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 2026-08-22. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 88 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

73

Historical checks stored for this nameserver on selected date

Average Latency

88 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:44

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

73

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 2026-08-22 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
73 2026-08-22 23:44 639230382051619327
4 ms 23.239.27.53
72 2026-08-22 23:27 639230372323353529
3 ms 23.239.27.53
71 2026-08-22 23:11 639230362586451064
3 ms 23.239.27.53
70 2026-08-22 22:55 639230352793666303
2 ms 23.239.27.53
69 2026-08-22 22:38 639230342775737758
205 ms 23.239.27.53
68 2026-08-22 22:22 639230332639939561
3 ms 23.239.27.53
67 2026-08-22 21:29 639230301014190104
102 ms 23.239.27.53
66 2026-08-22 21:12 639230291048161498
105 ms 23.239.27.53
65 2026-08-22 20:55 639230280894353664
4 ms 23.239.27.53
64 2026-08-22 20:38 639230270699419073
4 ms 23.239.27.53
63 2026-08-22 20:21 639230260248163050
100 ms 23.239.27.53
62 2026-08-22 20:04 639230250122494282
3 ms 23.239.27.53
61 2026-08-22 19:47 639230239972935046
101 ms 23.239.27.53
60 2026-08-22 19:30 639230229963262464
102 ms 23.239.27.53
59 2026-08-22 19:14 639230220033804658
202 ms 23.239.27.53
58 2026-08-22 18:57 639230209891107289
204 ms 23.239.27.53
57 2026-08-22 18:40 639230199630298717
215 ms 23.239.27.53
56 2026-08-22 18:23 639230189301984150
167 ms 23.239.27.53
55 2026-08-22 17:29 639230157138468804
101 ms 23.239.27.53
54 2026-08-22 17:12 639230146987869495
107 ms 23.239.27.53
53 2026-08-22 16:55 639230136768638516
233 ms 23.239.27.53
52 2026-08-22 16:38 639230126735907877
100 ms 23.239.27.53
51 2026-08-22 16:21 639230116551187768
4 ms 23.239.27.53
50 2026-08-22 16:04 639230106335615913
5 ms 23.239.27.53
49 2026-08-22 15:47 639230096177758176
4 ms 23.239.27.53
48 2026-08-22 15:31 639230086185999993
124 ms 23.239.27.53
47 2026-08-22 15:14 639230076247854903
3 ms 23.239.27.53
46 2026-08-22 14:57 639230066076077530
4 ms 23.239.27.53
45 2026-08-22 14:40 639230055738197328
104 ms 23.239.27.53
44 2026-08-22 14:23 639230045411225521
208 ms 23.239.27.53
43 2026-08-22 13:29 639230013046000470
201 ms 23.239.27.53
42 2026-08-22 13:12 639230003090037878
103 ms 23.239.27.53
41 2026-08-22 12:55 639229993008259475
205 ms 23.239.27.53
40 2026-08-22 12:39 639229982909449470
102 ms 23.239.27.53
39 2026-08-22 12:22 639229973035502212
118 ms 23.239.27.53
38 2026-08-22 12:05 639229963064296145
102 ms 23.239.27.53
37 2026-08-22 11:49 639229952996162143
100 ms 23.239.27.53
36 2026-08-22 11:32 639229943051949195
102 ms 23.239.27.53
35 2026-08-22 11:15 639229932919214934
5 ms 23.239.27.53
34 2026-08-22 10:58 639229922745889838
102 ms 23.239.27.53
33 2026-08-22 10:41 639229912587214796
208 ms 23.239.27.53
32 2026-08-22 10:24 639229902240004454
209 ms 23.239.27.53
31 2026-08-22 09:32 639229870800501662
114 ms 23.239.27.53
30 2026-08-22 09:15 639229861058384956
209 ms 23.239.27.53
29 2026-08-22 08:59 639229851158592604
3 ms 23.239.27.53
28 2026-08-22 08:43 639229841475569629
3 ms 23.239.27.53
27 2026-08-22 08:26 639229831887658471
3 ms 23.239.27.53
26 2026-08-22 08:10 639229822043670346
110 ms 23.239.27.53
25 2026-08-22 07:54 639229812327913936
102 ms 23.239.27.53
24 2026-08-22 07:38 639229802629488686
116 ms 23.239.27.53
23 2026-08-22 07:22 639229793051447309
2 ms 23.239.27.53
22 2026-08-22 07:06 639229783303531961
4 ms 23.239.27.53
21 2026-08-22 06:49 639229773458051942
3 ms 23.239.27.53
20 2026-08-22 06:33 639229763373848056
3 ms 23.239.27.53
19 2026-08-22 05:40 639229732140622809
203 ms 23.239.27.53
18 2026-08-22 05:24 639229722699695967
4 ms 23.239.27.53
17 2026-08-22 05:09 639229713097498075
3 ms 23.239.27.53
16 2026-08-22 04:53 639229703543969637
3 ms 23.239.27.53
15 2026-08-22 04:37 639229693970392873
209 ms 23.239.27.53
14 2026-08-22 04:21 639229684277329469
113 ms 23.239.27.53
13 2026-08-22 04:04 639229674501596661
205 ms 23.239.27.53
12 2026-08-22 03:48 639229665064441147
2 ms 23.239.27.53
11 2026-08-22 03:32 639229655507536872
201 ms 23.239.27.53
10 2026-08-22 03:16 639229645849603111
3 ms 23.239.27.53
9 2026-08-22 03:00 639229636090497453
7 ms 23.239.27.53
8 2026-08-22 02:44 639229625978544281
3 ms 23.239.27.53
7 2026-08-22 01:51 639229594644662176
2 ms 23.239.27.53
6 2026-08-22 01:35 639229585214633065
117 ms 23.239.27.53
5 2026-08-22 01:19 639229575581042175
201 ms 23.239.27.53
4 2026-08-22 01:03 639229565912268962
206 ms 23.239.27.53
3 2026-08-22 00:47 639229556237813203
201 ms 23.239.27.53
2 2026-08-22 00:31 639229546625802518
3 ms 23.239.27.53
1 2026-08-22 00:15 639229537172016621
2 ms 23.239.27.53