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 2026-08-16. For this date, NameServerHistory found 61 DNS check records, 61 successful responses, 0 failed responses, and 448 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

61

Historical checks stored for this nameserver on selected date

Average Latency

448 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:54

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

61

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 2026-08-16 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
61 2026-08-16 23:54 639225207490611656
209 ms 137.110.222.8
60 2026-08-16 23:38 639225198045815385
183 ms 137.110.222.8
59 2026-08-16 22:46 639225166825544741
154 ms 137.110.222.8
58 2026-08-16 22:30 639225157549461269
2159 ms 137.110.222.8
57 2026-08-16 22:14 639225147914556308
9 ms 137.110.222.8
56 2026-08-16 21:59 639225138472322960
158 ms 137.110.222.8
55 2026-08-16 21:07 639225107211236826
160 ms 137.110.222.8
54 2026-08-16 20:51 639225097684457510
154 ms 137.110.222.8
53 2026-08-16 20:35 639225087942913396
171 ms 137.110.222.8
52 2026-08-16 20:18 639225078238684183
176 ms 137.110.222.8
51 2026-08-16 19:26 639225046944151094
2179 ms 137.110.222.8
50 2026-08-16 19:10 639225037234857231
170 ms 137.110.222.8
49 2026-08-16 18:54 639225027423459920
157 ms 137.110.222.8
48 2026-08-16 18:38 639225017891613027
156 ms 137.110.222.8
47 2026-08-16 17:44 639224986298183527
173 ms 137.110.222.8
46 2026-08-16 17:28 639224976567107023
160 ms 137.110.222.8
45 2026-08-16 17:12 639224966709723386
2338 ms 137.110.222.8
44 2026-08-16 16:56 639224957175756942
2158 ms 137.110.222.8
43 2026-08-16 16:04 639224925782379869
160 ms 137.110.222.8
42 2026-08-16 15:48 639224916429532459
185 ms 137.110.222.8
41 2026-08-16 15:32 639224906878325623
170 ms 137.110.222.8
40 2026-08-16 15:16 639224897258974385
166 ms 137.110.222.8
39 2026-08-16 14:24 639224866169532828
158 ms 137.110.222.8
38 2026-08-16 14:08 639224856561831915
159 ms 137.110.222.8
37 2026-08-16 13:52 639224846830897794
2160 ms 137.110.222.8
36 2026-08-16 13:36 639224836975863283
174 ms 137.110.222.8
35 2026-08-16 12:43 639224804985340946
161 ms 137.110.222.8
34 2026-08-16 12:27 639224795567782333
164 ms 137.110.222.8
33 2026-08-16 12:11 639224785914225250
164 ms 137.110.222.8
32 2026-08-16 11:55 639224776383854998
158 ms 137.110.222.8
31 2026-08-16 11:02 639224744252113993
193 ms 137.110.222.8
30 2026-08-16 10:45 639224734238905542
2182 ms 137.110.222.8
29 2026-08-16 10:29 639224724335031221
154 ms 137.110.222.8
28 2026-08-16 10:12 639224714475244430
171 ms 137.110.222.8
27 2026-08-16 09:16 639224681063874153
4 ms 137.110.222.8
26 2026-08-16 09:00 639224671038956665
156 ms 137.110.222.8
25 2026-08-16 08:43 639224661079806122
153 ms 137.110.222.8
24 2026-08-16 08:26 639224651169993038
161 ms 137.110.222.8
23 2026-08-16 07:32 639224618882283050
164 ms 137.110.222.8
22 2026-08-16 07:17 639224609519965372
152 ms 137.110.222.8
21 2026-08-16 07:01 639224599969658888
155 ms 137.110.222.8
20 2026-08-16 06:45 639224590360343307
164 ms 137.110.222.8
19 2026-08-16 05:53 639224558901831832
155 ms 137.110.222.8
18 2026-08-16 05:37 639224549678210576
162 ms 137.110.222.8
17 2026-08-16 05:22 639224540433420642
161 ms 137.110.222.8
16 2026-08-16 05:06 639224531046032443
160 ms 137.110.222.8
15 2026-08-16 04:14 639224499638024410
173 ms 137.110.222.8
14 2026-08-16 03:58 639224490358783451
194 ms 137.110.222.8
13 2026-08-16 03:43 639224481111410545
191 ms 137.110.222.8
12 2026-08-16 03:27 639224471809153772
8 ms 137.110.222.8
11 2026-08-16 02:34 639224440124457324
2014 ms 137.110.222.8
10 2026-08-16 02:19 639224430921105721
201 ms 137.110.222.8
9 2026-08-16 02:03 639224421455433103
166 ms 137.110.222.8
8 2026-08-16 01:47 639224412089740331
167 ms 137.110.222.8
7 2026-08-16 01:32 639224403168392868
168 ms 137.110.222.8
6 2026-08-16 01:17 639224393856251387
213 ms 137.110.222.8
5 2026-08-16 01:01 639224384677141438
12 ms 137.110.222.8
4 2026-08-16 00:46 639224375597986398
16 ms 137.110.222.8
3 2026-08-16 00:31 639224366430296466
2173 ms 137.110.222.8
2 2026-08-16 00:16 639224357218176789
2009 ms 137.110.222.8
1 2026-08-16 00:00 639224347685767174
156 ms 137.110.222.8