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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 332 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

74

Historical checks stored for this nameserver on selected date

Average Latency

332 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:51

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

74

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 2026-08-19 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 2026-08-19 23:51 639227795899225951
115 ms 198.144.183.102
73 2026-08-19 23:35 639227786351762008
233 ms 198.144.183.102
72 2026-08-19 23:19 639227776640591733
228 ms 198.144.183.102
71 2026-08-19 23:03 639227767128841282
157 ms 198.144.183.102
70 2026-08-19 22:47 639227757477304711
1737 ms 198.144.183.102
69 2026-08-19 22:31 639227747572098014
1773 ms 198.144.183.102
68 2026-08-19 22:14 639227737588613113
233 ms 198.144.183.102
67 2026-08-19 21:21 639227706134603955
226 ms 198.144.183.102
66 2026-08-19 21:05 639227696589027396
2008 ms 198.144.183.102
65 2026-08-19 20:49 639227687097707639
250 ms 198.144.183.102
64 2026-08-19 20:33 639227677474464487
228 ms 198.144.183.102
63 2026-08-19 20:17 639227667767441118
117 ms 198.144.183.102
62 2026-08-19 20:01 639227657984833832
3 ms 198.144.183.102
61 2026-08-19 19:45 639227648079992640
133 ms 198.144.183.102
60 2026-08-19 19:28 639227638125048441
4 ms 198.144.183.102
59 2026-08-19 19:11 639227628211392142
235 ms 198.144.183.102
58 2026-08-19 18:55 639227618261696275
121 ms 198.144.183.102
57 2026-08-19 18:38 639227608366233645
113 ms 198.144.183.102
56 2026-08-19 18:22 639227598301787588
110 ms 198.144.183.102
55 2026-08-19 17:28 639227566241010716
224 ms 198.144.183.102
54 2026-08-19 17:12 639227556454538959
243 ms 198.144.183.102
53 2026-08-19 16:56 639227546640305542
4 ms 198.144.183.102
52 2026-08-19 16:39 639227536965466472
230 ms 198.144.183.102
51 2026-08-19 16:23 639227527048658280
223 ms 198.144.183.102
50 2026-08-19 16:07 639227517386634438
5 ms 198.144.183.102
49 2026-08-19 15:50 639227507459551637
226 ms 198.144.183.102
48 2026-08-19 15:34 639227497515595277
224 ms 198.144.183.102
47 2026-08-19 15:17 639227487441798036
229 ms 198.144.183.102
46 2026-08-19 15:00 639227477445551863
239 ms 198.144.183.102
45 2026-08-19 14:43 639227467297067891
230 ms 198.144.183.102
44 2026-08-19 14:26 639227457057795635
2119 ms 198.144.183.102
43 2026-08-19 13:33 639227425244777397
229 ms 198.144.183.102
42 2026-08-19 13:17 639227415422116485
4 ms 198.144.183.102
41 2026-08-19 13:00 639227405307256053
4 ms 198.144.183.102
40 2026-08-19 12:43 639227395396602630
2 ms 198.144.183.102
39 2026-08-19 12:27 639227385510363611
223 ms 198.144.183.102
38 2026-08-19 12:10 639227375508324850
115 ms 198.144.183.102
37 2026-08-19 11:53 639227365326611906
117 ms 198.144.183.102
36 2026-08-19 11:37 639227355360014208
224 ms 198.144.183.102
35 2026-08-19 11:20 639227345036782165
144 ms 198.144.183.102
34 2026-08-19 11:03 639227334992964533
115 ms 198.144.183.102
33 2026-08-19 10:46 639227324986605572
233 ms 198.144.183.102
32 2026-08-19 10:29 639227314928414539
131 ms 198.144.183.102
31 2026-08-19 09:36 639227283029182134
220 ms 198.144.183.102
30 2026-08-19 09:20 639227273294779350
229 ms 198.144.183.102
29 2026-08-19 09:03 639227263525231313
227 ms 198.144.183.102
28 2026-08-19 08:47 639227253578313363
108 ms 198.144.183.102
27 2026-08-19 08:31 639227243649973322
235 ms 198.144.183.102
26 2026-08-19 08:14 639227233581059317
221 ms 198.144.183.102
25 2026-08-19 07:57 639227223667352067
227 ms 198.144.183.102
24 2026-08-19 07:41 639227213714837066
714 ms 198.144.183.102
23 2026-08-19 07:24 639227203701208496
108 ms 198.144.183.102
22 2026-08-19 07:07 639227193643202179
224 ms 198.144.183.102
21 2026-08-19 06:51 639227183584431597
240 ms 198.144.183.102
20 2026-08-19 06:34 639227173347403088
223 ms 198.144.183.102
19 2026-08-19 05:40 639227141523007601
2133 ms 198.144.183.102
18 2026-08-19 05:24 639227131785931574
223 ms 198.144.183.102
17 2026-08-19 05:08 639227122176475389
228 ms 198.144.183.102
16 2026-08-19 04:52 639227112668934596
112 ms 198.144.183.102
15 2026-08-19 04:36 639227102773292788
4 ms 198.144.183.102
14 2026-08-19 04:19 639227093141136930
3 ms 198.144.183.102
13 2026-08-19 04:03 639227083449420147
1757 ms 198.144.183.102
12 2026-08-19 03:47 639227073771748493
227 ms 198.144.183.102
11 2026-08-19 03:31 639227063977347614
2 ms 198.144.183.102
10 2026-08-19 03:15 639227054253519024
126 ms 198.144.183.102
9 2026-08-19 02:58 639227044381963886
117 ms 198.144.183.102
8 2026-08-19 02:42 639227034441085514
228 ms 198.144.183.102
7 2026-08-19 01:50 639227003126489968
220 ms 198.144.183.102
6 2026-08-19 01:33 639226993456311614
120 ms 198.144.183.102
5 2026-08-19 01:17 639226983847312345
1866 ms 198.144.183.102
4 2026-08-19 01:01 639226974357874853
4 ms 198.144.183.102
3 2026-08-19 00:45 639226964670484721
250 ms 198.144.183.102
2 2026-08-19 00:29 639226954857899696
223 ms 198.144.183.102
1 2026-08-19 00:13 639226945091603488
8 ms 198.144.183.102