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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 352 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

62

Historical checks stored for this nameserver on selected date

Average Latency

352 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:56

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

62

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 2026-08-12 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
62 2026-08-12 23:56 639221753022017039
202 ms 23.239.27.53
61 2026-08-12 23:41 639221744107644868
120 ms 23.239.27.53
60 2026-08-12 23:26 639221735030187244
2113 ms 23.239.27.53
59 2026-08-12 23:11 639221725815508109
3 ms 23.239.27.53
58 2026-08-12 22:20 639221694790955973
119 ms 23.239.27.53
57 2026-08-12 22:05 639221685562451720
198 ms 23.239.27.53
56 2026-08-12 21:49 639221676023655289
222 ms 23.239.27.53
55 2026-08-12 21:33 639221666449119409
142 ms 23.239.27.53
54 2026-08-12 20:41 639221635456432556
147 ms 23.239.27.53
53 2026-08-12 20:26 639221626313054202
100 ms 23.239.27.53
52 2026-08-12 20:10 639221617091958857
206 ms 23.239.27.53
51 2026-08-12 19:55 639221607786737151
200 ms 23.239.27.53
50 2026-08-12 19:03 639221576664330059
3 ms 23.239.27.53
49 2026-08-12 18:48 639221567514216674
201 ms 23.239.27.53
48 2026-08-12 18:32 639221558399762524
105 ms 23.239.27.53
47 2026-08-12 18:17 639221549052016282
202 ms 23.239.27.53
46 2026-08-12 17:25 639221517673834934
121 ms 23.239.27.53
45 2026-08-12 17:09 639221508282311633
119 ms 23.239.27.53
44 2026-08-12 16:54 639221498786324983
234 ms 23.239.27.53
43 2026-08-12 16:38 639221489157589737
3 ms 23.239.27.53
42 2026-08-12 15:45 639221457655914645
233 ms 23.239.27.53
41 2026-08-12 15:29 639221448164090526
259 ms 23.239.27.53
40 2026-08-12 15:13 639221438725783630
204 ms 23.239.27.53
39 2026-08-12 14:57 639221429178071087
208 ms 23.239.27.53
38 2026-08-12 14:05 639221397761278719
203 ms 23.239.27.53
37 2026-08-12 13:49 639221388200567278
202 ms 23.239.27.53
36 2026-08-12 13:33 639221378483570949
111 ms 23.239.27.53
35 2026-08-12 13:17 639221368872360139
203 ms 23.239.27.53
34 2026-08-12 12:24 639221337226647415
2035 ms 23.239.27.53
33 2026-08-12 12:08 639221327924087446
111 ms 23.239.27.53
32 2026-08-12 11:52 639221318096976375
218 ms 23.239.27.53
31 2026-08-12 11:36 639221308343145274
113 ms 23.239.27.53
30 2026-08-12 10:44 639221277089610470
2115 ms 23.239.27.53
29 2026-08-12 10:28 639221267628136359
102 ms 23.239.27.53
28 2026-08-12 10:12 639221257907569952
102 ms 23.239.27.53
27 2026-08-12 09:56 639221248402420965
203 ms 23.239.27.53
26 2026-08-12 09:03 639221216797540533
104 ms 23.239.27.53
25 2026-08-12 08:48 639221207385792352
205 ms 23.239.27.53
24 2026-08-12 08:32 639221198078534844
221 ms 23.239.27.53
23 2026-08-12 08:16 639221188677585577
201 ms 23.239.27.53
22 2026-08-12 07:24 639221157276484143
99 ms 23.239.27.53
21 2026-08-12 07:08 639221147876262183
204 ms 23.239.27.53
20 2026-08-12 06:52 639221138388812469
4234 ms 23.239.27.53
19 2026-08-12 06:37 639221128987381118
217 ms 23.239.27.53
18 2026-08-12 05:45 639221097816416095
222 ms 23.239.27.53
17 2026-08-12 05:29 639221088508065616
202 ms 23.239.27.53
16 2026-08-12 05:14 639221079092308503
111 ms 23.239.27.53
15 2026-08-12 04:58 639221069595873597
200 ms 23.239.27.53
14 2026-08-12 04:06 639221038601577496
101 ms 23.239.27.53
13 2026-08-12 03:51 639221029533901299
211 ms 23.239.27.53
12 2026-08-12 03:35 639221020333828965
122 ms 23.239.27.53
11 2026-08-12 03:20 639221011110510484
101 ms 23.239.27.53
10 2026-08-12 02:28 639220979815209769
128 ms 23.239.27.53
9 2026-08-12 02:13 639220970971410921
282 ms 23.239.27.53
8 2026-08-12 01:58 639220961848982361
214 ms 23.239.27.53
7 2026-08-12 01:43 639220952784591501
198 ms 23.239.27.53
6 2026-08-12 01:28 639220943893596731
2028 ms 23.239.27.53
5 2026-08-12 01:13 639220934954704520
104 ms 23.239.27.53
4 2026-08-12 00:58 639220925792457751
121 ms 23.239.27.53
3 2026-08-12 00:42 639220916610063538
201 ms 23.239.27.53
2 2026-08-12 00:27 639220907229361754
201 ms 23.239.27.53
1 2026-08-12 00:11 639220897896762127
208 ms 23.239.27.53