DNS response history for ctrl.ucsd.edu

ctrl.ucsd.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 2026-08-14. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 388 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 ctrl.ucsd.edu.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

388 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-14 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

137.110.222.8

Most recently resolved hosting IP on selected date

Successful Responses

76

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 ctrl.ucsd.edu

Showing DNS history for 2026-08-14 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
77 2026-08-14 23:50 639223477272309567
160 ms 137.110.222.8
76 2026-08-14 23:34 639223467876800215
197 ms 137.110.222.8
75 2026-08-14 23:19 639223458466733344
187 ms 137.110.222.8
74 2026-08-14 23:03 639223449196197019
155 ms 137.110.222.8
73 2026-08-14 22:47 639223439729973302
7 ms 137.110.222.8
72 2026-08-14 22:32 639223430298973377
2176 ms 137.110.222.8
71 2026-08-14 22:16 639223420812183061
2146 ms 137.110.222.8
70 2026-08-14 22:00 639223411307572360
194 ms 137.110.222.8
69 2026-08-14 21:44 639223401895099116
185 ms 137.110.222.8
68 2026-08-14 20:51 639223370328282191
162 ms 137.110.222.8
67 2026-08-14 20:35 639223361156898888
-
66 2026-08-14 20:20 639223351683501109
324 ms 137.110.222.8
65 2026-08-14 20:04 639223342485908428
157 ms 137.110.222.8
64 2026-08-14 19:49 639223333113923772
160 ms 137.110.222.8
63 2026-08-14 19:33 639223323766820131
160 ms 137.110.222.8
62 2026-08-14 19:17 639223314500774279
178 ms 137.110.222.8
61 2026-08-14 19:02 639223305225877159
158 ms 137.110.222.8
60 2026-08-14 18:47 639223295834845965
23 ms 137.110.222.8
59 2026-08-14 18:31 639223286312006616
5 ms 137.110.222.8
58 2026-08-14 18:15 639223276659010988
164 ms 137.110.222.8
57 2026-08-14 17:59 639223267203892251
179 ms 137.110.222.8
56 2026-08-14 17:06 639223235652723921
173 ms 137.110.222.8
55 2026-08-14 16:51 639223226156684619
167 ms 137.110.222.8
54 2026-08-14 16:35 639223216737677817
152 ms 137.110.222.8
53 2026-08-14 16:19 639223207303987036
166 ms 137.110.222.8
52 2026-08-14 16:04 639223197972369650
159 ms 137.110.222.8
51 2026-08-14 15:48 639223188476518684
177 ms 137.110.222.8
50 2026-08-14 15:32 639223179029668254
22 ms 137.110.222.8
49 2026-08-14 15:16 639223169668684371
165 ms 137.110.222.8
48 2026-08-14 15:01 639223160270013058
176 ms 137.110.222.8
47 2026-08-14 14:45 639223150848386507
194 ms 137.110.222.8
46 2026-08-14 14:29 639223141514160124
157 ms 137.110.222.8
45 2026-08-14 14:14 639223131908897269
171 ms 137.110.222.8
44 2026-08-14 13:19 639223100084750932
183 ms 137.110.222.8
43 2026-08-14 13:03 639223090744921973
233 ms 137.110.222.8
42 2026-08-14 12:48 639223081343134137
2451 ms 137.110.222.8
41 2026-08-14 12:32 639223071917003603
2017 ms 137.110.222.8
40 2026-08-14 12:17 639223062407395043
170 ms 137.110.222.8
39 2026-08-14 12:01 639223052970600447
176 ms 137.110.222.8
38 2026-08-14 11:45 639223043584242187
2192 ms 137.110.222.8
37 2026-08-14 11:29 639223034248611856
191 ms 137.110.222.8
36 2026-08-14 11:14 639223024816175094
403 ms 137.110.222.8
35 2026-08-14 10:58 639223015278211871
2163 ms 137.110.222.8
34 2026-08-14 10:42 639223005387568522
2174 ms 137.110.222.8
33 2026-08-14 10:26 639222995944735037
185 ms 137.110.222.8
32 2026-08-14 09:33 639222964532402826
163 ms 137.110.222.8
31 2026-08-14 09:18 639222955031971579
162 ms 137.110.222.8
30 2026-08-14 09:02 639222945616352079
182 ms 137.110.222.8
29 2026-08-14 08:46 639222936296615644
2185 ms 137.110.222.8
28 2026-08-14 08:31 639222926913151746
164 ms 137.110.222.8
27 2026-08-14 08:15 639222917608375722
209 ms 137.110.222.8
26 2026-08-14 07:59 639222908294448500
163 ms 137.110.222.8
25 2026-08-14 07:44 639222898918389753
198 ms 137.110.222.8
24 2026-08-14 07:28 639222889625876211
159 ms 137.110.222.8
23 2026-08-14 07:13 639222880353707528
191 ms 137.110.222.8
22 2026-08-14 06:57 639222871065611259
189 ms 137.110.222.8
21 2026-08-14 06:42 639222861517093112
197 ms 137.110.222.8
20 2026-08-14 05:50 639222830182717637
167 ms 137.110.222.8
19 2026-08-14 05:34 639222820714737422
319 ms 137.110.222.8
18 2026-08-14 05:18 639222811404284741
166 ms 137.110.222.8
17 2026-08-14 05:03 639222801994952240
238 ms 137.110.222.8
16 2026-08-14 04:47 639222792581940911
204 ms 137.110.222.8
15 2026-08-14 04:31 639222783296631220
171 ms 137.110.222.8
14 2026-08-14 04:16 639222773909528001
161 ms 137.110.222.8
13 2026-08-14 04:00 639222764574707991
164 ms 137.110.222.8
12 2026-08-14 03:44 639222754982758281
181 ms 137.110.222.8
11 2026-08-14 03:29 639222745650144239
157 ms 137.110.222.8
10 2026-08-14 03:13 639222736060223018
217 ms 137.110.222.8
9 2026-08-14 02:57 639222726529271510
160 ms 137.110.222.8
8 2026-08-14 02:04 639222694791257846
250 ms 137.110.222.8
7 2026-08-14 01:49 639222685350317820
196 ms 137.110.222.8
6 2026-08-14 01:33 639222675895178560
240 ms 137.110.222.8
5 2026-08-14 01:17 639222666344182743
50 ms 137.110.222.8
4 2026-08-14 01:01 639222656762316965
227 ms 137.110.222.8
3 2026-08-14 00:45 639222647109404695
169 ms 137.110.222.8
2 2026-08-14 00:29 639222637659944389
228 ms 137.110.222.8
1 2026-08-14 00:13 639222628151417313
174 ms 137.110.222.8