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 2026-08-10. For this date, NameServerHistory found 82 DNS check records, 81 successful responses, 1 failed responses, and 175 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

82

Historical checks stored for this nameserver on selected date

Average Latency

175 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:53

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

81

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 d.root-servers.net

Showing DNS history for 2026-08-10 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
82 2026-08-10 23:53 639220027366289509
5 ms 199.7.91.13
81 2026-08-10 23:37 639220018272941900
2 ms 199.7.91.13
80 2026-08-10 23:22 639220009109892969
84 ms 199.7.91.13
79 2026-08-10 23:07 639220000040489788
3 ms 199.7.91.13
78 2026-08-10 22:52 639219991197135747
41 ms 199.7.91.13
77 2026-08-10 22:37 639219982104540014
2 ms 199.7.91.13
76 2026-08-10 22:22 639219973150300215
12 ms 199.7.91.13
75 2026-08-10 22:07 639219964188486697
2021 ms 199.7.91.13
74 2026-08-10 21:52 639219954995921784
5 ms 199.7.91.13
73 2026-08-10 21:36 639219945559908104
2019 ms 199.7.91.13
72 2026-08-10 20:44 639219914137782273
3 ms 199.7.91.13
71 2026-08-10 20:28 639219904858355064
49 ms 199.7.91.13
70 2026-08-10 20:13 639219895655263396
37 ms 199.7.91.13
69 2026-08-10 19:58 639219886527091074
2042 ms 199.7.91.13
68 2026-08-10 19:43 639219877343266628
44 ms 199.7.91.13
67 2026-08-10 19:27 639219868177358195
56 ms 199.7.91.13
66 2026-08-10 19:12 639219859159581515
39 ms 199.7.91.13
65 2026-08-10 18:57 639219850124020182
12 ms 199.7.91.13
64 2026-08-10 18:42 639219840940124840
7 ms 199.7.91.13
63 2026-08-10 18:27 639219831829876486
22 ms 199.7.91.13
62 2026-08-10 18:11 639219822587759143
6 ms 199.7.91.13
61 2026-08-10 17:56 639219813247114428
10 ms 199.7.91.13
60 2026-08-10 17:04 639219781959606396
22 ms 199.7.91.13
59 2026-08-10 16:48 639219772658305431
4 ms 199.7.91.13
58 2026-08-10 16:33 639219763454523027
2011 ms 199.7.91.13
57 2026-08-10 16:18 639219754279127815
15 ms 199.7.91.13
56 2026-08-10 16:02 639219745087467767
21 ms 199.7.91.13
55 2026-08-10 15:47 639219735900678107
8 ms 199.7.91.13
54 2026-08-10 15:31 639219726531461979
4 ms 199.7.91.13
53 2026-08-10 15:16 639219717415222156
17 ms 199.7.91.13
52 2026-08-10 15:01 639219708266470863
49 ms 199.7.91.13
51 2026-08-10 14:46 639219699049479559
50 ms 199.7.91.13
50 2026-08-10 14:30 639219689775815194
17 ms 199.7.91.13
49 2026-08-10 14:15 639219680511810632
9 ms 199.7.91.13
48 2026-08-10 13:23 639219648997191257
32 ms 199.7.91.13
47 2026-08-10 13:07 639219639938909436
9 ms 199.7.91.13
46 2026-08-10 12:52 639219630718286441
21 ms 199.7.91.13
45 2026-08-10 12:37 639219621472350410
17 ms 199.7.91.13
44 2026-08-10 12:22 639219612500421992
4 ms 199.7.91.13
43 2026-08-10 12:07 639219603383833445
110 ms 199.7.91.13
42 2026-08-10 11:51 639219594143823358
34 ms 199.7.91.13
41 2026-08-10 11:36 639219585053166024
2 ms 199.7.91.13
40 2026-08-10 11:21 639219575885776644
5 ms 199.7.91.13
39 2026-08-10 11:06 639219566844532361
8 ms 199.7.91.13
38 2026-08-10 10:50 639219557705808294
26 ms 199.7.91.13
37 2026-08-10 10:35 639219548482688649
15 ms 199.7.91.13
36 2026-08-10 09:44 639219517492763539
3 ms 199.7.91.13
35 2026-08-10 09:29 639219508755773605
48 ms 199.7.91.13
34 2026-08-10 09:15 639219499852103863
26 ms 199.7.91.13
33 2026-08-10 09:00 639219490893714387
3 ms 199.7.91.13
32 2026-08-10 08:45 639219482299305521
3 ms 199.7.91.13
31 2026-08-10 08:31 639219473613114853
28 ms 199.7.91.13
30 2026-08-10 08:17 639219465061138643
9 ms 199.7.91.13
29 2026-08-10 08:02 639219456616129015
8 ms 199.7.91.13
28 2026-08-10 07:48 639219447974008557
8 ms 199.7.91.13
27 2026-08-10 07:34 639219439498255213
46 ms 199.7.91.13
26 2026-08-10 07:19 639219430664872256
4 ms 199.7.91.13
25 2026-08-10 07:05 639219421757560037
7 ms 199.7.91.13
24 2026-08-10 06:13 639219390773218684
3 ms 199.7.91.13
23 2026-08-10 05:58 639219382205367722
11 ms 199.7.91.13
22 2026-08-10 05:44 639219373711937615
23 ms 199.7.91.13
21 2026-08-10 05:30 639219365088558404
41 ms 199.7.91.13
20 2026-08-10 05:15 639219356348833255
2013 ms 199.7.91.13
19 2026-08-10 05:01 639219347860053478
26 ms 199.7.91.13
18 2026-08-10 04:47 639219339173195121
34 ms 199.7.91.13
17 2026-08-10 04:32 639219330642664669
2026 ms 199.7.91.13
16 2026-08-10 04:18 639219322058698995
19 ms 199.7.91.13
15 2026-08-10 04:04 639219313564344199
9 ms 199.7.91.13
14 2026-08-10 03:49 639219304775113236
39 ms 199.7.91.13
13 2026-08-10 03:34 639219295706181119
37 ms 199.7.91.13
12 2026-08-10 02:41 639219264663923254
51 ms 199.7.91.13
11 2026-08-10 02:27 639219256015178099
44 ms 199.7.91.13
10 2026-08-10 02:13 639219247509540188
177 ms 199.7.91.13
9 2026-08-10 01:59 639219238999539092
24 ms 199.7.91.13
8 2026-08-10 01:44 639219230498823902
21 ms 199.7.91.13
7 2026-08-10 01:30 639219221706460911
9 ms 199.7.91.13
6 2026-08-10 01:15 639219212930606887
97 ms 199.7.91.13
5 2026-08-10 01:01 639219204307908525
46 ms 199.7.91.13
4 2026-08-10 00:47 639219195720181470
-
3 2026-08-10 00:32 639219186898174002
17 ms 199.7.91.13
2 2026-08-10 00:17 639219178004946976
43 ms 199.7.91.13
1 2026-08-10 00:02 639219168958805474
109 ms 199.7.91.13