History for ns2.cosco-usa.com
Domain: cosco-usa.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.cosco-usa.com
ns2.cosco-usa.com 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 30 DNS check records, 30 successful responses, 0 failed responses, and 749 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 ns2.cosco-usa.com.
Records on Selected Date
30
Historical checks stored for this nameserver on selected date
Average Latency
749 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 10:11
All timestamps shown in UTC
Latest Resolved IP on Selected Date
63.247.189.221
Most recently resolved hosting IP on selected date
Successful Responses
30
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 ns2.cosco-usa.com
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 |
|---|---|---|---|---|---|
| 30 | 2026-08-25 10:11 | 639232492740373468 |
|
128 ms | 63.247.189.221 |
| 29 | 2026-08-25 09:54 | 639232482235303141 |
|
140 ms | 63.247.189.221 |
| 28 | 2026-08-25 09:36 | 639232471861770303 |
|
55 ms | 63.247.189.221 |
| 27 | 2026-08-25 09:19 | 639232461630217327 |
|
102 ms | 63.247.189.221 |
| 26 | 2026-08-25 09:02 | 639232451282965990 |
|
2010 ms | 63.247.189.221 |
| 25 | 2026-08-25 08:45 | 639232440814614938 |
|
2014 ms | 63.247.189.221 |
| 24 | 2026-08-25 08:27 | 639232430410720425 |
|
23 ms | 63.247.189.221 |
| 23 | 2026-08-25 08:10 | 639232420003096185 |
|
32 ms | 63.247.189.221 |
| 22 | 2026-08-25 07:53 | 639232409467287444 |
|
19 ms | 63.247.189.221 |
| 21 | 2026-08-25 07:35 | 639232399077195997 |
|
2117 ms | 63.247.189.221 |
| 20 | 2026-08-25 07:18 | 639232388731528337 |
|
134 ms | 63.247.189.221 |
| 19 | 2026-08-25 07:01 | 639232378288598612 |
|
2042 ms | 63.247.189.221 |
| 18 | 2026-08-25 06:07 | 639232346196373643 |
|
24 ms | 63.247.189.221 |
| 17 | 2026-08-25 05:50 | 639232336112370741 |
|
124 ms | 63.247.189.221 |
| 16 | 2026-08-25 05:34 | 639232326146508970 |
|
25 ms | 63.247.189.221 |
| 15 | 2026-08-25 05:17 | 639232316189381720 |
|
88 ms | 63.247.189.221 |
| 14 | 2026-08-25 05:00 | 639232306217998913 |
|
153 ms | 63.247.189.221 |
| 13 | 2026-08-25 04:44 | 639232296255744174 |
|
133 ms | 63.247.189.221 |
| 12 | 2026-08-25 04:27 | 639232286095760789 |
|
2219 ms | 63.247.189.221 |
| 11 | 2026-08-25 04:10 | 639232276086186273 |
|
2107 ms | 63.247.189.221 |
| 10 | 2026-08-25 03:53 | 639232265900986425 |
|
22 ms | 63.247.189.221 |
| 9 | 2026-08-25 03:36 | 639232255723518075 |
|
18 ms | 63.247.189.221 |
| 8 | 2026-08-25 03:19 | 639232245484452890 |
|
2045 ms | 63.247.189.221 |
| 7 | 2026-08-25 03:02 | 639232235157175331 |
|
2079 ms | 63.247.189.221 |
| 6 | 2026-08-25 02:09 | 639232203197189095 |
|
264 ms | 63.247.189.221 |
| 5 | 2026-08-25 01:52 | 639232192844564298 |
|
2020 ms | 63.247.189.221 |
| 4 | 2026-08-25 01:34 | 639232182496008942 |
|
156 ms | 63.247.189.221 |
| 3 | 2026-08-25 01:17 | 639232172197053132 |
|
137 ms | 63.247.189.221 |
| 2 | 2026-08-25 00:24 | 639232140250307418 |
|
19 ms | 63.247.189.221 |
| 1 | 2026-08-25 00:07 | 639232129927860324 |
|
2021 ms | 63.247.189.221 |