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 2026-08-10. For this date, NameServerHistory found 81 DNS check records, 81 successful responses, 0 failed responses, and 338 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

81

Historical checks stored for this nameserver on selected date

Average Latency

338 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:45

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

81

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 ctrl.ucsd.edu

Showing DNS history for 2026-08-10 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
81 2026-08-10 23:45 639220018272941900
170 ms 137.110.222.8
80 2026-08-10 23:29 639220009109892969
42 ms 137.110.222.8
79 2026-08-10 23:14 639220000040489788
161 ms 137.110.222.8
78 2026-08-10 22:59 639219991197135747
2047 ms 137.110.222.8
77 2026-08-10 22:44 639219982104540014
322 ms 137.110.222.8
76 2026-08-10 22:29 639219973150300215
304 ms 137.110.222.8
75 2026-08-10 22:14 639219964188486697
178 ms 137.110.222.8
74 2026-08-10 21:59 639219954995921784
154 ms 137.110.222.8
73 2026-08-10 21:44 639219945559908104
265 ms 137.110.222.8
72 2026-08-10 20:51 639219914137782273
157 ms 137.110.222.8
71 2026-08-10 20:36 639219904858355064
166 ms 137.110.222.8
70 2026-08-10 20:20 639219895655263396
2182 ms 137.110.222.8
69 2026-08-10 20:05 639219886527091074
9 ms 137.110.222.8
68 2026-08-10 19:50 639219877343266628
164 ms 137.110.222.8
67 2026-08-10 19:34 639219868177358195
155 ms 137.110.222.8
66 2026-08-10 19:19 639219859159581515
218 ms 137.110.222.8
65 2026-08-10 19:04 639219850124020182
213 ms 137.110.222.8
64 2026-08-10 18:49 639219840940124840
172 ms 137.110.222.8
63 2026-08-10 18:33 639219831829876486
174 ms 137.110.222.8
62 2026-08-10 18:18 639219822587759143
182 ms 137.110.222.8
61 2026-08-10 18:03 639219813247114428
157 ms 137.110.222.8
60 2026-08-10 17:11 639219781959606396
161 ms 137.110.222.8
59 2026-08-10 16:55 639219772658305431
25 ms 137.110.222.8
58 2026-08-10 16:40 639219763454523027
214 ms 137.110.222.8
57 2026-08-10 16:25 639219754279127815
2222 ms 137.110.222.8
56 2026-08-10 16:09 639219745087467767
162 ms 137.110.222.8
55 2026-08-10 15:54 639219735900678107
158 ms 137.110.222.8
54 2026-08-10 15:38 639219726531461979
164 ms 137.110.222.8
53 2026-08-10 15:23 639219717415222156
163 ms 137.110.222.8
52 2026-08-10 15:08 639219708266470863
304 ms 137.110.222.8
51 2026-08-10 14:52 639219699049479559
169 ms 137.110.222.8
50 2026-08-10 14:37 639219689775815194
183 ms 137.110.222.8
49 2026-08-10 14:22 639219680511810632
159 ms 137.110.222.8
48 2026-08-10 13:29 639219648997191257
190 ms 137.110.222.8
47 2026-08-10 13:14 639219639938909436
159 ms 137.110.222.8
46 2026-08-10 12:59 639219630718286441
162 ms 137.110.222.8
45 2026-08-10 12:43 639219621472350410
326 ms 137.110.222.8
44 2026-08-10 12:28 639219612500421992
2146 ms 137.110.222.8
43 2026-08-10 12:13 639219603383833445
165 ms 137.110.222.8
42 2026-08-10 11:57 639219594143823358
162 ms 137.110.222.8
41 2026-08-10 11:42 639219585053166024
244 ms 137.110.222.8
40 2026-08-10 11:27 639219575885776644
149 ms 137.110.222.8
39 2026-08-10 11:12 639219566844532361
171 ms 137.110.222.8
38 2026-08-10 10:57 639219557705808294
174 ms 137.110.222.8
37 2026-08-10 10:41 639219548482688649
339 ms 137.110.222.8
36 2026-08-10 09:51 639219517492763539
190 ms 137.110.222.8
35 2026-08-10 09:36 639219508755773605
175 ms 137.110.222.8
34 2026-08-10 09:21 639219499852103863
161 ms 137.110.222.8
33 2026-08-10 09:06 639219490893714387
165 ms 137.110.222.8
32 2026-08-10 08:52 639219482299305521
174 ms 137.110.222.8
31 2026-08-10 08:37 639219473613114853
159 ms 137.110.222.8
30 2026-08-10 08:23 639219465061138643
156 ms 137.110.222.8
29 2026-08-10 08:09 639219456616129015
14 ms 137.110.222.8
28 2026-08-10 07:55 639219447974008557
159 ms 137.110.222.8
27 2026-08-10 07:40 639219439498255213
160 ms 137.110.222.8
26 2026-08-10 07:26 639219430664872256
9 ms 137.110.222.8
25 2026-08-10 07:11 639219421757560037
161 ms 137.110.222.8
24 2026-08-10 06:18 639219390773218684
158 ms 137.110.222.8
23 2026-08-10 06:04 639219382205367722
36 ms 137.110.222.8
22 2026-08-10 05:49 639219373711937615
334 ms 137.110.222.8
21 2026-08-10 05:35 639219365088558404
195 ms 137.110.222.8
20 2026-08-10 05:21 639219356348833255
2171 ms 137.110.222.8
19 2026-08-10 05:06 639219347860053478
2174 ms 137.110.222.8
18 2026-08-10 04:52 639219339173195121
184 ms 137.110.222.8
17 2026-08-10 04:38 639219330642664669
220 ms 137.110.222.8
16 2026-08-10 04:23 639219322058698995
159 ms 137.110.222.8
15 2026-08-10 04:09 639219313564344199
219 ms 137.110.222.8
14 2026-08-10 03:55 639219304775113236
2169 ms 137.110.222.8
13 2026-08-10 03:40 639219295706181119
174 ms 137.110.222.8
12 2026-08-10 02:49 639219264663923254
8 ms 137.110.222.8
11 2026-08-10 02:34 639219256015178099
160 ms 137.110.222.8
10 2026-08-10 02:20 639219247509540188
27 ms 137.110.222.8
9 2026-08-10 02:06 639219238999539092
176 ms 137.110.222.8
8 2026-08-10 01:51 639219230498823902
195 ms 137.110.222.8
7 2026-08-10 01:37 639219221706460911
166 ms 137.110.222.8
6 2026-08-10 01:23 639219212930606887
3 ms 137.110.222.8
5 2026-08-10 01:08 639219204307908525
168 ms 137.110.222.8
4 2026-08-10 00:54 639219195720181470
3 ms 137.110.222.8
3 2026-08-10 00:39 639219186898174002
171 ms 137.110.222.8
2 2026-08-10 00:24 639219178004946976
180 ms 137.110.222.8
1 2026-08-10 00:09 639219168958805474
157 ms 137.110.222.8