DNS response history for 3002-s251-ens1.ucsf.edu

3002-s251-ens1.ucsf.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 2026-08-31. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 309 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 3002-s251-ens1.ucsf.edu.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

309 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-31 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

64.54.201.74

Most recently resolved hosting IP on selected date

Successful Responses

71

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 3002-s251-ens1.ucsf.edu

Showing DNS history for 2026-08-31 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
71 2026-08-31 23:48 639238164117437727
175 ms 64.54.201.74
70 2026-08-31 23:30 639238153343647435
2013 ms 64.54.201.74
69 2026-08-31 23:12 639238142520473714
2007 ms 64.54.201.74
68 2026-08-31 22:54 639238131745466751
316 ms 64.54.201.74
67 2026-08-31 22:36 639238120990576799
159 ms 64.54.201.74
66 2026-08-31 21:43 639238088948639656
8 ms 64.54.201.74
65 2026-08-31 21:26 639238078451435617
174 ms 64.54.201.74
64 2026-08-31 21:08 639238067818407820
182 ms 64.54.201.74
63 2026-08-31 20:50 639238057337242425
162 ms 64.54.201.74
62 2026-08-31 20:33 639238046718231047
170 ms 64.54.201.74
61 2026-08-31 20:15 639238036493480692
181 ms 64.54.201.74
60 2026-08-31 19:58 639238026138697113
201 ms 64.54.201.74
59 2026-08-31 19:41 639238015790028644
8 ms 64.54.201.74
58 2026-08-31 19:24 639238005382709909
10 ms 64.54.201.74
57 2026-08-31 19:07 639237995139195097
200 ms 64.54.201.74
56 2026-08-31 18:49 639237984659733710
193 ms 64.54.201.74
55 2026-08-31 18:32 639237974142394595
177 ms 64.54.201.74
54 2026-08-31 17:38 639237941910348424
167 ms 64.54.201.74
53 2026-08-31 17:21 639237931681671742
182 ms 64.54.201.74
52 2026-08-31 17:04 639237921365566692
174 ms 64.54.201.74
51 2026-08-31 16:46 639237910991948788
163 ms 64.54.201.74
50 2026-08-31 16:29 639237900605596198
2009 ms 64.54.201.74
49 2026-08-31 16:12 639237890356235470
170 ms 64.54.201.74
48 2026-08-31 15:55 639237879936204342
189 ms 64.54.201.74
47 2026-08-31 15:37 639237869543741197
9 ms 64.54.201.74
46 2026-08-31 15:20 639237859138790045
168 ms 64.54.201.74
45 2026-08-31 15:03 639237848640463709
169 ms 64.54.201.74
44 2026-08-31 14:45 639237838098800325
168 ms 64.54.201.74
43 2026-08-31 14:27 639237827433935375
166 ms 64.54.201.74
42 2026-08-31 13:33 639237794785519897
164 ms 64.54.201.74
41 2026-08-31 13:15 639237784474116679
164 ms 64.54.201.74
40 2026-08-31 12:58 639237773965397189
166 ms 64.54.201.74
39 2026-08-31 12:41 639237763588542721
193 ms 64.54.201.74
38 2026-08-31 12:23 639237753225101103
297 ms 64.54.201.74
37 2026-08-31 12:06 639237742927117371
159 ms 64.54.201.74
36 2026-08-31 11:49 639237732538256235
166 ms 64.54.201.74
35 2026-08-31 11:32 639237722025682013
336 ms 64.54.201.74
34 2026-08-31 11:14 639237711568720101
175 ms 64.54.201.74
33 2026-08-31 10:57 639237701119461876
171 ms 64.54.201.74
32 2026-08-31 10:39 639237690759595513
2014 ms 64.54.201.74
31 2026-08-31 10:22 639237680122296836
187 ms 64.54.201.74
30 2026-08-31 09:28 639237647999458954
197 ms 64.54.201.74
29 2026-08-31 09:11 639237637680951774
174 ms 64.54.201.74
28 2026-08-31 08:54 639237627437728712
181 ms 64.54.201.74
27 2026-08-31 08:37 639237617127808241
267 ms 64.54.201.74
26 2026-08-31 08:20 639237606990101394
178 ms 64.54.201.74
25 2026-08-31 08:02 639237596595480036
183 ms 64.54.201.74
24 2026-08-31 07:45 639237586261012001
209 ms 64.54.201.74
23 2026-08-31 07:28 639237576047657695
167 ms 64.54.201.74
22 2026-08-31 07:11 639237565832936443
333 ms 64.54.201.74
21 2026-08-31 06:54 639237555466329546
172 ms 64.54.201.74
20 2026-08-31 06:36 639237545032411072
41 ms 64.54.201.74
19 2026-08-31 06:19 639237534469438634
163 ms 64.54.201.74
18 2026-08-31 05:25 639237502279296801
2174 ms 64.54.201.74
17 2026-08-31 05:08 639237492362730124
320 ms 64.54.201.74
16 2026-08-31 04:52 639237482311584319
166 ms 64.54.201.74
15 2026-08-31 04:35 639237472150685594
182 ms 64.54.201.74
14 2026-08-31 04:18 639237462055295430
202 ms 64.54.201.74
13 2026-08-31 04:01 639237452089913890
165 ms 64.54.201.74
12 2026-08-31 03:45 639237441972654103
168 ms 64.54.201.74
11 2026-08-31 03:28 639237432052396478
165 ms 64.54.201.74
10 2026-08-31 03:11 639237422012990851
183 ms 64.54.201.74
9 2026-08-31 02:54 639237411889602012
168 ms 64.54.201.74
8 2026-08-31 02:37 639237401637354221
167 ms 64.54.201.74
7 2026-08-31 02:20 639237391412690360
174 ms 64.54.201.74
6 2026-08-31 01:28 639237359972957132
170 ms 64.54.201.74
5 2026-08-31 01:11 639237350032183979
166 ms 64.54.201.74
4 2026-08-31 00:55 639237340111452066
175 ms 64.54.201.74
3 2026-08-31 00:38 639237329967272514
162 ms 64.54.201.74
2 2026-08-31 00:21 639237319916508151
352 ms 64.54.201.74
1 2026-08-31 00:04 639237309944877243
188 ms 64.54.201.74