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 2026-08-11. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 209 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

74

Historical checks stored for this nameserver on selected date

Average Latency

209 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 22:40

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

73

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 2026-08-11 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
74 2026-08-11 22:40 639220847369072314
38 ms 199.7.91.13
73 2026-08-11 22:25 639220838037764925
57 ms 199.7.91.13
72 2026-08-11 22:09 639220828735120634
13 ms 199.7.91.13
71 2026-08-11 21:54 639220819447979766
31 ms 199.7.91.13
70 2026-08-11 21:38 639220810056531741
35 ms 199.7.91.13
69 2026-08-11 21:22 639220800745746593
5 ms 199.7.91.13
68 2026-08-11 21:07 639220791351626349
8 ms 199.7.91.13
67 2026-08-11 20:51 639220782021256610
19 ms 199.7.91.13
66 2026-08-11 20:36 639220772603347755
2 ms 199.7.91.13
65 2026-08-11 20:20 639220763224057047
2037 ms 199.7.91.13
64 2026-08-11 20:04 639220753691117767
9 ms 199.7.91.13
63 2026-08-11 19:48 639220744107836218
15 ms 199.7.91.13
62 2026-08-11 18:54 639220711927629898
2023 ms 199.7.91.13
61 2026-08-11 18:38 639220702299437921
37 ms 199.7.91.13
60 2026-08-11 18:22 639220692505468181
2013 ms 199.7.91.13
59 2026-08-11 18:05 639220682669911239
9 ms 199.7.91.13
58 2026-08-11 17:49 639220672929841526
2010 ms 199.7.91.13
57 2026-08-11 17:33 639220663225662315
20 ms 199.7.91.13
56 2026-08-11 17:17 639220653846255684
7 ms 199.7.91.13
55 2026-08-11 17:01 639220644420909059
31 ms 199.7.91.13
54 2026-08-11 16:46 639220635074970435
3 ms 199.7.91.13
53 2026-08-11 16:30 639220625614385966
23 ms 199.7.91.13
52 2026-08-11 16:14 639220616132212636
3 ms 199.7.91.13
51 2026-08-11 15:58 639220606533651662
5 ms 199.7.91.13
50 2026-08-11 15:04 639220574514514318
-
49 2026-08-11 14:49 639220565124823874
30 ms 199.7.91.13
48 2026-08-11 14:33 639220555799311478
2 ms 199.7.91.13
47 2026-08-11 14:18 639220546481577614
5 ms 199.7.91.13
46 2026-08-11 14:02 639220537036533154
3 ms 199.7.91.13
45 2026-08-11 13:46 639220527719177174
9 ms 199.7.91.13
44 2026-08-11 13:30 639220518173088308
43 ms 199.7.91.13
43 2026-08-11 13:15 639220508902896243
3 ms 199.7.91.13
42 2026-08-11 12:59 639220499455923005
7 ms 199.7.91.13
41 2026-08-11 12:44 639220490082583768
8 ms 199.7.91.13
40 2026-08-11 12:28 639220480636590998
18 ms 199.7.91.13
39 2026-08-11 12:09 639220469585029273
24 ms 199.7.91.13
38 2026-08-11 11:17 639220438074188884
23 ms 199.7.91.13
37 2026-08-11 11:02 639220428789720049
3 ms 199.7.91.13
36 2026-08-11 10:46 639220419558302820
4 ms 199.7.91.13
35 2026-08-11 10:31 639220410448738795
64 ms 199.7.91.13
34 2026-08-11 10:16 639220401034081530
29 ms 199.7.91.13
33 2026-08-11 10:00 639220391766674161
4 ms 199.7.91.13
32 2026-08-11 09:44 639220382275807148
43 ms 199.7.91.13
31 2026-08-11 09:29 639220373034162867
7 ms 199.7.91.13
30 2026-08-11 09:14 639220363994971859
24 ms 199.7.91.13
29 2026-08-11 08:58 639220354563965455
46 ms 199.7.91.13
28 2026-08-11 08:43 639220345437414880
4 ms 199.7.91.13
27 2026-08-11 08:27 639220336024248987
3 ms 199.7.91.13
26 2026-08-11 07:34 639220304233635692
23 ms 199.7.91.13
25 2026-08-11 07:19 639220294872170960
2014 ms 199.7.91.13
24 2026-08-11 07:03 639220285547177980
31 ms 199.7.91.13
23 2026-08-11 06:48 639220276337941315
7 ms 199.7.91.13
22 2026-08-11 06:32 639220267175191677
11 ms 199.7.91.13
21 2026-08-11 06:17 639220257981518924
27 ms 199.7.91.13
20 2026-08-11 06:03 639220249265489070
2 ms 199.7.91.13
19 2026-08-11 05:48 639220240700249205
6 ms 199.7.91.13
18 2026-08-11 05:34 639220231975029986
43 ms 199.7.91.13
17 2026-08-11 05:19 639220223261176932
13 ms 199.7.91.13
16 2026-08-11 05:04 639220214366718456
7 ms 199.7.91.13
15 2026-08-11 04:49 639220205306334524
15 ms 199.7.91.13
14 2026-08-11 03:58 639220174463175061
7 ms 199.7.91.13
13 2026-08-11 03:43 639220165777190438
2 ms 199.7.91.13
12 2026-08-11 03:29 639220156880374825
12 ms 199.7.91.13
11 2026-08-11 03:14 639220148139986945
2011 ms 199.7.91.13
10 2026-08-11 02:59 639220139271074299
2 ms 199.7.91.13
9 2026-08-11 02:45 639220130565901336
5 ms 199.7.91.13
8 2026-08-11 02:30 639220121659980575
19 ms 199.7.91.13
7 2026-08-11 02:15 639220112857650894
7 ms 199.7.91.13
6 2026-08-11 02:00 639220103767686219
7 ms 199.7.91.13
5 2026-08-11 01:45 639220094545970611
2016 ms 199.7.91.13
4 2026-08-11 01:30 639220085476091081
36 ms 199.7.91.13
3 2026-08-11 01:14 639220076243751161
7 ms 199.7.91.13
2 2026-08-11 00:22 639220045322845190
2 ms 199.7.91.13
1 2026-08-11 00:08 639220036434132314
39 ms 199.7.91.13