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

c.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 554 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 c.root--servers.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

554 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

162.208.11.44

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 c.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
9 ms 162.208.11.44
72 2026-08-21 23:41 639229517954323214
4 ms 162.208.11.44
71 2026-08-21 23:25 639229508269999021
6 ms 162.208.11.44
70 2026-08-21 23:09 639229498559060171
217 ms 162.208.11.44
69 2026-08-21 22:52 639229488519347586
146 ms 162.208.11.44
68 2026-08-21 21:59 639229456606578934
7 ms 162.208.11.44
67 2026-08-21 21:43 639229446985772499
132 ms 162.208.11.44
66 2026-08-21 21:27 639229437367313098
151 ms 162.208.11.44
65 2026-08-21 21:11 639229427923950391
115 ms 162.208.11.44
64 2026-08-21 20:55 639229418168588854
221 ms 162.208.11.44
63 2026-08-21 20:39 639229408345678334
226 ms 162.208.11.44
62 2026-08-21 20:22 639229398616354648
229 ms 162.208.11.44
61 2026-08-21 20:06 639229388634592323
116 ms 162.208.11.44
60 2026-08-21 19:49 639229378792837692
121 ms 162.208.11.44
59 2026-08-21 19:33 639229369154682311
119 ms 162.208.11.44
58 2026-08-21 19:17 639229359248017926
2110 ms 162.208.11.44
57 2026-08-21 19:00 639229349124294642
237 ms 162.208.11.44
56 2026-08-21 18:08 639229317791715692
115 ms 162.208.11.44
55 2026-08-21 17:52 639229308115194575
228 ms 162.208.11.44
54 2026-08-21 17:35 639229298320320558
114 ms 162.208.11.44
53 2026-08-21 17:19 639229288674863221
137 ms 162.208.11.44
52 2026-08-21 17:03 639229278983677079
223 ms 162.208.11.44
51 2026-08-21 16:47 639229269405517175
4 ms 162.208.11.44
50 2026-08-21 16:31 639229259594798244
147 ms 162.208.11.44
49 2026-08-21 16:14 639229249736681188
4 ms 162.208.11.44
48 2026-08-21 15:58 639229239699417787
113 ms 162.208.11.44
47 2026-08-21 15:41 639229229621964033
111 ms 162.208.11.44
46 2026-08-21 15:24 639229219567270965
223 ms 162.208.11.44
45 2026-08-21 15:07 639229209406666856
1638 ms 162.208.11.44
44 2026-08-21 14:14 639229177815876178
132 ms 162.208.11.44
43 2026-08-21 13:58 639229168243572685
224 ms 162.208.11.44
42 2026-08-21 13:42 639229158599856475
225 ms 162.208.11.44
41 2026-08-21 13:26 639229148998940902
2122 ms 162.208.11.44
40 2026-08-21 13:10 639229139276923594
3825 ms 162.208.11.44
39 2026-08-21 12:54 639229129709912394
2011 ms 162.208.11.44
38 2026-08-21 12:38 639229119801488500
1750 ms 162.208.11.44
37 2026-08-21 12:21 639229110135262458
6 ms 162.208.11.44
36 2026-08-21 12:05 639229100336051392
142 ms 162.208.11.44
35 2026-08-21 11:49 639229090641415626
222 ms 162.208.11.44
34 2026-08-21 11:33 639229080702683947
121 ms 162.208.11.44
33 2026-08-21 11:16 639229070601456699
224 ms 162.208.11.44
32 2026-08-21 10:23 639229038947447232
2008 ms 162.208.11.44
31 2026-08-21 10:07 639229029268708773
145 ms 162.208.11.44
30 2026-08-21 09:51 639229019647910603
115 ms 162.208.11.44
29 2026-08-21 09:35 639229009983843738
154 ms 162.208.11.44
28 2026-08-21 09:18 639229000203331882
256 ms 162.208.11.44
27 2026-08-21 09:02 639228990302335999
220 ms 162.208.11.44
26 2026-08-21 08:46 639228980567740722
2 ms 162.208.11.44
25 2026-08-21 08:29 639228970762445174
2157 ms 162.208.11.44
24 2026-08-21 08:13 639228961065054445
223 ms 162.208.11.44
23 2026-08-21 07:57 639228951224649885
231 ms 162.208.11.44
22 2026-08-21 07:40 639228941303864592
232 ms 162.208.11.44
21 2026-08-21 07:24 639228931191328583
238 ms 162.208.11.44
20 2026-08-21 06:31 639228899518173317
1827 ms 162.208.11.44
19 2026-08-21 06:14 639228889785027669
8 ms 162.208.11.44
18 2026-08-21 05:58 639228880106330161
157 ms 162.208.11.44
17 2026-08-21 05:42 639228870316184091
217 ms 162.208.11.44
16 2026-08-21 05:26 639228860695366512
4 ms 162.208.11.44
15 2026-08-21 05:10 639228851027209500
2031 ms 162.208.11.44
14 2026-08-21 04:54 639228841479265462
113 ms 162.208.11.44
13 2026-08-21 04:38 639228831752962260
158 ms 162.208.11.44
12 2026-08-21 04:21 639228821953295483
229 ms 162.208.11.44
11 2026-08-21 04:05 639228812227429953
2168 ms 162.208.11.44
10 2026-08-21 03:49 639228802476107538
111 ms 162.208.11.44
9 2026-08-21 03:32 639228792525492032
226 ms 162.208.11.44
8 2026-08-21 02:40 639228761131421385
227 ms 162.208.11.44
7 2026-08-21 02:24 639228751571206692
228 ms 162.208.11.44
6 2026-08-21 02:08 639228741705571019
4128 ms 162.208.11.44
5 2026-08-21 01:51 639228731642208228
145 ms 162.208.11.44
4 2026-08-21 00:59 639228700387002072
3734 ms 162.208.11.44
3 2026-08-21 00:42 639228690742014433
225 ms 162.208.11.44
2 2026-08-21 00:26 639228680877937122
120 ms 162.208.11.44
1 2026-08-21 00:10 639228670775860800
147 ms 162.208.11.44