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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 528 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

57

Historical checks stored for this nameserver on selected date

Average Latency

528 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:17

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

57

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 2026-08-20 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
57 2026-08-20 23:17 639228639850033448
240 ms 198.144.183.102
56 2026-08-20 23:01 639228630204271870
3 ms 198.144.183.102
55 2026-08-20 22:45 639228620295091135
229 ms 198.144.183.102
54 2026-08-20 22:28 639228610298336915
231 ms 198.144.183.102
53 2026-08-20 21:36 639228578917047616
224 ms 198.144.183.102
52 2026-08-20 21:20 639228569046445709
3 ms 198.144.183.102
51 2026-08-20 21:03 639228558946830986
241 ms 198.144.183.102
50 2026-08-20 20:46 639228548977359217
230 ms 198.144.183.102
49 2026-08-20 19:54 639228517494157668
139 ms 198.144.183.102
48 2026-08-20 19:37 639228507374116892
228 ms 198.144.183.102
47 2026-08-20 19:20 639228497315154893
228 ms 198.144.183.102
46 2026-08-20 19:03 639228487287648341
1636 ms 198.144.183.102
45 2026-08-20 18:11 639228455828123788
229 ms 198.144.183.102
44 2026-08-20 17:54 639228445900082244
230 ms 198.144.183.102
43 2026-08-20 17:38 639228435866352323
214 ms 198.144.183.102
42 2026-08-20 17:21 639228425802273151
113 ms 198.144.183.102
41 2026-08-20 16:28 639228393616324230
122 ms 198.144.183.102
40 2026-08-20 16:11 639228383590408693
3656 ms 198.144.183.102
39 2026-08-20 15:54 639228373471467474
236 ms 198.144.183.102
38 2026-08-20 15:37 639228363426647311
113 ms 198.144.183.102
37 2026-08-20 14:44 639228331681701910
226 ms 198.144.183.102
36 2026-08-20 14:27 639228321714746824
5 ms 198.144.183.102
35 2026-08-20 14:11 639228311652090262
112 ms 198.144.183.102
34 2026-08-20 13:54 639228301670088587
231 ms 198.144.183.102
33 2026-08-20 13:01 639228269987976710
227 ms 198.144.183.102
32 2026-08-20 12:44 639228260009452308
228 ms 198.144.183.102
31 2026-08-20 12:28 639228249661740894
154 ms 198.144.183.102
30 2026-08-20 12:10 639228239552680346
224 ms 198.144.183.102
29 2026-08-20 11:17 639228207667580819
226 ms 198.144.183.102
28 2026-08-20 11:01 639228197494011560
230 ms 198.144.183.102
27 2026-08-20 10:44 639228187497039939
225 ms 198.144.183.102
26 2026-08-20 10:27 639228177408432646
841 ms 198.144.183.102
25 2026-08-20 09:35 639228146356166262
247 ms 198.144.183.102
24 2026-08-20 09:19 639228136541505712
829 ms 198.144.183.102
23 2026-08-20 09:02 639228126519136598
231 ms 198.144.183.102
22 2026-08-20 08:45 639228116537148885
230 ms 198.144.183.102
21 2026-08-20 07:53 639228085320764351
2148 ms 198.144.183.102
20 2026-08-20 07:37 639228075444604839
111 ms 198.144.183.102
19 2026-08-20 07:20 639228065615498985
242 ms 198.144.183.102
18 2026-08-20 07:04 639228055675321422
246 ms 198.144.183.102
17 2026-08-20 06:12 639228024230839396
113 ms 198.144.183.102
16 2026-08-20 05:55 639228014720406505
6 ms 198.144.183.102
15 2026-08-20 05:39 639228004930827030
1838 ms 198.144.183.102
14 2026-08-20 05:23 639227995103340154
109 ms 198.144.183.102
13 2026-08-20 04:31 639227963811374894
2005 ms 198.144.183.102
12 2026-08-20 04:15 639227954132571365
216 ms 198.144.183.102
11 2026-08-20 03:59 639227944541208342
798 ms 198.144.183.102
10 2026-08-20 03:42 639227934657213484
224 ms 198.144.183.102
9 2026-08-20 02:50 639227903628145469
3 ms 198.144.183.102
8 2026-08-20 02:34 639227893995483475
228 ms 198.144.183.102
7 2026-08-20 02:18 639227884280244209
4222 ms 198.144.183.102
6 2026-08-20 02:02 639227874371147132
3644 ms 198.144.183.102
5 2026-08-20 01:10 639227843224256432
114 ms 198.144.183.102
4 2026-08-20 00:54 639227833720403506
157 ms 198.144.183.102
3 2026-08-20 00:38 639227824170728278
228 ms 198.144.183.102
2 2026-08-20 00:22 639227814865867570
237 ms 198.144.183.102
1 2026-08-20 00:07 639227805445376839
219 ms 198.144.183.102