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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 159 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

72

Historical checks stored for this nameserver on selected date

Average Latency

159 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:52

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

72

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 2026-08-13 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
72 2026-08-13 23:52 639222618462620588
18 ms 199.7.91.13
71 2026-08-13 23:35 639222608688333012
15 ms 199.7.91.13
70 2026-08-13 23:19 639222598741756356
6 ms 199.7.91.13
69 2026-08-13 23:02 639222588615244093
14 ms 199.7.91.13
68 2026-08-13 22:08 639222556495289724
37 ms 199.7.91.13
67 2026-08-13 21:52 639222546477917698
18 ms 199.7.91.13
66 2026-08-13 21:35 639222536257653790
2022 ms 199.7.91.13
65 2026-08-13 21:17 639222525833084485
3 ms 199.7.91.13
64 2026-08-13 21:00 639222515446085004
53 ms 199.7.91.13
63 2026-08-13 20:43 639222505166766781
19 ms 199.7.91.13
62 2026-08-13 20:26 639222494930541001
10 ms 199.7.91.13
61 2026-08-13 20:08 639222484469216890
14 ms 199.7.91.13
60 2026-08-13 19:51 639222474270039940
39 ms 199.7.91.13
59 2026-08-13 19:34 639222464005587385
9 ms 199.7.91.13
58 2026-08-13 19:17 639222453485975041
2039 ms 199.7.91.13
57 2026-08-13 18:59 639222442984828770
3 ms 199.7.91.13
56 2026-08-13 18:05 639222410191353397
28 ms 199.7.91.13
55 2026-08-13 17:47 639222399952628376
30 ms 199.7.91.13
54 2026-08-13 17:30 639222389608608647
11 ms 199.7.91.13
53 2026-08-13 17:13 639222379604012481
36 ms 199.7.91.13
52 2026-08-13 16:56 639222369372672858
9 ms 199.7.91.13
51 2026-08-13 16:39 639222359096909298
60 ms 199.7.91.13
50 2026-08-13 16:22 639222348814301655
2039 ms 199.7.91.13
49 2026-08-13 16:05 639222338608331104
3 ms 199.7.91.13
48 2026-08-13 15:48 639222328204609760
2 ms 199.7.91.13
47 2026-08-13 15:31 639222317859759909
9 ms 199.7.91.13
46 2026-08-13 15:13 639222307560137918
16 ms 199.7.91.13
45 2026-08-13 14:56 639222297274357149
46 ms 199.7.91.13
44 2026-08-13 14:03 639222265004477827
26 ms 199.7.91.13
43 2026-08-13 13:46 639222255176583683
44 ms 199.7.91.13
42 2026-08-13 13:30 639222245340146131
2009 ms 199.7.91.13
41 2026-08-13 13:14 639222235662219956
3 ms 199.7.91.13
40 2026-08-13 12:57 639222225817223284
2 ms 199.7.91.13
39 2026-08-13 12:42 639222216341869648
3 ms 199.7.91.13
38 2026-08-13 12:26 639222206848442189
4 ms 199.7.91.13
37 2026-08-13 12:10 639222197538963225
25 ms 199.7.91.13
36 2026-08-13 11:55 639222188113685569
6 ms 199.7.91.13
35 2026-08-13 11:39 639222178880138458
3 ms 199.7.91.13
34 2026-08-13 11:23 639222169343013317
26 ms 199.7.91.13
33 2026-08-13 11:08 639222159910600596
13 ms 199.7.91.13
32 2026-08-13 10:16 639222128676274866
3 ms 199.7.91.13
31 2026-08-13 10:00 639222119169781983
23 ms 199.7.91.13
30 2026-08-13 09:45 639222109996148889
6 ms 199.7.91.13
29 2026-08-13 09:29 639222100791323799
25 ms 199.7.91.13
28 2026-08-13 09:14 639222091647893142
11 ms 199.7.91.13
27 2026-08-13 08:59 639222082524717649
5 ms 199.7.91.13
26 2026-08-13 08:44 639222073378630456
44 ms 199.7.91.13
25 2026-08-13 08:29 639222064537306701
32 ms 199.7.91.13
24 2026-08-13 08:14 639222055409471864
25 ms 199.7.91.13
23 2026-08-13 07:58 639222046117152411
4 ms 199.7.91.13
22 2026-08-13 07:43 639222036915107067
33 ms 199.7.91.13
21 2026-08-13 07:27 639222027654889141
17 ms 199.7.91.13
20 2026-08-13 06:37 639221996824612035
8 ms 199.7.91.13
19 2026-08-13 06:22 639221987863418113
34 ms 199.7.91.13
18 2026-08-13 06:07 639221979006823112
5 ms 199.7.91.13
17 2026-08-13 05:52 639221970068466615
7 ms 199.7.91.13
16 2026-08-13 05:37 639221961001585139
39 ms 199.7.91.13
15 2026-08-13 05:22 639221952104046397
21 ms 199.7.91.13
14 2026-08-13 05:07 639221943247694484
6 ms 199.7.91.13
13 2026-08-13 04:53 639221934603388241
29 ms 199.7.91.13
12 2026-08-13 04:38 639221925729273358
10 ms 199.7.91.13
11 2026-08-13 04:23 639221916777813401
10 ms 199.7.91.13
10 2026-08-13 04:08 639221907816913910
10 ms 199.7.91.13
9 2026-08-13 03:53 639221898639694322
34 ms 199.7.91.13
8 2026-08-13 03:02 639221868257567489
21 ms 199.7.91.13
7 2026-08-13 02:47 639221859270235608
2011 ms 199.7.91.13
6 2026-08-13 02:32 639221850184464515
50 ms 199.7.91.13
5 2026-08-13 02:17 639221841141973425
36 ms 199.7.91.13
4 2026-08-13 01:26 639221810548753083
24 ms 199.7.91.13
3 2026-08-13 01:12 639221801656796262
30 ms 199.7.91.13
2 2026-08-13 00:56 639221792658715334
9 ms 199.7.91.13
1 2026-08-13 00:41 639221783571379176
25 ms 199.7.91.13