DNS response history for harvard.ns.apps.study

harvard.ns.apps.study 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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 489 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 harvard.ns.apps.study.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

489 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.2.253

Most recently resolved hosting IP on selected date

Successful Responses

73

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 harvard.ns.apps.study

Showing DNS history for 2026-08-19 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
74 2026-08-19 23:45 639227795899225951
2028 ms 162.159.2.253
73 2026-08-19 23:29 639227786351762008
66 ms 162.159.2.253
72 2026-08-19 23:13 639227776640591733
36 ms 162.159.2.253
71 2026-08-19 22:57 639227767128841282
60 ms 162.159.2.253
70 2026-08-19 22:41 639227757477304711
31 ms 162.159.2.253
69 2026-08-19 22:24 639227747572098014
13 ms 162.159.2.253
68 2026-08-19 22:08 639227737588613113
1561 ms 162.159.2.253
67 2026-08-19 21:15 639227706134603955
34 ms 162.159.2.253
66 2026-08-19 21:00 639227696589027396
2115 ms 162.159.2.253
65 2026-08-19 20:44 639227687097707639
33 ms 162.159.2.253
64 2026-08-19 20:28 639227677474464487
41 ms 162.159.2.253
63 2026-08-19 20:12 639227667767441118
49 ms 162.159.2.253
62 2026-08-19 19:55 639227657984833832
2019 ms 162.159.2.253
61 2026-08-19 19:39 639227648079992640
32 ms 162.159.2.253
60 2026-08-19 19:22 639227638125048441
149 ms 162.159.2.253
59 2026-08-19 19:05 639227628211392142
13 ms 162.159.2.253
58 2026-08-19 18:49 639227618261696275
54 ms 162.159.2.253
57 2026-08-19 18:32 639227608366233645
22 ms 162.159.2.253
56 2026-08-19 18:16 639227598301787588
67 ms 162.159.2.253
55 2026-08-19 17:22 639227566241010716
47 ms 162.159.2.253
54 2026-08-19 17:06 639227556454538959
2052 ms 162.159.2.253
53 2026-08-19 16:50 639227546640305542
33 ms 162.159.2.253
52 2026-08-19 16:33 639227536965466472
6 ms 162.159.2.253
51 2026-08-19 16:17 639227527048658280
-
50 2026-08-19 16:01 639227517386634438
30 ms 162.159.2.253
49 2026-08-19 15:44 639227507459551637
111 ms 162.159.2.253
48 2026-08-19 15:28 639227497515595277
3563 ms 162.159.2.253
47 2026-08-19 15:11 639227487441798036
25 ms 162.159.2.253
46 2026-08-19 14:54 639227477445551863
11 ms 162.159.2.253
45 2026-08-19 14:37 639227467297067891
56 ms 162.159.2.253
44 2026-08-19 14:20 639227457057795635
70 ms 162.159.2.253
43 2026-08-19 13:27 639227425244777397
37 ms 162.159.2.253
42 2026-08-19 13:11 639227415422116485
23 ms 162.159.2.253
41 2026-08-19 12:54 639227405307256053
28 ms 162.159.2.253
40 2026-08-19 12:37 639227395396602630
27 ms 162.159.2.253
39 2026-08-19 12:21 639227385510363611
26 ms 162.159.2.253
38 2026-08-19 12:04 639227375508324850
1560 ms 162.159.2.253
37 2026-08-19 11:47 639227365326611906
36 ms 162.159.2.253
36 2026-08-19 11:31 639227355360014208
45 ms 162.159.2.253
35 2026-08-19 11:14 639227345036782165
52 ms 162.159.2.253
34 2026-08-19 10:57 639227334992964533
76 ms 162.159.2.253
33 2026-08-19 10:40 639227324986605572
32 ms 162.159.2.253
32 2026-08-19 10:23 639227314928414539
29 ms 162.159.2.253
31 2026-08-19 09:30 639227283029182134
47 ms 162.159.2.253
30 2026-08-19 09:14 639227273294779350
2018 ms 162.159.2.253
29 2026-08-19 08:58 639227263525231313
64 ms 162.159.2.253
28 2026-08-19 08:41 639227253578313363
64 ms 162.159.2.253
27 2026-08-19 08:24 639227243649973322
35 ms 162.159.2.253
26 2026-08-19 08:08 639227233581059317
34 ms 162.159.2.253
25 2026-08-19 07:51 639227223667352067
2045 ms 162.159.2.253
24 2026-08-19 07:35 639227213714837066
28 ms 162.159.2.253
23 2026-08-19 07:18 639227203701208496
39 ms 162.159.2.253
22 2026-08-19 07:01 639227193643202179
35 ms 162.159.2.253
21 2026-08-19 06:44 639227183584431597
43 ms 162.159.2.253
20 2026-08-19 06:28 639227173347403088
2031 ms 162.159.2.253
19 2026-08-19 05:34 639227141523007601
12 ms 162.159.2.253
18 2026-08-19 05:18 639227131785931574
71 ms 162.159.2.253
17 2026-08-19 05:02 639227122176475389
59 ms 162.159.2.253
16 2026-08-19 04:46 639227112668934596
63 ms 162.159.2.253
15 2026-08-19 04:30 639227102773292788
21 ms 162.159.2.253
14 2026-08-19 04:14 639227093141136930
26 ms 162.159.2.253
13 2026-08-19 03:57 639227083449420147
25 ms 162.159.2.253
12 2026-08-19 03:41 639227073771748493
79 ms 162.159.2.253
11 2026-08-19 03:25 639227063977347614
50 ms 162.159.2.253
10 2026-08-19 03:09 639227054253519024
2030 ms 162.159.2.253
9 2026-08-19 02:52 639227044381963886
49 ms 162.159.2.253
8 2026-08-19 02:36 639227034441085514
26 ms 162.159.2.253
7 2026-08-19 01:44 639227003126489968
4036 ms 162.159.2.253
6 2026-08-19 01:28 639226993456311614
2020 ms 162.159.2.253
5 2026-08-19 01:12 639226983847312345
39 ms 162.159.2.253
4 2026-08-19 00:56 639226974357874853
2047 ms 162.159.2.253
3 2026-08-19 00:40 639226964670484721
2028 ms 162.159.2.253
2 2026-08-19 00:23 639226954857899696
116 ms 162.159.2.253
1 2026-08-19 00:07 639226945091603488
32 ms 162.159.2.253