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 2026-08-11. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 319 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

77

Historical checks stored for this nameserver on selected date

Average Latency

319 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:55

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

77

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 2026-08-11 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
77 2026-08-11 23:55 639220888396333845
207 ms 23.239.27.53
76 2026-08-11 23:40 639220878864937382
2113 ms 23.239.27.53
75 2026-08-11 22:47 639220847369072314
9 ms 23.239.27.53
74 2026-08-11 22:32 639220838037764925
129 ms 23.239.27.53
73 2026-08-11 22:16 639220828735120634
212 ms 23.239.27.53
72 2026-08-11 22:01 639220819447979766
227 ms 23.239.27.53
71 2026-08-11 21:45 639220810056531741
121 ms 23.239.27.53
70 2026-08-11 21:29 639220800745746593
207 ms 23.239.27.53
69 2026-08-11 21:14 639220791351626349
119 ms 23.239.27.53
68 2026-08-11 20:58 639220782021256610
2118 ms 23.239.27.53
67 2026-08-11 20:43 639220772603347755
104 ms 23.239.27.53
66 2026-08-11 20:27 639220763224057047
138 ms 23.239.27.53
65 2026-08-11 20:11 639220753691117767
223 ms 23.239.27.53
64 2026-08-11 19:55 639220744107836218
171 ms 23.239.27.53
63 2026-08-11 19:02 639220711927629898
230 ms 23.239.27.53
62 2026-08-11 18:46 639220702299437921
200 ms 23.239.27.53
61 2026-08-11 18:29 639220692505468181
106 ms 23.239.27.53
60 2026-08-11 18:13 639220682669911239
121 ms 23.239.27.53
59 2026-08-11 17:57 639220672929841526
102 ms 23.239.27.53
58 2026-08-11 17:41 639220663225662315
207 ms 23.239.27.53
57 2026-08-11 17:25 639220653846255684
201 ms 23.239.27.53
56 2026-08-11 17:09 639220644420909059
104 ms 23.239.27.53
55 2026-08-11 16:54 639220635074970435
106 ms 23.239.27.53
54 2026-08-11 16:38 639220625614385966
102 ms 23.239.27.53
53 2026-08-11 16:22 639220616132212636
8 ms 23.239.27.53
52 2026-08-11 16:06 639220606533651662
125 ms 23.239.27.53
51 2026-08-11 15:13 639220574514514318
4 ms 23.239.27.53
50 2026-08-11 14:57 639220565124823874
6 ms 23.239.27.53
49 2026-08-11 14:41 639220555799311478
4 ms 23.239.27.53
48 2026-08-11 14:26 639220546481577614
149 ms 23.239.27.53
47 2026-08-11 14:10 639220537036533154
448 ms 23.239.27.53
46 2026-08-11 13:54 639220527719177174
206 ms 23.239.27.53
45 2026-08-11 13:39 639220518173088308
1336 ms 23.239.27.53
44 2026-08-11 13:23 639220508902896243
2123 ms 23.239.27.53
43 2026-08-11 13:07 639220499455923005
114 ms 23.239.27.53
42 2026-08-11 12:52 639220490082583768
211 ms 23.239.27.53
41 2026-08-11 12:36 639220480636590998
102 ms 23.239.27.53
40 2026-08-11 12:20 639220469585029273
210 ms 23.239.27.53
39 2026-08-11 11:25 639220438074188884
201 ms 23.239.27.53
38 2026-08-11 11:09 639220428789720049
158 ms 23.239.27.53
37 2026-08-11 10:53 639220419558302820
200 ms 23.239.27.53
36 2026-08-11 10:38 639220410448738795
8 ms 23.239.27.53
35 2026-08-11 10:23 639220401034081530
2113 ms 23.239.27.53
34 2026-08-11 10:07 639220391766674161
3 ms 23.239.27.53
33 2026-08-11 09:52 639220382275807148
53 ms 23.239.27.53
32 2026-08-11 09:36 639220373034162867
223 ms 23.239.27.53
31 2026-08-11 09:21 639220363994971859
2103 ms 23.239.27.53
30 2026-08-11 09:05 639220354563965455
7 ms 23.239.27.53
29 2026-08-11 08:50 639220345437414880
123 ms 23.239.27.53
28 2026-08-11 08:34 639220336024248987
2217 ms 23.239.27.53
27 2026-08-11 07:42 639220304233635692
206 ms 23.239.27.53
26 2026-08-11 07:26 639220294872170960
207 ms 23.239.27.53
25 2026-08-11 07:11 639220285547177980
205 ms 23.239.27.53
24 2026-08-11 06:55 639220276337941315
201 ms 23.239.27.53
23 2026-08-11 06:40 639220267175191677
4 ms 23.239.27.53
22 2026-08-11 06:25 639220257981518924
6 ms 23.239.27.53
21 2026-08-11 06:10 639220249265489070
100 ms 23.239.27.53
20 2026-08-11 05:55 639220240700249205
213 ms 23.239.27.53
19 2026-08-11 05:41 639220231975029986
2018 ms 23.239.27.53
18 2026-08-11 05:27 639220223261176932
124 ms 23.239.27.53
17 2026-08-11 05:12 639220214366718456
4 ms 23.239.27.53
16 2026-08-11 04:57 639220205306334524
208 ms 23.239.27.53
15 2026-08-11 04:06 639220174463175061
3 ms 23.239.27.53
14 2026-08-11 03:51 639220165777190438
4 ms 23.239.27.53
13 2026-08-11 03:37 639220156880374825
3 ms 23.239.27.53
12 2026-08-11 03:22 639220148139986945
200 ms 23.239.27.53
11 2026-08-11 03:07 639220139271074299
102 ms 23.239.27.53
10 2026-08-11 02:53 639220130565901336
3 ms 23.239.27.53
9 2026-08-11 02:38 639220121659980575
3 ms 23.239.27.53
8 2026-08-11 02:23 639220112857650894
210 ms 23.239.27.53
7 2026-08-11 02:08 639220103767686219
113 ms 23.239.27.53
6 2026-08-11 01:53 639220094545970611
5 ms 23.239.27.53
5 2026-08-11 01:37 639220085476091081
201 ms 23.239.27.53
4 2026-08-11 01:22 639220076243751161
206 ms 23.239.27.53
3 2026-08-11 00:32 639220045322845190
5 ms 23.239.27.53
2 2026-08-11 00:17 639220036434132314
2 ms 23.239.27.53
1 2026-08-11 00:02 639220027366289509
4 ms 23.239.27.53