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 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 423 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

70

Historical checks stored for this nameserver on selected date

Average Latency

423 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:45

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

70

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 2026-08-26 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
70 2026-08-26 23:45 639233846871926285
369 ms 199.7.91.13
69 2026-08-26 22:51 639233814527872887
10 ms 199.7.91.13
68 2026-08-26 22:34 639233804315489381
5 ms 199.7.91.13
67 2026-08-26 22:16 639233793971346256
36 ms 199.7.91.13
66 2026-08-26 21:59 639233783644630463
3 ms 199.7.91.13
65 2026-08-26 21:42 639233773302621314
17 ms 199.7.91.13
64 2026-08-26 21:25 639233762896723748
49 ms 199.7.91.13
63 2026-08-26 21:07 639233752543876329
4 ms 199.7.91.13
62 2026-08-26 20:50 639233742155931788
2024 ms 199.7.91.13
61 2026-08-26 20:33 639233731712555311
6 ms 199.7.91.13
60 2026-08-26 20:15 639233721164051126
5 ms 199.7.91.13
59 2026-08-26 19:57 639233710560486320
8 ms 199.7.91.13
58 2026-08-26 19:39 639233699834667450
11 ms 199.7.91.13
57 2026-08-26 18:45 639233667209186136
3 ms 199.7.91.13
56 2026-08-26 18:28 639233656814316266
2042 ms 199.7.91.13
55 2026-08-26 18:10 639233646245051806
3 ms 199.7.91.13
54 2026-08-26 17:52 639233635663779051
9 ms 199.7.91.13
53 2026-08-26 17:35 639233624977342122
44 ms 199.7.91.13
52 2026-08-26 17:17 639233614446136153
22 ms 199.7.91.13
51 2026-08-26 16:59 639233603737877581
3 ms 199.7.91.13
50 2026-08-26 16:42 639233593269224651
2011 ms 199.7.91.13
49 2026-08-26 16:24 639233582635086903
4013 ms 199.7.91.13
48 2026-08-26 16:06 639233572000374575
40 ms 199.7.91.13
47 2026-08-26 15:48 639233561188633861
2040 ms 199.7.91.13
46 2026-08-26 15:31 639233550544357027
3 ms 199.7.91.13
45 2026-08-26 14:36 639233517966053117
5 ms 199.7.91.13
44 2026-08-26 14:19 639233507603253585
2031 ms 199.7.91.13
43 2026-08-26 14:02 639233497229039167
3 ms 199.7.91.13
42 2026-08-26 13:45 639233486864546406
2048 ms 199.7.91.13
41 2026-08-26 13:27 639233476455174682
4 ms 199.7.91.13
40 2026-08-26 13:10 639233466171592605
15 ms 199.7.91.13
39 2026-08-26 12:53 639233455747096265
3 ms 199.7.91.13
38 2026-08-26 12:35 639233445367152284
4 ms 199.7.91.13
37 2026-08-26 12:18 639233434974187439
12 ms 199.7.91.13
36 2026-08-26 12:01 639233424567558554
28 ms 199.7.91.13
35 2026-08-26 11:43 639233414056832719
2023 ms 199.7.91.13
34 2026-08-26 11:26 639233403515141099
3 ms 199.7.91.13
33 2026-08-26 10:31 639233370841350248
8 ms 199.7.91.13
32 2026-08-26 10:14 639233360361507238
8 ms 199.7.91.13
31 2026-08-26 09:57 639233350067824371
14 ms 199.7.91.13
30 2026-08-26 09:39 639233339545274518
4020 ms 199.7.91.13
29 2026-08-26 09:22 639233329214918079
45 ms 199.7.91.13
28 2026-08-26 09:04 639233318749762337
25 ms 199.7.91.13
27 2026-08-26 08:47 639233308387917838
24 ms 199.7.91.13
26 2026-08-26 08:30 639233297961740122
2006 ms 199.7.91.13
25 2026-08-26 08:12 639233287487159094
14 ms 199.7.91.13
24 2026-08-26 07:55 639233276995531707
15 ms 199.7.91.13
23 2026-08-26 07:37 639233266521568229
35 ms 199.7.91.13
22 2026-08-26 07:20 639233256081047431
10 ms 199.7.91.13
21 2026-08-26 06:26 639233223620132921
11 ms 199.7.91.13
20 2026-08-26 06:09 639233213287814244
14 ms 199.7.91.13
19 2026-08-26 05:51 639233202925983161
30 ms 199.7.91.13
18 2026-08-26 05:34 639233192644780696
2015 ms 199.7.91.13
17 2026-08-26 05:17 639233182401183833
2034 ms 199.7.91.13
16 2026-08-26 05:00 639233172074181051
49 ms 199.7.91.13
15 2026-08-26 04:43 639233161808421455
3 ms 199.7.91.13
14 2026-08-26 04:25 639233151357344052
3 ms 199.7.91.13
13 2026-08-26 04:08 639233141034116946
2 ms 199.7.91.13
12 2026-08-26 03:51 639233130828334142
26 ms 199.7.91.13
11 2026-08-26 03:34 639233120373450007
16 ms 199.7.91.13
10 2026-08-26 03:17 639233110066216193
43 ms 199.7.91.13
9 2026-08-26 02:23 639233078065410564
54 ms 199.7.91.13
8 2026-08-26 02:06 639233067787457832
3 ms 199.7.91.13
7 2026-08-26 01:49 639233057501801162
14 ms 199.7.91.13
6 2026-08-26 01:32 639233047089431703
4 ms 199.7.91.13
5 2026-08-26 01:14 639233036754790688
34 ms 199.7.91.13
4 2026-08-26 00:57 639233026412602472
46 ms 199.7.91.13
3 2026-08-26 00:40 639233016064066127
3 ms 199.7.91.13
2 2026-08-26 00:23 639233005922655772
18 ms 199.7.91.13
1 2026-08-26 00:06 639232995672256907
33 ms 199.7.91.13