History for ns2.yaohanoptical.com
Domain: yaohanoptical.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.yaohanoptical.com
ns2.yaohanoptical.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 2026-08-13. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 326 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.yaohanoptical.com.
Records on Selected Date
71
Historical checks stored for this nameserver on selected date
Average Latency
326 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-13 23:45
All timestamps shown in UTC
Latest Resolved IP on Selected Date
198.143.128.34
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 ns2.yaohanoptical.com
Showing DNS history for 2026-08-13 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 | 2026-08-13 23:45 | 639222608688333012 |
|
292 ms | 198.143.128.34 |
| 70 | 2026-08-13 23:28 | 639222598741756356 |
|
291 ms | 198.143.128.34 |
| 69 | 2026-08-13 23:11 | 639222588615244093 |
|
294 ms | 198.143.128.34 |
| 68 | 2026-08-13 22:18 | 639222556495289724 |
|
156 ms | 198.143.128.34 |
| 67 | 2026-08-13 22:01 | 639222546477917698 |
|
148 ms | 198.143.128.34 |
| 66 | 2026-08-13 21:44 | 639222536257653790 |
|
288 ms | 198.143.128.34 |
| 65 | 2026-08-13 21:27 | 639222525833084485 |
|
309 ms | 198.143.128.34 |
| 64 | 2026-08-13 21:10 | 639222515446085004 |
|
158 ms | 198.143.128.34 |
| 63 | 2026-08-13 20:52 | 639222505166766781 |
|
162 ms | 198.143.128.34 |
| 62 | 2026-08-13 20:35 | 639222494930541001 |
|
151 ms | 198.143.128.34 |
| 61 | 2026-08-13 20:18 | 639222484469216890 |
|
290 ms | 198.143.128.34 |
| 60 | 2026-08-13 20:01 | 639222474270039940 |
|
288 ms | 198.143.128.34 |
| 59 | 2026-08-13 19:44 | 639222464005587385 |
|
145 ms | 198.143.128.34 |
| 58 | 2026-08-13 19:26 | 639222453485975041 |
|
160 ms | 198.143.128.34 |
| 57 | 2026-08-13 19:09 | 639222442984828770 |
|
292 ms | 198.143.128.34 |
| 56 | 2026-08-13 18:14 | 639222410191353397 |
|
293 ms | 198.143.128.34 |
| 55 | 2026-08-13 17:57 | 639222399952628376 |
|
159 ms | 198.143.128.34 |
| 54 | 2026-08-13 17:40 | 639222389608608647 |
|
292 ms | 198.143.128.34 |
| 53 | 2026-08-13 17:23 | 639222379604012481 |
|
291 ms | 198.143.128.34 |
| 52 | 2026-08-13 17:06 | 639222369372672858 |
|
300 ms | 198.143.128.34 |
| 51 | 2026-08-13 16:49 | 639222359096909298 |
|
291 ms | 198.143.128.34 |
| 50 | 2026-08-13 16:32 | 639222348814301655 |
|
291 ms | 198.143.128.34 |
| 49 | 2026-08-13 16:15 | 639222338608331104 |
|
288 ms | 198.143.128.34 |
| 48 | 2026-08-13 15:58 | 639222328204609760 |
|
316 ms | 198.143.128.34 |
| 47 | 2026-08-13 15:41 | 639222317859759909 |
|
294 ms | 198.143.128.34 |
| 46 | 2026-08-13 15:23 | 639222307560137918 |
|
145 ms | 198.143.128.34 |
| 45 | 2026-08-13 15:06 | 639222297274357149 |
|
292 ms | 198.143.128.34 |
| 44 | 2026-08-13 14:13 | 639222265004477827 |
|
145 ms | 198.143.128.34 |
| 43 | 2026-08-13 13:57 | 639222255176583683 |
|
298 ms | 198.143.128.34 |
| 42 | 2026-08-13 13:40 | 639222245340146131 |
|
146 ms | 198.143.128.34 |
| 41 | 2026-08-13 13:24 | 639222235662219956 |
|
147 ms | 198.143.128.34 |
| 40 | 2026-08-13 13:08 | 639222225817223284 |
|
292 ms | 198.143.128.34 |
| 39 | 2026-08-13 12:51 | 639222216341869648 |
|
292 ms | 198.143.128.34 |
| 38 | 2026-08-13 12:36 | 639222206848442189 |
|
293 ms | 198.143.128.34 |
| 37 | 2026-08-13 12:20 | 639222197538963225 |
|
145 ms | 198.143.128.34 |
| 36 | 2026-08-13 12:04 | 639222188113685569 |
|
259 ms | 198.143.128.34 |
| 35 | 2026-08-13 11:48 | 639222178880138458 |
|
2162 ms | 198.143.128.34 |
| 34 | 2026-08-13 11:33 | 639222169343013317 |
|
163 ms | 198.143.128.34 |
| 33 | 2026-08-13 11:17 | 639222159910600596 |
|
293 ms | 198.143.128.34 |
| 32 | 2026-08-13 10:25 | 639222128676274866 |
|
287 ms | 198.143.128.34 |
| 31 | 2026-08-13 10:10 | 639222119169781983 |
|
291 ms | 198.143.128.34 |
| 30 | 2026-08-13 09:54 | 639222109996148889 |
|
290 ms | 198.143.128.34 |
| 29 | 2026-08-13 09:39 | 639222100791323799 |
|
267 ms | 198.143.128.34 |
| 28 | 2026-08-13 09:23 | 639222091647893142 |
|
290 ms | 198.143.128.34 |
| 27 | 2026-08-13 09:08 | 639222082524717649 |
|
182 ms | 198.143.128.34 |
| 26 | 2026-08-13 08:53 | 639222073378630456 |
|
291 ms | 198.143.128.34 |
| 25 | 2026-08-13 08:38 | 639222064537306701 |
|
290 ms | 198.143.128.34 |
| 24 | 2026-08-13 08:23 | 639222055409471864 |
|
289 ms | 198.143.128.34 |
| 23 | 2026-08-13 08:08 | 639222046117152411 |
|
300 ms | 198.143.128.34 |
| 22 | 2026-08-13 07:52 | 639222036915107067 |
|
322 ms | 198.143.128.34 |
| 21 | 2026-08-13 07:37 | 639222027654889141 |
|
292 ms | 198.143.128.34 |
| 20 | 2026-08-13 06:45 | 639221996824612035 |
|
289 ms | 198.143.128.34 |
| 19 | 2026-08-13 06:31 | 639221987863418113 |
|
146 ms | 198.143.128.34 |
| 18 | 2026-08-13 06:16 | 639221979006823112 |
|
156 ms | 198.143.128.34 |
| 17 | 2026-08-13 06:01 | 639221970068466615 |
|
290 ms | 198.143.128.34 |
| 16 | 2026-08-13 05:46 | 639221961001585139 |
|
164 ms | 198.143.128.34 |
| 15 | 2026-08-13 05:31 | 639221952104046397 |
|
146 ms | 198.143.128.34 |
| 14 | 2026-08-13 05:16 | 639221943247694484 |
|
295 ms | 198.143.128.34 |
| 13 | 2026-08-13 05:01 | 639221934603388241 |
|
2145 ms | 198.143.128.34 |
| 12 | 2026-08-13 04:47 | 639221925729273358 |
|
153 ms | 198.143.128.34 |
| 11 | 2026-08-13 04:32 | 639221916777813401 |
|
151 ms | 198.143.128.34 |
| 10 | 2026-08-13 04:17 | 639221907816913910 |
|
146 ms | 198.143.128.34 |
| 9 | 2026-08-13 04:02 | 639221898639694322 |
|
292 ms | 198.143.128.34 |
| 8 | 2026-08-13 03:11 | 639221868257567489 |
|
292 ms | 198.143.128.34 |
| 7 | 2026-08-13 02:56 | 639221859270235608 |
|
2151 ms | 198.143.128.34 |
| 6 | 2026-08-13 02:41 | 639221850184464515 |
|
288 ms | 198.143.128.34 |
| 5 | 2026-08-13 02:25 | 639221841141973425 |
|
289 ms | 198.143.128.34 |
| 4 | 2026-08-13 01:34 | 639221810548753083 |
|
291 ms | 198.143.128.34 |
| 3 | 2026-08-13 01:20 | 639221801656796262 |
|
294 ms | 198.143.128.34 |
| 2 | 2026-08-13 01:05 | 639221792658715334 |
|
146 ms | 198.143.128.34 |
| 1 | 2026-08-13 00:49 | 639221783571379176 |
|
289 ms | 198.143.128.34 |