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 2026-08-24. For this date, NameServerHistory found 55 DNS check records, 55 successful responses, 0 failed responses, and 82 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

55

Historical checks stored for this nameserver on selected date

Average Latency

82 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:43

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

55

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 2026-08-24 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
55 2026-08-24 23:43 639232109112567473
203 ms 23.239.27.53
54 2026-08-24 22:49 639232077430823987
210 ms 23.239.27.53
53 2026-08-24 22:33 639232067340513033
102 ms 23.239.27.53
52 2026-08-24 22:16 639232057157944387
100 ms 23.239.27.53
51 2026-08-24 21:59 639232046895282144
104 ms 23.239.27.53
50 2026-08-24 21:05 639232014356623395
101 ms 23.239.27.53
49 2026-08-24 20:48 639232004177831322
107 ms 23.239.27.53
48 2026-08-24 20:31 639231993997863976
137 ms 23.239.27.53
47 2026-08-24 20:14 639231983967363696
103 ms 23.239.27.53
46 2026-08-24 19:21 639231952257842845
4 ms 23.239.27.53
45 2026-08-24 19:04 639231942277816756
4 ms 23.239.27.53
44 2026-08-24 18:47 639231932094180724
217 ms 23.239.27.53
43 2026-08-24 18:30 639231922041034838
4 ms 23.239.27.53
42 2026-08-24 17:38 639231890488117536
124 ms 23.239.27.53
41 2026-08-24 17:21 639231880574255543
12 ms 23.239.27.53
40 2026-08-24 17:05 639231870418029045
3 ms 23.239.27.53
39 2026-08-24 16:48 639231860258429562
207 ms 23.239.27.53
38 2026-08-24 15:54 639231828211839931
3 ms 23.239.27.53
37 2026-08-24 15:37 639231818080917481
106 ms 23.239.27.53
36 2026-08-24 15:20 639231807961539652
204 ms 23.239.27.53
35 2026-08-24 15:03 639231797631669865
203 ms 23.239.27.53
34 2026-08-24 14:10 639231765923559455
102 ms 23.239.27.53
33 2026-08-24 13:54 639231755868832964
24 ms 23.239.27.53
32 2026-08-24 13:37 639231745628278877
103 ms 23.239.27.53
31 2026-08-24 13:19 639231735407682062
211 ms 23.239.27.53
30 2026-08-24 12:27 639231703815441688
5 ms 23.239.27.53
29 2026-08-24 12:10 639231693747052549
5 ms 23.239.27.53
28 2026-08-24 11:53 639231683712487276
5 ms 23.239.27.53
27 2026-08-24 11:36 639231673513573868
103 ms 23.239.27.53
26 2026-08-24 10:43 639231641791249939
111 ms 23.239.27.53
25 2026-08-24 10:27 639231631866211033
225 ms 23.239.27.53
24 2026-08-24 10:10 639231621644955316
4 ms 23.239.27.53
23 2026-08-24 09:53 639231611478799259
102 ms 23.239.27.53
22 2026-08-24 09:00 639231579923718211
5 ms 23.239.27.53
21 2026-08-24 08:44 639231569810702936
34 ms 23.239.27.53
20 2026-08-24 08:27 639231559762411619
104 ms 23.239.27.53
19 2026-08-24 08:10 639231549663595407
108 ms 23.239.27.53
18 2026-08-24 07:17 639231518076817246
3 ms 23.239.27.53
17 2026-08-24 07:01 639231508078650885
4 ms 23.239.27.53
16 2026-08-24 06:44 639231498210697093
108 ms 23.239.27.53
15 2026-08-24 06:27 639231488109699360
107 ms 23.239.27.53
14 2026-08-24 05:35 639231456772510692
110 ms 23.239.27.53
13 2026-08-24 05:19 639231447084631185
32 ms 23.239.27.53
12 2026-08-24 05:02 639231437208519473
3 ms 23.239.27.53
11 2026-08-24 04:46 639231427209627490
100 ms 23.239.27.53
10 2026-08-24 03:53 639231395791246644
3 ms 23.239.27.53
9 2026-08-24 03:37 639231386075551458
124 ms 23.239.27.53
8 2026-08-24 03:21 639231376208713791
204 ms 23.239.27.53
7 2026-08-24 03:04 639231366170589276
2 ms 23.239.27.53
6 2026-08-24 02:12 639231334732159368
3 ms 23.239.27.53
5 2026-08-24 01:55 639231325035670078
3 ms 23.239.27.53
4 2026-08-24 01:39 639231315132253837
4 ms 23.239.27.53
3 2026-08-24 01:22 639231305014280808
204 ms 23.239.27.53
2 2026-08-24 00:30 639231273779380675
4 ms 23.239.27.53
1 2026-08-24 00:14 639231264180839154
4 ms 23.239.27.53