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 2026-08-16. For this date, NameServerHistory found 60 DNS check records, 59 successful responses, 1 failed responses, and 84 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

60

Historical checks stored for this nameserver on selected date

Average Latency

84 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:46

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

59

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-16 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
60 2026-08-16 23:46 639225207490611656
5 ms 199.7.91.13
59 2026-08-16 23:30 639225198045815385
58 ms 199.7.91.13
58 2026-08-16 22:38 639225166825544741
3 ms 199.7.91.13
57 2026-08-16 22:22 639225157549461269
19 ms 199.7.91.13
56 2026-08-16 22:06 639225147914556308
44 ms 199.7.91.13
55 2026-08-16 21:51 639225138472322960
57 ms 199.7.91.13
54 2026-08-16 20:58 639225107211236826
7 ms 199.7.91.13
53 2026-08-16 20:43 639225097684457510
3 ms 199.7.91.13
52 2026-08-16 20:26 639225087942913396
39 ms 199.7.91.13
51 2026-08-16 20:10 639225078238684183
26 ms 199.7.91.13
50 2026-08-16 19:18 639225046944151094
17 ms 199.7.91.13
49 2026-08-16 19:02 639225037234857231
23 ms 199.7.91.13
48 2026-08-16 18:45 639225027423459920
35 ms 199.7.91.13
47 2026-08-16 18:30 639225017891613027
5 ms 199.7.91.13
46 2026-08-16 17:37 639224986298183527
4039 ms 199.7.91.13
45 2026-08-16 17:21 639224976567107023
26 ms 199.7.91.13
44 2026-08-16 17:04 639224966709723386
15 ms 199.7.91.13
43 2026-08-16 16:48 639224957175756942
4 ms 199.7.91.13
42 2026-08-16 15:56 639224925782379869
32 ms 199.7.91.13
41 2026-08-16 15:40 639224916429532459
23 ms 199.7.91.13
40 2026-08-16 15:25 639224906878325623
3 ms 199.7.91.13
39 2026-08-16 15:09 639224897258974385
6 ms 199.7.91.13
38 2026-08-16 14:17 639224866169532828
8 ms 199.7.91.13
37 2026-08-16 14:01 639224856561831915
24 ms 199.7.91.13
36 2026-08-16 13:44 639224846830897794
5 ms 199.7.91.13
35 2026-08-16 13:28 639224836975863283
10 ms 199.7.91.13
34 2026-08-16 12:35 639224804985340946
5 ms 199.7.91.13
33 2026-08-16 12:19 639224795567782333
8 ms 199.7.91.13
32 2026-08-16 12:03 639224785914225250
3 ms 199.7.91.13
31 2026-08-16 11:47 639224776383854998
11 ms 199.7.91.13
30 2026-08-16 10:54 639224744252113993
11 ms 199.7.91.13
29 2026-08-16 10:37 639224734238905542
6 ms 199.7.91.13
28 2026-08-16 10:20 639224724335031221
4 ms 199.7.91.13
27 2026-08-16 10:04 639224714475244430
3 ms 199.7.91.13
26 2026-08-16 09:08 639224681063874153
3 ms 199.7.91.13
25 2026-08-16 08:52 639224671038956665
3 ms 199.7.91.13
24 2026-08-16 08:35 639224661079806122
9 ms 199.7.91.13
23 2026-08-16 08:18 639224651169993038
5 ms 199.7.91.13
22 2026-08-16 07:25 639224618882283050
10 ms 199.7.91.13
21 2026-08-16 07:09 639224609519965372
3 ms 199.7.91.13
20 2026-08-16 06:53 639224599969658888
13 ms 199.7.91.13
19 2026-08-16 06:37 639224590360343307
31 ms 199.7.91.13
18 2026-08-16 05:45 639224558901831832
3 ms 199.7.91.13
17 2026-08-16 05:29 639224549678210576
8 ms 199.7.91.13
16 2026-08-16 05:14 639224540433420642
12 ms 199.7.91.13
15 2026-08-16 04:58 639224531046032443
4 ms 199.7.91.13
14 2026-08-16 04:06 639224499638024410
53 ms 199.7.91.13
13 2026-08-16 03:51 639224490358783451
16 ms 199.7.91.13
12 2026-08-16 03:35 639224481111410545
17 ms 199.7.91.13
11 2026-08-16 03:20 639224471809153772
7 ms 199.7.91.13
10 2026-08-16 02:27 639224440124457324
2 ms 199.7.91.13
9 2026-08-16 02:11 639224430921105721
13 ms 199.7.91.13
8 2026-08-16 01:56 639224421455433103
18 ms 199.7.91.13
7 2026-08-16 01:40 639224412089740331
29 ms 199.7.91.13
6 2026-08-16 01:25 639224403168392868
29 ms 199.7.91.13
5 2026-08-16 01:10 639224393856251387
6 ms 199.7.91.13
4 2026-08-16 00:54 639224384677141438
33 ms 199.7.91.13
3 2026-08-16 00:39 639224375597986398
47 ms 199.7.91.13
2 2026-08-16 00:24 639224366430296466
2 ms 199.7.91.13
1 2026-08-16 00:09 639224357218176789
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