DNS response history for d.root-servers.net

d.root-servers.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 123 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 d.root-servers.net.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

123 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

199.7.91.13

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 d.root-servers.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 23:44 639231254406598736
7 ms 199.7.91.13
74 2026-08-23 23:28 639231244697865594
5 ms 199.7.91.13
73 2026-08-23 23:11 639231234893504693
9 ms 199.7.91.13
72 2026-08-23 22:55 639231225024549139
4 ms 199.7.91.13
71 2026-08-23 22:38 639231214931957622
52 ms 199.7.91.13
70 2026-08-23 22:21 639231204962010549
13 ms 199.7.91.13
69 2026-08-23 22:05 639231195170138463
5 ms 199.7.91.13
68 2026-08-23 21:48 639231185235020577
12 ms 199.7.91.13
67 2026-08-23 21:32 639231175558690075
7 ms 199.7.91.13
66 2026-08-23 21:16 639231165610444012
38 ms 199.7.91.13
65 2026-08-23 20:23 639231133806425363
39 ms 199.7.91.13
64 2026-08-23 20:07 639231124203758023
9 ms 199.7.91.13
63 2026-08-23 19:50 639231114428262706
2071 ms 199.7.91.13
62 2026-08-23 19:34 639231104662480065
7 ms 199.7.91.13
61 2026-08-23 19:18 639231094840372018
5 ms 199.7.91.13
60 2026-08-23 19:01 639231085024583224
35 ms 199.7.91.13
59 2026-08-23 18:45 639231075257417427
3 ms 199.7.91.13
58 2026-08-23 18:29 639231065516009503
36 ms 199.7.91.13
57 2026-08-23 18:13 639231055805348837
2 ms 199.7.91.13
56 2026-08-23 17:56 639231045980373765
3 ms 199.7.91.13
55 2026-08-23 17:40 639231035984577527
30 ms 199.7.91.13
54 2026-08-23 17:23 639231025928115303
9 ms 199.7.91.13
53 2026-08-23 16:30 639230994250157583
7 ms 199.7.91.13
52 2026-08-23 16:14 639230984476411369
4 ms 199.7.91.13
51 2026-08-23 15:58 639230974838373450
28 ms 199.7.91.13
50 2026-08-23 15:42 639230965244277645
4 ms 199.7.91.13
49 2026-08-23 15:26 639230955522101820
6 ms 199.7.91.13
48 2026-08-23 15:09 639230945754521603
24 ms 199.7.91.13
47 2026-08-23 14:53 639230935852040504
47 ms 199.7.91.13
46 2026-08-23 14:37 639230926222061048
4 ms 199.7.91.13
45 2026-08-23 14:20 639230916449726907
6 ms 199.7.91.13
44 2026-08-23 14:04 639230906595053086
5 ms 199.7.91.13
43 2026-08-23 13:48 639230896680429441
7 ms 199.7.91.13
42 2026-08-23 13:31 639230886630210965
4 ms 199.7.91.13
41 2026-08-23 12:39 639230855430405719
47 ms 199.7.91.13
40 2026-08-23 12:23 639230845707499136
14 ms 199.7.91.13
39 2026-08-23 12:07 639230836186805419
35 ms 199.7.91.13
38 2026-08-23 11:51 639230826493828316
5 ms 199.7.91.13
37 2026-08-23 11:34 639230816817882996
8 ms 199.7.91.13
36 2026-08-23 11:18 639230806933854189
3 ms 199.7.91.13
35 2026-08-23 11:02 639230797120243854
19 ms 199.7.91.13
34 2026-08-23 10:45 639230787310272840
31 ms 199.7.91.13
33 2026-08-23 10:29 639230777600173142
24 ms 199.7.91.13
32 2026-08-23 10:12 639230767665024593
3 ms 199.7.91.13
31 2026-08-23 09:56 639230757720962293
34 ms 199.7.91.13
30 2026-08-23 09:39 639230747722189784
4 ms 199.7.91.13
29 2026-08-23 08:47 639230716313923480
41 ms 199.7.91.13
28 2026-08-23 08:31 639230706813835990
8 ms 199.7.91.13
27 2026-08-23 08:15 639230696871062203
3 ms 199.7.91.13
26 2026-08-23 07:58 639230687142781616
6 ms 199.7.91.13
25 2026-08-23 07:42 639230677432142227
27 ms 199.7.91.13
24 2026-08-23 07:26 639230667686258061
26 ms 199.7.91.13
23 2026-08-23 07:10 639230658039243685
61 ms 199.7.91.13
22 2026-08-23 06:54 639230648468473803
19 ms 199.7.91.13
21 2026-08-23 06:38 639230638829658294
7 ms 199.7.91.13
20 2026-08-23 06:22 639230629247017617
9 ms 199.7.91.13
19 2026-08-23 06:06 639230619625318239
3 ms 199.7.91.13
18 2026-08-23 05:49 639230609697630264
45 ms 199.7.91.13
17 2026-08-23 04:57 639230578570131864
30 ms 199.7.91.13
16 2026-08-23 04:41 639230568958963168
2013 ms 199.7.91.13
15 2026-08-23 04:25 639230559287611211
12 ms 199.7.91.13
14 2026-08-23 04:09 639230549524312030
4 ms 199.7.91.13
13 2026-08-23 03:53 639230539739801669
2 ms 199.7.91.13
12 2026-08-23 03:37 639230530084069375
5 ms 199.7.91.13
11 2026-08-23 03:20 639230520362691441
4 ms 199.7.91.13
10 2026-08-23 03:04 639230510677194518
18 ms 199.7.91.13
9 2026-08-23 02:48 639230501156002646
33 ms 199.7.91.13
8 2026-08-23 02:32 639230491502198541
3 ms 199.7.91.13
7 2026-08-23 02:16 639230481860318494
8 ms 199.7.91.13
6 2026-08-23 02:00 639230471893008575
6 ms 199.7.91.13
5 2026-08-23 01:06 639230440030877421
3 ms 199.7.91.13
4 2026-08-23 00:51 639230430479725508
6 ms 199.7.91.13
3 2026-08-23 00:35 639230420875160219
4045 ms 199.7.91.13
2 2026-08-23 00:18 639230411240692575
2 ms 199.7.91.13
1 2026-08-23 00:02 639230401550806607
39 ms 199.7.91.13