DNS response history for ns1.cod.edu

ns1.cod.edu 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, 72 successful responses, 1 failed responses, and 386 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 ns1.cod.edu.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

386 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.203.136.10

Most recently resolved hosting IP on selected date

Successful Responses

72

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.cod.edu

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 23:52 639229527598660841
122 ms 192.203.136.10
72 2026-08-21 23:36 639229517954323214
122 ms 192.203.136.10
71 2026-08-21 23:19 639229508269999021
2123 ms 192.203.136.10
70 2026-08-21 23:03 639229498559060171
15 ms 192.203.136.10
69 2026-08-21 22:47 639229488519347586
2013 ms 192.203.136.10
68 2026-08-21 21:53 639229456606578934
-
67 2026-08-21 21:37 639229446985772499
2247 ms 192.203.136.10
66 2026-08-21 21:21 639229437367313098
4 ms 192.203.136.10
65 2026-08-21 21:05 639229427923950391
2017 ms 192.203.136.10
64 2026-08-21 20:49 639229418168588854
21 ms 192.203.136.10
63 2026-08-21 20:33 639229408345678334
118 ms 192.203.136.10
62 2026-08-21 20:16 639229398616354648
38 ms 192.203.136.10
61 2026-08-21 20:00 639229388634592323
227 ms 192.203.136.10
60 2026-08-21 19:44 639229378792837692
122 ms 192.203.136.10
59 2026-08-21 19:27 639229369154682311
3 ms 192.203.136.10
58 2026-08-21 19:11 639229359248017926
154 ms 192.203.136.10
57 2026-08-21 18:54 639229349124294642
2008 ms 192.203.136.10
56 2026-08-21 18:02 639229317791715692
115 ms 192.203.136.10
55 2026-08-21 17:46 639229308115194575
142 ms 192.203.136.10
54 2026-08-21 17:29 639229298320320558
24 ms 192.203.136.10
53 2026-08-21 17:13 639229288674863221
117 ms 192.203.136.10
52 2026-08-21 16:57 639229278983677079
260 ms 192.203.136.10
51 2026-08-21 16:41 639229269405517175
7 ms 192.203.136.10
50 2026-08-21 16:25 639229259594798244
104 ms 192.203.136.10
49 2026-08-21 16:08 639229249736681188
126 ms 192.203.136.10
48 2026-08-21 15:52 639229239699417787
2132 ms 192.203.136.10
47 2026-08-21 15:35 639229229621964033
151 ms 192.203.136.10
46 2026-08-21 15:18 639229219567270965
2138 ms 192.203.136.10
45 2026-08-21 15:01 639229209406666856
161 ms 192.203.136.10
44 2026-08-21 14:09 639229177815876178
23 ms 192.203.136.10
43 2026-08-21 13:52 639229168243572685
242 ms 192.203.136.10
42 2026-08-21 13:36 639229158599856475
132 ms 192.203.136.10
41 2026-08-21 13:20 639229148998940902
2012 ms 192.203.136.10
40 2026-08-21 13:04 639229139276923594
31 ms 192.203.136.10
39 2026-08-21 12:48 639229129709912394
138 ms 192.203.136.10
38 2026-08-21 12:32 639229119801488500
8 ms 192.203.136.10
37 2026-08-21 12:16 639229110135262458
244 ms 192.203.136.10
36 2026-08-21 11:59 639229100336051392
111 ms 192.203.136.10
35 2026-08-21 11:43 639229090641415626
240 ms 192.203.136.10
34 2026-08-21 11:27 639229080702683947
14 ms 192.203.136.10
33 2026-08-21 11:10 639229070601456699
121 ms 192.203.136.10
32 2026-08-21 10:17 639229038947447232
265 ms 192.203.136.10
31 2026-08-21 10:01 639229029268708773
125 ms 192.203.136.10
30 2026-08-21 09:45 639229019647910603
46 ms 192.203.136.10
29 2026-08-21 09:29 639229009983843738
124 ms 192.203.136.10
28 2026-08-21 09:13 639229000203331882
18 ms 192.203.136.10
27 2026-08-21 08:56 639228990302335999
17 ms 192.203.136.10
26 2026-08-21 08:40 639228980567740722
226 ms 192.203.136.10
25 2026-08-21 08:23 639228970762445174
23 ms 192.203.136.10
24 2026-08-21 08:07 639228961065054445
13 ms 192.203.136.10
23 2026-08-21 07:51 639228951224649885
14 ms 192.203.136.10
22 2026-08-21 07:34 639228941303864592
32 ms 192.203.136.10
21 2026-08-21 07:17 639228931191328583
260 ms 192.203.136.10
20 2026-08-21 06:25 639228899518173317
115 ms 192.203.136.10
19 2026-08-21 06:08 639228889785027669
3 ms 192.203.136.10
18 2026-08-21 05:52 639228880106330161
223 ms 192.203.136.10
17 2026-08-21 05:36 639228870316184091
153 ms 192.203.136.10
16 2026-08-21 05:20 639228860695366512
124 ms 192.203.136.10
15 2026-08-21 05:04 639228851027209500
198 ms 192.203.136.10
14 2026-08-21 04:48 639228841479265462
126 ms 192.203.136.10
13 2026-08-21 04:32 639228831752962260
247 ms 192.203.136.10
12 2026-08-21 04:15 639228821953295483
104 ms 192.203.136.10
11 2026-08-21 03:59 639228812227429953
112 ms 192.203.136.10
10 2026-08-21 03:43 639228802476107538
158 ms 192.203.136.10
9 2026-08-21 03:26 639228792525492032
31 ms 192.203.136.10
8 2026-08-21 02:34 639228761131421385
236 ms 192.203.136.10
7 2026-08-21 02:18 639228751571206692
143 ms 192.203.136.10
6 2026-08-21 02:02 639228741705571019
46 ms 192.203.136.10
5 2026-08-21 01:45 639228731642208228
113 ms 192.203.136.10
4 2026-08-21 00:53 639228700387002072
208 ms 192.203.136.10
3 2026-08-21 00:37 639228690742014433
2022 ms 192.203.136.10
2 2026-08-21 00:20 639228680877937122
113 ms 192.203.136.10
1 2026-08-21 00:03 639228670775860800
2018 ms 192.203.136.10