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 2026-08-09. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 283 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

77

Historical checks stored for this nameserver on selected date

Average Latency

283 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:10

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

77

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 2026-08-09 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
77 2026-08-09 23:10 639219137912168440
5 ms 199.7.91.13
76 2026-08-09 22:55 639219129014206359
39 ms 199.7.91.13
75 2026-08-09 22:41 639219120129816185
2015 ms 199.7.91.13
74 2026-08-09 22:26 639219111180200055
40 ms 199.7.91.13
73 2026-08-09 22:11 639219102397272208
2 ms 199.7.91.13
72 2026-08-09 21:56 639219093318422880
19 ms 199.7.91.13
71 2026-08-09 21:41 639219084400315753
11 ms 199.7.91.13
70 2026-08-09 21:26 639219075254551587
4 ms 199.7.91.13
69 2026-08-09 21:10 639219065729192158
9 ms 199.7.91.13
68 2026-08-09 20:55 639219056747802098
6 ms 199.7.91.13
67 2026-08-09 20:40 639219047713450952
45 ms 199.7.91.13
66 2026-08-09 20:25 639219038561445315
79 ms 199.7.91.13
65 2026-08-09 19:33 639219007390383771
61 ms 199.7.91.13
64 2026-08-09 19:18 639218998523265596
18 ms 199.7.91.13
63 2026-08-09 19:03 639218989631630804
29 ms 199.7.91.13
62 2026-08-09 18:48 639218980808450892
29 ms 199.7.91.13
61 2026-08-09 18:34 639218971852160604
25 ms 199.7.91.13
60 2026-08-09 18:18 639218962783650906
21 ms 199.7.91.13
59 2026-08-09 18:03 639218953792820819
33 ms 199.7.91.13
58 2026-08-09 17:49 639218944959692876
16 ms 199.7.91.13
57 2026-08-09 17:34 639218936169104506
2 ms 199.7.91.13
56 2026-08-09 17:19 639218927166062556
2009 ms 199.7.91.13
55 2026-08-09 17:04 639218918015715420
3 ms 199.7.91.13
54 2026-08-09 16:49 639218908881852638
13 ms 199.7.91.13
53 2026-08-09 15:57 639218877956262035
30 ms 199.7.91.13
52 2026-08-09 15:43 639218869143729797
11 ms 199.7.91.13
51 2026-08-09 15:28 639218860485298832
8 ms 199.7.91.13
50 2026-08-09 15:13 639218851607906747
3 ms 199.7.91.13
49 2026-08-09 14:59 639218842720839568
33 ms 199.7.91.13
48 2026-08-09 14:44 639218833878788864
41 ms 199.7.91.13
47 2026-08-09 14:29 639218825180862573
18 ms 199.7.91.13
46 2026-08-09 14:15 639218816469621951
48 ms 199.7.91.13
45 2026-08-09 14:00 639218807685036212
36 ms 199.7.91.13
44 2026-08-09 13:46 639218798978271509
2011 ms 199.7.91.13
43 2026-08-09 13:31 639218790065423597
4 ms 199.7.91.13
42 2026-08-09 13:16 639218781304584862
3 ms 199.7.91.13
41 2026-08-09 12:24 639218750311179000
7 ms 199.7.91.13
40 2026-08-09 12:10 639218741750420268
32 ms 199.7.91.13
39 2026-08-09 11:55 639218733057535576
5 ms 199.7.91.13
38 2026-08-09 11:41 639218724471329044
3 ms 199.7.91.13
37 2026-08-09 11:27 639218715911974203
8 ms 199.7.91.13
36 2026-08-09 11:12 639218707310812834
10 ms 199.7.91.13
35 2026-08-09 10:58 639218698790485612
2010 ms 199.7.91.13
34 2026-08-09 10:44 639218690367692706
15 ms 199.7.91.13
33 2026-08-09 10:30 639218681923173883
2038 ms 199.7.91.13
32 2026-08-09 10:16 639218673547179738
3 ms 199.7.91.13
31 2026-08-09 10:01 639218664890274867
2034 ms 199.7.91.13
30 2026-08-09 09:47 639218656036928157
2 ms 199.7.91.13
29 2026-08-09 08:54 639218624808018222
3 ms 199.7.91.13
28 2026-08-09 08:40 639218616243340806
3 ms 199.7.91.13
27 2026-08-09 08:25 639218607397811973
2009 ms 199.7.91.13
26 2026-08-09 08:11 639218598812444454
472 ms 199.7.91.13
25 2026-08-09 07:57 639218590219570048
41 ms 199.7.91.13
24 2026-08-09 07:42 639218581690210758
18 ms 199.7.91.13
23 2026-08-09 07:28 639218573057388822
2 ms 199.7.91.13
22 2026-08-09 07:14 639218564408781785
2054 ms 199.7.91.13
21 2026-08-09 06:59 639218555767188482
8 ms 199.7.91.13
20 2026-08-09 06:45 639218547142705295
2012 ms 199.7.91.13
19 2026-08-09 06:30 639218538090114532
9 ms 199.7.91.13
18 2026-08-09 06:15 639218529257910584
2 ms 199.7.91.13
17 2026-08-09 05:24 639218498473231858
25 ms 199.7.91.13
16 2026-08-09 05:09 639218489802113995
4 ms 199.7.91.13
15 2026-08-09 04:55 639218481006804516
7 ms 199.7.91.13
14 2026-08-09 04:40 639218472048712427
4 ms 199.7.91.13
13 2026-08-09 04:25 639218463224432974
11 ms 199.7.91.13
12 2026-08-09 04:10 639218454384107526
9 ms 199.7.91.13
11 2026-08-09 03:55 639218445331231791
2 ms 199.7.91.13
10 2026-08-09 03:40 639218436285215733
9 ms 199.7.91.13
9 2026-08-09 03:25 639218427289555123
2024 ms 199.7.91.13
8 2026-08-09 03:10 639218418227819981
5 ms 199.7.91.13
7 2026-08-09 02:55 639218409119503123
3 ms 199.7.91.13
6 2026-08-09 02:39 639218399771712154
94 ms 199.7.91.13
5 2026-08-09 01:48 639218368648652303
3 ms 199.7.91.13
4 2026-08-09 01:32 639218359569598460
10 ms 199.7.91.13
3 2026-08-09 01:17 639218350555429902
16 ms 199.7.91.13
2 2026-08-09 01:02 639218341311543299
8 ms 199.7.91.13
1 2026-08-09 00:10 639218309981981465
10 ms 199.7.91.13