78.157.42.215