History for u1.core-dns.net
Domain: core-dns.net • Tracking since 2026-08-04 23:25 UTC
DNS response history for u1.core-dns.net
u1.core-dns.net 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 69 DNS check records, 69 successful responses, 0 failed responses, and 543 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 u1.core-dns.net.
Records on Selected Date
69
Historical checks stored for this nameserver on selected date
Average Latency
543 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 23:49
All timestamps shown in UTC
Latest Resolved IP on Selected Date
192.158.238.246
Most recently resolved hosting IP on selected date
Successful Responses
69
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 u1.core-dns.net
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 |
|---|---|---|---|---|---|
| 69 | 2026-08-25 23:49 | 639232985300872416 |
|
5 ms | 192.158.238.246 |
| 68 | 2026-08-25 23:32 | 639232974980190573 |
|
4 ms | 192.158.238.246 |
| 67 | 2026-08-25 23:15 | 639232964577050707 |
|
7 ms | 192.158.238.246 |
| 66 | 2026-08-25 22:21 | 639232932163142799 |
|
2059 ms | 192.158.238.246 |
| 65 | 2026-08-25 22:03 | 639232921673215474 |
|
5 ms | 192.158.238.246 |
| 64 | 2026-08-25 21:46 | 639232911234504639 |
|
3 ms | 192.158.238.246 |
| 63 | 2026-08-25 21:28 | 639232900747078453 |
|
4020 ms | 192.158.238.246 |
| 62 | 2026-08-25 21:11 | 639232890389222534 |
|
49 ms | 192.158.238.246 |
| 61 | 2026-08-25 20:54 | 639232880143390843 |
|
2069 ms | 192.158.238.246 |
| 60 | 2026-08-25 20:37 | 639232869755024069 |
|
11 ms | 192.158.238.246 |
| 59 | 2026-08-25 20:19 | 639232859355940346 |
|
11 ms | 192.158.238.246 |
| 58 | 2026-08-25 20:02 | 639232848992244953 |
|
4 ms | 192.158.238.246 |
| 57 | 2026-08-25 19:45 | 639232838596478500 |
|
2037 ms | 192.158.238.246 |
| 56 | 2026-08-25 19:27 | 639232828175327683 |
|
2044 ms | 192.158.238.246 |
| 55 | 2026-08-25 19:10 | 639232817798330473 |
|
9 ms | 192.158.238.246 |
| 54 | 2026-08-25 18:16 | 639232785462407552 |
|
5 ms | 192.158.238.246 |
| 53 | 2026-08-25 17:59 | 639232775177487032 |
|
8 ms | 192.158.238.246 |
| 52 | 2026-08-25 17:42 | 639232764991087115 |
|
8 ms | 192.158.238.246 |
| 51 | 2026-08-25 17:25 | 639232754842971478 |
|
10 ms | 192.158.238.246 |
| 50 | 2026-08-25 17:08 | 639232744455159107 |
|
2046 ms | 192.158.238.246 |
| 49 | 2026-08-25 16:51 | 639232734145178231 |
|
6 ms | 192.158.238.246 |
| 48 | 2026-08-25 16:33 | 639232723827874402 |
|
2019 ms | 192.158.238.246 |
| 47 | 2026-08-25 16:16 | 639232713533011892 |
|
45 ms | 192.158.238.246 |
| 46 | 2026-08-25 15:59 | 639232703065318207 |
|
9 ms | 192.158.238.246 |
| 45 | 2026-08-25 15:41 | 639232692629559470 |
|
2067 ms | 192.158.238.246 |
| 44 | 2026-08-25 15:24 | 639232682238836475 |
|
5 ms | 192.158.238.246 |
| 43 | 2026-08-25 15:07 | 639232671787004306 |
|
45 ms | 192.158.238.246 |
| 42 | 2026-08-25 14:12 | 639232638994329666 |
|
8 ms | 192.158.238.246 |
| 41 | 2026-08-25 13:55 | 639232628614783237 |
|
6 ms | 192.158.238.246 |
| 40 | 2026-08-25 13:38 | 639232618360728578 |
|
7 ms | 192.158.238.246 |
| 39 | 2026-08-25 13:20 | 639232608016476376 |
|
4020 ms | 192.158.238.246 |
| 38 | 2026-08-25 13:03 | 639232597643611557 |
|
2039 ms | 192.158.238.246 |
| 37 | 2026-08-25 12:46 | 639232587225721862 |
|
2062 ms | 192.158.238.246 |
| 36 | 2026-08-25 12:28 | 639232576780683689 |
|
84 ms | 192.158.238.246 |
| 35 | 2026-08-25 12:11 | 639232566381512620 |
|
2019 ms | 192.158.238.246 |
| 34 | 2026-08-25 11:54 | 639232556111768563 |
|
2044 ms | 192.158.238.246 |
| 33 | 2026-08-25 11:37 | 639232545839529039 |
|
40 ms | 192.158.238.246 |
| 32 | 2026-08-25 11:19 | 639232535349285207 |
|
26 ms | 192.158.238.246 |
| 31 | 2026-08-25 11:02 | 639232524938080723 |
|
7 ms | 192.158.238.246 |
| 30 | 2026-08-25 10:08 | 639232492740373468 |
|
5 ms | 192.158.238.246 |
| 29 | 2026-08-25 09:51 | 639232482235303141 |
|
7 ms | 192.158.238.246 |
| 28 | 2026-08-25 09:33 | 639232471861770303 |
|
6 ms | 192.158.238.246 |
| 27 | 2026-08-25 09:16 | 639232461630217327 |
|
7 ms | 192.158.238.246 |
| 26 | 2026-08-25 08:59 | 639232451282965990 |
|
16 ms | 192.158.238.246 |
| 25 | 2026-08-25 08:42 | 639232440814614938 |
|
11 ms | 192.158.238.246 |
| 24 | 2026-08-25 08:24 | 639232430410720425 |
|
5 ms | 192.158.238.246 |
| 23 | 2026-08-25 08:07 | 639232420003096185 |
|
85 ms | 192.158.238.246 |
| 22 | 2026-08-25 07:49 | 639232409467287444 |
|
30 ms | 192.158.238.246 |
| 21 | 2026-08-25 07:32 | 639232399077195997 |
|
4 ms | 192.158.238.246 |
| 20 | 2026-08-25 07:15 | 639232388731528337 |
|
2035 ms | 192.158.238.246 |
| 19 | 2026-08-25 06:57 | 639232378288598612 |
|
6 ms | 192.158.238.246 |
| 18 | 2026-08-25 06:04 | 639232346196373643 |
|
5 ms | 192.158.238.246 |
| 17 | 2026-08-25 05:47 | 639232336112370741 |
|
5 ms | 192.158.238.246 |
| 16 | 2026-08-25 05:31 | 639232326146508970 |
|
4 ms | 192.158.238.246 |
| 15 | 2026-08-25 05:14 | 639232316189381720 |
|
31 ms | 192.158.238.246 |
| 14 | 2026-08-25 04:57 | 639232306217998913 |
|
6 ms | 192.158.238.246 |
| 13 | 2026-08-25 04:41 | 639232296255744174 |
|
2040 ms | 192.158.238.246 |
| 12 | 2026-08-25 04:24 | 639232286095760789 |
|
6 ms | 192.158.238.246 |
| 11 | 2026-08-25 04:07 | 639232276086186273 |
|
39 ms | 192.158.238.246 |
| 10 | 2026-08-25 03:50 | 639232265900986425 |
|
4 ms | 192.158.238.246 |
| 9 | 2026-08-25 03:33 | 639232255723518075 |
|
4 ms | 192.158.238.246 |
| 8 | 2026-08-25 03:16 | 639232245484452890 |
|
5 ms | 192.158.238.246 |
| 7 | 2026-08-25 02:59 | 639232235157175331 |
|
54 ms | 192.158.238.246 |
| 6 | 2026-08-25 02:06 | 639232203197189095 |
|
6 ms | 192.158.238.246 |
| 5 | 2026-08-25 01:48 | 639232192844564298 |
|
18 ms | 192.158.238.246 |
| 4 | 2026-08-25 01:31 | 639232182496008942 |
|
5 ms | 192.158.238.246 |
| 3 | 2026-08-25 01:14 | 639232172197053132 |
|
2032 ms | 192.158.238.246 |
| 2 | 2026-08-25 00:21 | 639232140250307418 |
|
5 ms | 192.158.238.246 |
| 1 | 2026-08-25 00:04 | 639232129927860324 |
|
17 ms | 192.158.238.246 |