DNS response history for ns401.rootservercloud.com

ns401.rootservercloud.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 76 DNS check records, 76 successful responses, 0 failed responses, and 139 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 ns401.rootservercloud.com.
Records on Selected Date

76

Historical checks stored for this nameserver on selected date

Average Latency

139 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

23.239.27.53

Most recently resolved hosting IP on selected date

Successful Responses

76

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 ns401.rootservercloud.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
76 2026-08-23 23:58 639231254406598736
204 ms 23.239.27.53
75 2026-08-23 23:41 639231244697865594
3 ms 23.239.27.53
74 2026-08-23 23:25 639231234893504693
3 ms 23.239.27.53
73 2026-08-23 23:08 639231225024549139
199 ms 23.239.27.53
72 2026-08-23 22:52 639231214931957622
4 ms 23.239.27.53
71 2026-08-23 22:35 639231204962010549
103 ms 23.239.27.53
70 2026-08-23 22:19 639231195170138463
2125 ms 23.239.27.53
69 2026-08-23 22:02 639231185235020577
2 ms 23.239.27.53
68 2026-08-23 21:46 639231175558690075
3 ms 23.239.27.53
67 2026-08-23 21:30 639231165610444012
100 ms 23.239.27.53
66 2026-08-23 20:37 639231133806425363
201 ms 23.239.27.53
65 2026-08-23 20:20 639231124203758023
4 ms 23.239.27.53
64 2026-08-23 20:04 639231114428262706
4 ms 23.239.27.53
63 2026-08-23 19:48 639231104662480065
3 ms 23.239.27.53
62 2026-08-23 19:32 639231094840372018
6 ms 23.239.27.53
61 2026-08-23 19:15 639231085024583224
4 ms 23.239.27.53
60 2026-08-23 18:59 639231075257417427
3 ms 23.239.27.53
59 2026-08-23 18:43 639231065516009503
4 ms 23.239.27.53
58 2026-08-23 18:26 639231055805348837
7 ms 23.239.27.53
57 2026-08-23 18:10 639231045980373765
103 ms 23.239.27.53
56 2026-08-23 17:54 639231035984577527
104 ms 23.239.27.53
55 2026-08-23 17:37 639231025928115303
206 ms 23.239.27.53
54 2026-08-23 16:44 639230994250157583
6 ms 23.239.27.53
53 2026-08-23 16:28 639230984476411369
209 ms 23.239.27.53
52 2026-08-23 16:11 639230974838373450
4 ms 23.239.27.53
51 2026-08-23 15:55 639230965244277645
3 ms 23.239.27.53
50 2026-08-23 15:39 639230955522101820
128 ms 23.239.27.53
49 2026-08-23 15:23 639230945754521603
2 ms 23.239.27.53
48 2026-08-23 15:07 639230935852040504
3 ms 23.239.27.53
47 2026-08-23 14:50 639230926222061048
4 ms 23.239.27.53
46 2026-08-23 14:34 639230916449726907
137 ms 23.239.27.53
45 2026-08-23 14:18 639230906595053086
2004 ms 23.239.27.53
44 2026-08-23 14:01 639230896680429441
202 ms 23.239.27.53
43 2026-08-23 13:45 639230886630210965
102 ms 23.239.27.53
42 2026-08-23 12:53 639230855430405719
5 ms 23.239.27.53
41 2026-08-23 12:36 639230845707499136
9 ms 23.239.27.53
40 2026-08-23 12:20 639230836186805419
2213 ms 23.239.27.53
39 2026-08-23 12:04 639230826493828316
3 ms 23.239.27.53
38 2026-08-23 11:48 639230816817882996
3 ms 23.239.27.53
37 2026-08-23 11:32 639230806933854189
10 ms 23.239.27.53
36 2026-08-23 11:15 639230797120243854
2 ms 23.239.27.53
35 2026-08-23 10:59 639230787310272840
3 ms 23.239.27.53
34 2026-08-23 10:43 639230777600173142
3 ms 23.239.27.53
33 2026-08-23 10:27 639230767665024593
5 ms 23.239.27.53
32 2026-08-23 10:10 639230757720962293
211 ms 23.239.27.53
31 2026-08-23 09:53 639230747722189784
104 ms 23.239.27.53
30 2026-08-23 09:01 639230716313923480
4 ms 23.239.27.53
29 2026-08-23 08:45 639230706813835990
11 ms 23.239.27.53
28 2026-08-23 08:29 639230696871062203
26 ms 23.239.27.53
27 2026-08-23 08:12 639230687142781616
9 ms 23.239.27.53
26 2026-08-23 07:56 639230677432142227
202 ms 23.239.27.53
25 2026-08-23 07:40 639230667686258061
7 ms 23.239.27.53
24 2026-08-23 07:24 639230658039243685
4 ms 23.239.27.53
23 2026-08-23 07:07 639230648468473803
3 ms 23.239.27.53
22 2026-08-23 06:51 639230638829658294
207 ms 23.239.27.53
21 2026-08-23 06:35 639230629247017617
201 ms 23.239.27.53
20 2026-08-23 06:19 639230619625318239
203 ms 23.239.27.53
19 2026-08-23 06:03 639230609697630264
113 ms 23.239.27.53
18 2026-08-23 05:11 639230578570131864
3 ms 23.239.27.53
17 2026-08-23 04:55 639230568958963168
2 ms 23.239.27.53
16 2026-08-23 04:39 639230559287611211
3 ms 23.239.27.53
15 2026-08-23 04:23 639230549524312030
4 ms 23.239.27.53
14 2026-08-23 04:07 639230539739801669
3 ms 23.239.27.53
13 2026-08-23 03:50 639230530084069375
3 ms 23.239.27.53
12 2026-08-23 03:34 639230520362691441
102 ms 23.239.27.53
11 2026-08-23 03:18 639230510677194518
3 ms 23.239.27.53
10 2026-08-23 03:02 639230501156002646
102 ms 23.239.27.53
9 2026-08-23 02:46 639230491502198541
172 ms 23.239.27.53
8 2026-08-23 02:30 639230481860318494
202 ms 23.239.27.53
7 2026-08-23 02:13 639230471893008575
3 ms 23.239.27.53
6 2026-08-23 01:20 639230440030877421
2 ms 23.239.27.53
5 2026-08-23 01:04 639230430479725508
111 ms 23.239.27.53
4 2026-08-23 00:48 639230420875160219
4 ms 23.239.27.53
3 2026-08-23 00:32 639230411240692575
3 ms 23.239.27.53
2 2026-08-23 00:16 639230401550806607
3 ms 23.239.27.53
1 2026-08-23 00:00 639230391807229016
105 ms 23.239.27.53