DNS response history for ns1.arootserver.net

ns1.arootserver.net 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 75 DNS check records, 75 successful responses, 0 failed responses, and 342 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 ns1.arootserver.net.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

342 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

116.203.194.252

Most recently resolved hosting IP on selected date

Successful Responses

75

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 ns1.arootserver.net

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
75 2026-08-23 23:53 639231254406598736
108 ms 116.203.194.252
74 2026-08-23 23:36 639231244697865594
136 ms 116.203.194.252
73 2026-08-23 23:20 639231234893504693
126 ms 116.203.194.252
72 2026-08-23 23:03 639231225024549139
124 ms 116.203.194.252
71 2026-08-23 22:47 639231214931957622
132 ms 116.203.194.252
70 2026-08-23 22:30 639231204962010549
7 ms 116.203.194.252
69 2026-08-23 22:14 639231195170138463
31 ms 116.203.194.252
68 2026-08-23 21:57 639231185235020577
46 ms 116.203.194.252
67 2026-08-23 21:41 639231175558690075
1533 ms 116.203.194.252
66 2026-08-23 21:24 639231165610444012
615 ms 116.203.194.252
65 2026-08-23 20:32 639231133806425363
13 ms 116.203.194.252
64 2026-08-23 20:15 639231124203758023
535 ms 116.203.194.252
63 2026-08-23 19:59 639231114428262706
3 ms 116.203.194.252
62 2026-08-23 19:43 639231104662480065
82 ms 116.203.194.252
61 2026-08-23 19:27 639231094840372018
3 ms 116.203.194.252
60 2026-08-23 19:10 639231085024583224
2159 ms 116.203.194.252
59 2026-08-23 18:54 639231075257417427
123 ms 116.203.194.252
58 2026-08-23 18:38 639231065516009503
76 ms 116.203.194.252
57 2026-08-23 18:22 639231055805348837
5 ms 116.203.194.252
56 2026-08-23 18:05 639231045980373765
3 ms 116.203.194.252
55 2026-08-23 17:49 639231035984577527
123 ms 116.203.194.252
54 2026-08-23 17:32 639231025928115303
2014 ms 116.203.194.252
53 2026-08-23 16:39 639230994250157583
35 ms 116.203.194.252
52 2026-08-23 16:23 639230984476411369
15 ms 116.203.194.252
51 2026-08-23 16:07 639230974838373450
5 ms 116.203.194.252
50 2026-08-23 15:51 639230965244277645
5 ms 116.203.194.252
49 2026-08-23 15:34 639230955522101820
139 ms 116.203.194.252
48 2026-08-23 15:18 639230945754521603
133 ms 116.203.194.252
47 2026-08-23 15:02 639230935852040504
4 ms 116.203.194.252
46 2026-08-23 14:45 639230926222061048
514 ms 116.203.194.252
45 2026-08-23 14:29 639230916449726907
4 ms 116.203.194.252
44 2026-08-23 14:13 639230906595053086
121 ms 116.203.194.252
43 2026-08-23 13:56 639230896680429441
70 ms 116.203.194.252
42 2026-08-23 13:40 639230886630210965
139 ms 116.203.194.252
41 2026-08-23 12:48 639230855430405719
13 ms 116.203.194.252
40 2026-08-23 12:31 639230845707499136
27 ms 116.203.194.252
39 2026-08-23 12:15 639230836186805419
20 ms 116.203.194.252
38 2026-08-23 11:59 639230826493828316
261 ms 116.203.194.252
37 2026-08-23 11:43 639230816817882996
69 ms 116.203.194.252
36 2026-08-23 11:27 639230806933854189
124 ms 116.203.194.252
35 2026-08-23 11:10 639230797120243854
140 ms 116.203.194.252
34 2026-08-23 10:54 639230787310272840
1615 ms 116.203.194.252
33 2026-08-23 10:38 639230777600173142
27 ms 116.203.194.252
32 2026-08-23 10:21 639230767665024593
124 ms 116.203.194.252
31 2026-08-23 10:05 639230757720962293
62 ms 116.203.194.252
30 2026-08-23 09:48 639230747722189784
945 ms 116.203.194.252
29 2026-08-23 08:56 639230716313923480
124 ms 116.203.194.252
28 2026-08-23 08:40 639230706813835990
50 ms 116.203.194.252
27 2026-08-23 08:24 639230696871062203
122 ms 116.203.194.252
26 2026-08-23 08:07 639230687142781616
7 ms 116.203.194.252
25 2026-08-23 07:51 639230677432142227
137 ms 116.203.194.252
24 2026-08-23 07:35 639230667686258061
121 ms 116.203.194.252
23 2026-08-23 07:19 639230658039243685
7 ms 116.203.194.252
22 2026-08-23 07:02 639230648468473803
141 ms 116.203.194.252
21 2026-08-23 06:46 639230638829658294
2017 ms 116.203.194.252
20 2026-08-23 06:30 639230629247017617
10 ms 116.203.194.252
19 2026-08-23 06:14 639230619625318239
131 ms 116.203.194.252
18 2026-08-23 05:58 639230609697630264
8 ms 116.203.194.252
17 2026-08-23 05:06 639230578570131864
345 ms 116.203.194.252
16 2026-08-23 04:50 639230568958963168
4888 ms 116.203.194.252
15 2026-08-23 04:34 639230559287611211
2010 ms 116.203.194.252
14 2026-08-23 04:18 639230549524312030
130 ms 116.203.194.252
13 2026-08-23 04:02 639230539739801669
4 ms 116.203.194.252
12 2026-08-23 03:45 639230530084069375
158 ms 116.203.194.252
11 2026-08-23 03:29 639230520362691441
3 ms 116.203.194.252
10 2026-08-23 03:13 639230510677194518
7 ms 116.203.194.252
9 2026-08-23 02:57 639230501156002646
12 ms 116.203.194.252
8 2026-08-23 02:41 639230491502198541
138 ms 116.203.194.252
7 2026-08-23 02:25 639230481860318494
144 ms 116.203.194.252
6 2026-08-23 02:08 639230471893008575
123 ms 116.203.194.252
5 2026-08-23 01:15 639230440030877421
15 ms 116.203.194.252
4 2026-08-23 00:59 639230430479725508
127 ms 116.203.194.252
3 2026-08-23 00:43 639230420875160219
8 ms 116.203.194.252
2 2026-08-23 00:27 639230411240692575
2012 ms 116.203.194.252
1 2026-08-23 00:11 639230401550806607
7 ms 116.203.194.252