DNS response history for ns2.nih.gov

ns2.nih.gov 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, 74 successful responses, 1 failed responses, and 276 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 ns2.nih.gov.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

276 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

128.231.64.1

Most recently resolved hosting IP on selected date

Successful Responses

74

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.nih.gov

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 23:47 639231254406598736
46 ms 128.231.64.1
74 2026-08-23 23:31 639231244697865594
13 ms 128.231.64.1
73 2026-08-23 23:15 639231234893504693
8 ms 128.231.64.1
72 2026-08-23 22:58 639231225024549139
109 ms 128.231.64.1
71 2026-08-23 22:41 639231214931957622
23 ms 128.231.64.1
70 2026-08-23 22:25 639231204962010549
177 ms 128.231.64.1
69 2026-08-23 22:08 639231195170138463
10 ms 128.231.64.1
68 2026-08-23 21:52 639231185235020577
4 ms 128.231.64.1
67 2026-08-23 21:36 639231175558690075
108 ms 128.231.64.1
66 2026-08-23 21:19 639231165610444012
22 ms 128.231.64.1
65 2026-08-23 20:26 639231133806425363
30 ms 128.231.64.1
64 2026-08-23 20:10 639231124203758023
21 ms 128.231.64.1
63 2026-08-23 19:54 639231114428262706
118 ms 128.231.64.1
62 2026-08-23 19:37 639231104662480065
8 ms 128.231.64.1
61 2026-08-23 19:21 639231094840372018
15 ms 128.231.64.1
60 2026-08-23 19:05 639231085024583224
933 ms 128.231.64.1
59 2026-08-23 18:48 639231075257417427
48 ms 128.231.64.1
58 2026-08-23 18:32 639231065516009503
112 ms 128.231.64.1
57 2026-08-23 18:16 639231055805348837
33 ms 128.231.64.1
56 2026-08-23 18:00 639231045980373765
49 ms 128.231.64.1
55 2026-08-23 17:43 639231035984577527
132 ms 128.231.64.1
54 2026-08-23 17:26 639231025928115303
116 ms 128.231.64.1
53 2026-08-23 16:34 639230994250157583
2024 ms 128.231.64.1
52 2026-08-23 16:17 639230984476411369
4 ms 128.231.64.1
51 2026-08-23 16:01 639230974838373450
8 ms 128.231.64.1
50 2026-08-23 15:45 639230965244277645
9 ms 128.231.64.1
49 2026-08-23 15:29 639230955522101820
8 ms 128.231.64.1
48 2026-08-23 15:13 639230945754521603
26 ms 128.231.64.1
47 2026-08-23 14:56 639230935852040504
11 ms 128.231.64.1
46 2026-08-23 14:40 639230926222061048
158 ms 128.231.64.1
45 2026-08-23 14:24 639230916449726907
4 ms 128.231.64.1
44 2026-08-23 14:07 639230906595053086
3 ms 128.231.64.1
43 2026-08-23 13:51 639230896680429441
123 ms 128.231.64.1
42 2026-08-23 13:34 639230886630210965
108 ms 128.231.64.1
41 2026-08-23 12:42 639230855430405719
66 ms 128.231.64.1
40 2026-08-23 12:26 639230845707499136
4 ms 128.231.64.1
39 2026-08-23 12:10 639230836186805419
2030 ms 128.231.64.1
38 2026-08-23 11:54 639230826493828316
2028 ms 128.231.64.1
37 2026-08-23 11:38 639230816817882996
106 ms 128.231.64.1
36 2026-08-23 11:21 639230806933854189
-
35 2026-08-23 11:05 639230797120243854
134 ms 128.231.64.1
34 2026-08-23 10:49 639230787310272840
128 ms 128.231.64.1
33 2026-08-23 10:32 639230777600173142
37 ms 128.231.64.1
32 2026-08-23 10:16 639230767665024593
115 ms 128.231.64.1
31 2026-08-23 09:59 639230757720962293
40 ms 128.231.64.1
30 2026-08-23 09:43 639230747722189784
64 ms 128.231.64.1
29 2026-08-23 08:50 639230716313923480
2011 ms 128.231.64.1
28 2026-08-23 08:34 639230706813835990
5 ms 128.231.64.1
27 2026-08-23 08:18 639230696871062203
35 ms 128.231.64.1
26 2026-08-23 08:02 639230687142781616
19 ms 128.231.64.1
25 2026-08-23 07:45 639230677432142227
6 ms 128.231.64.1
24 2026-08-23 07:29 639230667686258061
22 ms 128.231.64.1
23 2026-08-23 07:13 639230658039243685
7 ms 128.231.64.1
22 2026-08-23 06:57 639230648468473803
3 ms 128.231.64.1
21 2026-08-23 06:41 639230638829658294
15 ms 128.231.64.1
20 2026-08-23 06:25 639230629247017617
67 ms 128.231.64.1
19 2026-08-23 06:09 639230619625318239
3 ms 128.231.64.1
18 2026-08-23 05:53 639230609697630264
4 ms 128.231.64.1
17 2026-08-23 05:01 639230578570131864
25 ms 128.231.64.1
16 2026-08-23 04:45 639230568958963168
2134 ms 128.231.64.1
15 2026-08-23 04:29 639230559287611211
18 ms 128.231.64.1
14 2026-08-23 04:12 639230549524312030
38 ms 128.231.64.1
13 2026-08-23 03:56 639230539739801669
2012 ms 128.231.64.1
12 2026-08-23 03:40 639230530084069375
36 ms 128.231.64.1
11 2026-08-23 03:24 639230520362691441
8 ms 128.231.64.1
10 2026-08-23 03:08 639230510677194518
9 ms 128.231.64.1
9 2026-08-23 02:52 639230501156002646
2017 ms 128.231.64.1
8 2026-08-23 02:36 639230491502198541
7 ms 128.231.64.1
7 2026-08-23 02:19 639230481860318494
2357 ms 128.231.64.1
6 2026-08-23 02:03 639230471893008575
8 ms 128.231.64.1
5 2026-08-23 01:10 639230440030877421
33 ms 128.231.64.1
4 2026-08-23 00:54 639230430479725508
32 ms 128.231.64.1
3 2026-08-23 00:38 639230420875160219
35 ms 128.231.64.1
2 2026-08-23 00:22 639230411240692575
16 ms 128.231.64.1
1 2026-08-23 00:06 639230401550806607
42 ms 128.231.64.1