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 2026-08-08. For this date, NameServerHistory found 63 DNS check records, 62 successful responses, 1 failed responses, and 328 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

63

Historical checks stored for this nameserver on selected date

Average Latency

328 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:49

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

62

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-08 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
63 2026-08-08 23:49 639218291874134258
158 ms 137.110.222.8
62 2026-08-08 23:33 639218282817785496
185 ms 137.110.222.8
61 2026-08-08 22:42 639218252106422334
166 ms 137.110.222.8
60 2026-08-08 22:27 639218243323944113
163 ms 137.110.222.8
59 2026-08-08 22:13 639218234397020230
158 ms 137.110.222.8
58 2026-08-08 21:58 639218225412858763
163 ms 137.110.222.8
57 2026-08-08 20:59 639218194282616684
2181 ms 137.110.222.8
56 2026-08-08 20:44 639218185036989606
164 ms 137.110.222.8
55 2026-08-08 20:29 639218175974363575
-
54 2026-08-08 20:14 639218166972644815
185 ms 137.110.222.8
53 2026-08-08 19:22 639218135900313734
165 ms 137.110.222.8
52 2026-08-08 19:07 639218127088470726
2206 ms 137.110.222.8
51 2026-08-08 18:53 639218118310406743
196 ms 137.110.222.8
50 2026-08-08 18:38 639218109452520238
171 ms 137.110.222.8
49 2026-08-08 17:46 639218078440804962
165 ms 137.110.222.8
48 2026-08-08 17:32 639218069827056995
342 ms 137.110.222.8
47 2026-08-08 17:17 639218060928974999
2213 ms 137.110.222.8
46 2026-08-08 17:02 639218052072104591
171 ms 137.110.222.8
45 2026-08-08 16:10 639218021131612993
160 ms 137.110.222.8
44 2026-08-08 15:56 639218012544891033
2183 ms 137.110.222.8
43 2026-08-08 15:41 639218003733822367
196 ms 137.110.222.8
42 2026-08-08 15:27 639217994998349201
166 ms 137.110.222.8
41 2026-08-08 14:35 639217963788814319
174 ms 137.110.222.8
40 2026-08-08 14:20 639217955087396874
179 ms 137.110.222.8
39 2026-08-08 14:06 639217946350294952
187 ms 137.110.222.8
38 2026-08-08 13:51 639217937526020436
177 ms 137.110.222.8
37 2026-08-08 13:00 639217906769667024
43 ms 137.110.222.8
36 2026-08-08 12:45 639217898300938849
179 ms 137.110.222.8
35 2026-08-08 12:31 639217889778639925
183 ms 137.110.222.8
34 2026-08-08 12:17 639217881083065140
188 ms 137.110.222.8
33 2026-08-08 11:25 639217850620659312
172 ms 137.110.222.8
32 2026-08-08 11:11 639217841938624907
2178 ms 137.110.222.8
31 2026-08-08 10:57 639217833389546843
9 ms 137.110.222.8
30 2026-08-08 10:43 639217824846173945
177 ms 137.110.222.8
29 2026-08-08 09:51 639217793807292972
185 ms 137.110.222.8
28 2026-08-08 09:36 639217785208951403
159 ms 137.110.222.8
27 2026-08-08 09:22 639217776566534942
165 ms 137.110.222.8
26 2026-08-08 09:08 639217767935139326
198 ms 137.110.222.8
25 2026-08-08 08:16 639217737225367411
12 ms 137.110.222.8
24 2026-08-08 08:02 639217728765093674
181 ms 137.110.222.8
23 2026-08-08 07:48 639217720136905586
180 ms 137.110.222.8
22 2026-08-08 07:33 639217711410853004
161 ms 137.110.222.8
21 2026-08-08 06:42 639217680275549698
159 ms 137.110.222.8
20 2026-08-08 06:27 639217671340563867
163 ms 137.110.222.8
19 2026-08-08 06:13 639217662739829952
6 ms 137.110.222.8
18 2026-08-08 05:59 639217654129395144
213 ms 137.110.222.8
17 2026-08-08 05:08 639217623690502934
201 ms 137.110.222.8
16 2026-08-08 04:54 639217615180184169
186 ms 137.110.222.8
15 2026-08-08 04:40 639217606737293244
394 ms 137.110.222.8
14 2026-08-08 04:25 639217598089858483
199 ms 137.110.222.8
13 2026-08-08 03:34 639217567343169140
7 ms 137.110.222.8
12 2026-08-08 03:20 639217558743892856
175 ms 137.110.222.8
11 2026-08-08 03:05 639217550069823359
164 ms 137.110.222.8
10 2026-08-08 02:51 639217541571663863
166 ms 137.110.222.8
9 2026-08-08 02:05 639217510598671918
169 ms 137.110.222.8
8 2026-08-08 01:51 639217501853904641
162 ms 137.110.222.8
7 2026-08-08 01:36 639217492857464038
160 ms 137.110.222.8
6 2026-08-08 01:21 639217483935810845
158 ms 137.110.222.8
5 2026-08-08 01:07 639217475281344873
9 ms 137.110.222.8
4 2026-08-08 00:52 639217466591266473
180 ms 137.110.222.8
3 2026-08-08 00:38 639217457842031506
151 ms 137.110.222.8
2 2026-08-08 00:23 639217449192590684
162 ms 137.110.222.8
1 2026-08-08 00:09 639217440385817840
195 ms 137.110.222.8