DNS response history for d.root--servers.com

d.root--servers.com 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 328 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.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

328 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

198.144.183.102

Most recently resolved hosting IP on selected date

Successful Responses

73

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.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:57 639229527598660841
1739 ms 198.144.183.102
72 2026-08-21 23:41 639229517954323214
138 ms 198.144.183.102
71 2026-08-21 23:25 639229508269999021
8 ms 198.144.183.102
70 2026-08-21 23:09 639229498559060171
227 ms 198.144.183.102
69 2026-08-21 22:52 639229488519347586
725 ms 198.144.183.102
68 2026-08-21 21:59 639229456606578934
211 ms 198.144.183.102
67 2026-08-21 21:43 639229446985772499
190 ms 198.144.183.102
66 2026-08-21 21:27 639229437367313098
218 ms 198.144.183.102
65 2026-08-21 21:11 639229427923950391
228 ms 198.144.183.102
64 2026-08-21 20:55 639229418168588854
219 ms 198.144.183.102
63 2026-08-21 20:38 639229408345678334
219 ms 198.144.183.102
62 2026-08-21 20:22 639229398616354648
117 ms 198.144.183.102
61 2026-08-21 20:06 639229388634592323
114 ms 198.144.183.102
60 2026-08-21 19:49 639229378792837692
228 ms 198.144.183.102
59 2026-08-21 19:33 639229369154682311
2164 ms 198.144.183.102
58 2026-08-21 19:17 639229359248017926
225 ms 198.144.183.102
57 2026-08-21 19:00 639229349124294642
253 ms 198.144.183.102
56 2026-08-21 18:07 639229317791715692
224 ms 198.144.183.102
55 2026-08-21 17:51 639229308115194575
223 ms 198.144.183.102
54 2026-08-21 17:35 639229298320320558
117 ms 198.144.183.102
53 2026-08-21 17:19 639229288674863221
2127 ms 198.144.183.102
52 2026-08-21 17:03 639229278983677079
8 ms 198.144.183.102
51 2026-08-21 16:47 639229269405517175
228 ms 198.144.183.102
50 2026-08-21 16:31 639229259594798244
3 ms 198.144.183.102
49 2026-08-21 16:14 639229249736681188
142 ms 198.144.183.102
48 2026-08-21 15:58 639229239699417787
227 ms 198.144.183.102
47 2026-08-21 15:41 639229229621964033
240 ms 198.144.183.102
46 2026-08-21 15:24 639229219567270965
225 ms 198.144.183.102
45 2026-08-21 15:07 639229209406666856
237 ms 198.144.183.102
44 2026-08-21 14:14 639229177815876178
3 ms 198.144.183.102
43 2026-08-21 13:58 639229168243572685
2111 ms 198.144.183.102
42 2026-08-21 13:42 639229158599856475
222 ms 198.144.183.102
41 2026-08-21 13:26 639229148998940902
222 ms 198.144.183.102
40 2026-08-21 13:10 639229139276923594
218 ms 198.144.183.102
39 2026-08-21 12:54 639229129709912394
2148 ms 198.144.183.102
38 2026-08-21 12:38 639229119801488500
15 ms 198.144.183.102
37 2026-08-21 12:21 639229110135262458
5 ms 198.144.183.102
36 2026-08-21 12:05 639229100336051392
216 ms 198.144.183.102
35 2026-08-21 11:49 639229090641415626
223 ms 198.144.183.102
34 2026-08-21 11:32 639229080702683947
226 ms 198.144.183.102
33 2026-08-21 11:16 639229070601456699
131 ms 198.144.183.102
32 2026-08-21 10:23 639229038947447232
4 ms 198.144.183.102
31 2026-08-21 10:07 639229029268708773
224 ms 198.144.183.102
30 2026-08-21 09:50 639229019647910603
115 ms 198.144.183.102
29 2026-08-21 09:34 639229009983843738
230 ms 198.144.183.102
28 2026-08-21 09:18 639229000203331882
6 ms 198.144.183.102
27 2026-08-21 09:02 639228990302335999
4 ms 198.144.183.102
26 2026-08-21 08:45 639228980567740722
1639 ms 198.144.183.102
25 2026-08-21 08:29 639228970762445174
220 ms 198.144.183.102
24 2026-08-21 08:13 639228961065054445
140 ms 198.144.183.102
23 2026-08-21 07:57 639228951224649885
223 ms 198.144.183.102
22 2026-08-21 07:40 639228941303864592
4 ms 198.144.183.102
21 2026-08-21 07:23 639228931191328583
222 ms 198.144.183.102
20 2026-08-21 06:30 639228899518173317
119 ms 198.144.183.102
19 2026-08-21 06:14 639228889785027669
3 ms 198.144.183.102
18 2026-08-21 05:58 639228880106330161
224 ms 198.144.183.102
17 2026-08-21 05:42 639228870316184091
2 ms 198.144.183.102
16 2026-08-21 05:26 639228860695366512
5 ms 198.144.183.102
15 2026-08-21 05:09 639228851027209500
224 ms 198.144.183.102
14 2026-08-21 04:53 639228841479265462
231 ms 198.144.183.102
13 2026-08-21 04:37 639228831752962260
2 ms 198.144.183.102
12 2026-08-21 04:21 639228821953295483
3 ms 198.144.183.102
11 2026-08-21 04:05 639228812227429953
221 ms 198.144.183.102
10 2026-08-21 03:49 639228802476107538
110 ms 198.144.183.102
9 2026-08-21 03:32 639228792525492032
220 ms 198.144.183.102
8 2026-08-21 02:40 639228761131421385
3 ms 198.144.183.102
7 2026-08-21 02:24 639228751571206692
114 ms 198.144.183.102
6 2026-08-21 02:07 639228741705571019
1648 ms 198.144.183.102
5 2026-08-21 01:51 639228731642208228
235 ms 198.144.183.102
4 2026-08-21 00:58 639228700387002072
3 ms 198.144.183.102
3 2026-08-21 00:42 639228690742014433
227 ms 198.144.183.102
2 2026-08-21 00:26 639228680877937122
109 ms 198.144.183.102
1 2026-08-21 00:09 639228670775860800
218 ms 198.144.183.102