History for ndcnetnse1.tch.harvard.edu
Domain: harvard.edu • Tracking since 2026-08-04 23:25 UTC
DNS response history for ndcnetnse1.tch.harvard.edu
ndcnetnse1.tch.harvard.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 2026-08-25. For this date, NameServerHistory found 58 DNS check records, 58 successful responses, 0 failed responses, and 212 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 ndcnetnse1.tch.harvard.edu.
Records on Selected Date
58
Historical checks stored for this nameserver on selected date
Average Latency
212 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 20:12
All timestamps shown in UTC
Latest Resolved IP on Selected Date
134.174.21.140
Most recently resolved hosting IP on selected date
Successful Responses
58
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 ndcnetnse1.tch.harvard.edu
Showing DNS history for 2026-08-25 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 |
|---|---|---|---|---|---|
| 58 | 2026-08-25 20:12 | 639232848992244953 |
|
132 ms | 134.174.21.140 |
| 57 | 2026-08-25 19:54 | 639232838596478500 |
|
115 ms | 134.174.21.140 |
| 56 | 2026-08-25 19:37 | 639232828175327683 |
|
110 ms | 134.174.21.140 |
| 55 | 2026-08-25 19:20 | 639232817798330473 |
|
117 ms | 134.174.21.140 |
| 54 | 2026-08-25 18:26 | 639232785462407552 |
|
116 ms | 134.174.21.140 |
| 53 | 2026-08-25 18:09 | 639232775177487032 |
|
113 ms | 134.174.21.140 |
| 52 | 2026-08-25 17:51 | 639232764991087115 |
|
233 ms | 134.174.21.140 |
| 51 | 2026-08-25 17:35 | 639232754842971478 |
|
120 ms | 134.174.21.140 |
| 50 | 2026-08-25 17:18 | 639232744455159107 |
|
121 ms | 134.174.21.140 |
| 49 | 2026-08-25 17:00 | 639232734145178231 |
|
115 ms | 134.174.21.140 |
| 48 | 2026-08-25 16:43 | 639232723827874402 |
|
113 ms | 134.174.21.140 |
| 47 | 2026-08-25 16:26 | 639232713533011892 |
|
115 ms | 134.174.21.140 |
| 46 | 2026-08-25 16:09 | 639232703065318207 |
|
126 ms | 134.174.21.140 |
| 45 | 2026-08-25 15:51 | 639232692629559470 |
|
121 ms | 134.174.21.140 |
| 44 | 2026-08-25 15:34 | 639232682238836475 |
|
118 ms | 134.174.21.140 |
| 43 | 2026-08-25 15:16 | 639232671787004306 |
|
2096 ms | 134.174.21.140 |
| 42 | 2026-08-25 14:22 | 639232638994329666 |
|
231 ms | 134.174.21.140 |
| 41 | 2026-08-25 14:04 | 639232628614783237 |
|
111 ms | 134.174.21.140 |
| 40 | 2026-08-25 13:47 | 639232618360728578 |
|
226 ms | 134.174.21.140 |
| 39 | 2026-08-25 13:30 | 639232608016476376 |
|
114 ms | 134.174.21.140 |
| 38 | 2026-08-25 13:13 | 639232597643611557 |
|
12 ms | 134.174.21.140 |
| 37 | 2026-08-25 12:55 | 639232587225721862 |
|
125 ms | 134.174.21.140 |
| 36 | 2026-08-25 12:38 | 639232576780683689 |
|
233 ms | 134.174.21.140 |
| 35 | 2026-08-25 12:21 | 639232566381512620 |
|
121 ms | 134.174.21.140 |
| 34 | 2026-08-25 12:03 | 639232556111768563 |
|
117 ms | 134.174.21.140 |
| 33 | 2026-08-25 11:46 | 639232545839529039 |
|
8 ms | 134.174.21.140 |
| 32 | 2026-08-25 11:29 | 639232535349285207 |
|
230 ms | 134.174.21.140 |
| 31 | 2026-08-25 11:12 | 639232524938080723 |
|
227 ms | 134.174.21.140 |
| 30 | 2026-08-25 10:18 | 639232492740373468 |
|
232 ms | 134.174.21.140 |
| 29 | 2026-08-25 10:01 | 639232482235303141 |
|
111 ms | 134.174.21.140 |
| 28 | 2026-08-25 09:43 | 639232471861770303 |
|
238 ms | 134.174.21.140 |
| 27 | 2026-08-25 09:26 | 639232461630217327 |
|
123 ms | 134.174.21.140 |
| 26 | 2026-08-25 09:09 | 639232451282965990 |
|
228 ms | 134.174.21.140 |
| 25 | 2026-08-25 08:51 | 639232440814614938 |
|
224 ms | 134.174.21.140 |
| 24 | 2026-08-25 08:34 | 639232430410720425 |
|
118 ms | 134.174.21.140 |
| 23 | 2026-08-25 08:17 | 639232420003096185 |
|
117 ms | 134.174.21.140 |
| 22 | 2026-08-25 07:59 | 639232409467287444 |
|
231 ms | 134.174.21.140 |
| 21 | 2026-08-25 07:42 | 639232399077195997 |
|
7 ms | 134.174.21.140 |
| 20 | 2026-08-25 07:25 | 639232388731528337 |
|
233 ms | 134.174.21.140 |
| 19 | 2026-08-25 07:07 | 639232378288598612 |
|
225 ms | 134.174.21.140 |
| 18 | 2026-08-25 06:14 | 639232346196373643 |
|
115 ms | 134.174.21.140 |
| 17 | 2026-08-25 05:57 | 639232336112370741 |
|
107 ms | 134.174.21.140 |
| 16 | 2026-08-25 05:40 | 639232326146508970 |
|
131 ms | 134.174.21.140 |
| 15 | 2026-08-25 05:23 | 639232316189381720 |
|
113 ms | 134.174.21.140 |
| 14 | 2026-08-25 05:07 | 639232306217998913 |
|
234 ms | 134.174.21.140 |
| 13 | 2026-08-25 04:50 | 639232296255744174 |
|
122 ms | 134.174.21.140 |
| 12 | 2026-08-25 04:33 | 639232286095760789 |
|
438 ms | 134.174.21.140 |
| 11 | 2026-08-25 04:16 | 639232276086186273 |
|
229 ms | 134.174.21.140 |
| 10 | 2026-08-25 04:00 | 639232265900986425 |
|
3 ms | 134.174.21.140 |
| 9 | 2026-08-25 03:43 | 639232255723518075 |
|
221 ms | 134.174.21.140 |
| 8 | 2026-08-25 03:26 | 639232245484452890 |
|
2175 ms | 134.174.21.140 |
| 7 | 2026-08-25 03:09 | 639232235157175331 |
|
120 ms | 134.174.21.140 |
| 6 | 2026-08-25 02:15 | 639232203197189095 |
|
116 ms | 134.174.21.140 |
| 5 | 2026-08-25 01:58 | 639232192844564298 |
|
2 ms | 134.174.21.140 |
| 4 | 2026-08-25 01:41 | 639232182496008942 |
|
3 ms | 134.174.21.140 |
| 3 | 2026-08-25 01:24 | 639232172197053132 |
|
99 ms | 134.174.21.140 |
| 2 | 2026-08-25 00:30 | 639232140250307418 |
|
111 ms | 134.174.21.140 |
| 1 | 2026-08-25 00:13 | 639232129927860324 |
|
115 ms | 134.174.21.140 |