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 2026-08-10. For this date, NameServerHistory found 81 DNS check records, 81 successful responses, 0 failed responses, and 354 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
81
Historical checks stored for this nameserver on selected date
Average Latency
354 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-10 23:47
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
81
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 2026-08-10 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 |
|---|---|---|---|---|---|
| 81 | 2026-08-10 23:47 | 639220018272941900 |
|
2264 ms | 198.143.128.34 |
| 80 | 2026-08-10 23:31 | 639220009109892969 |
|
296 ms | 198.143.128.34 |
| 79 | 2026-08-10 23:16 | 639220000040489788 |
|
2189 ms | 198.143.128.34 |
| 78 | 2026-08-10 23:01 | 639219991197135747 |
|
189 ms | 198.143.128.34 |
| 77 | 2026-08-10 22:46 | 639219982104540014 |
|
319 ms | 198.143.128.34 |
| 76 | 2026-08-10 22:31 | 639219973150300215 |
|
152 ms | 198.143.128.34 |
| 75 | 2026-08-10 22:16 | 639219964188486697 |
|
180 ms | 198.143.128.34 |
| 74 | 2026-08-10 22:01 | 639219954995921784 |
|
297 ms | 198.143.128.34 |
| 73 | 2026-08-10 21:46 | 639219945559908104 |
|
347 ms | 198.143.128.34 |
| 72 | 2026-08-10 20:53 | 639219914137782273 |
|
299 ms | 198.143.128.34 |
| 71 | 2026-08-10 20:37 | 639219904858355064 |
|
188 ms | 198.143.128.34 |
| 70 | 2026-08-10 20:22 | 639219895655263396 |
|
152 ms | 198.143.128.34 |
| 69 | 2026-08-10 20:07 | 639219886527091074 |
|
2178 ms | 198.143.128.34 |
| 68 | 2026-08-10 19:51 | 639219877343266628 |
|
297 ms | 198.143.128.34 |
| 67 | 2026-08-10 19:36 | 639219868177358195 |
|
301 ms | 198.143.128.34 |
| 66 | 2026-08-10 19:21 | 639219859159581515 |
|
495 ms | 198.143.128.34 |
| 65 | 2026-08-10 19:06 | 639219850124020182 |
|
301 ms | 198.143.128.34 |
| 64 | 2026-08-10 18:50 | 639219840940124840 |
|
301 ms | 198.143.128.34 |
| 63 | 2026-08-10 18:35 | 639219831829876486 |
|
297 ms | 198.143.128.34 |
| 62 | 2026-08-10 18:20 | 639219822587759143 |
|
300 ms | 198.143.128.34 |
| 61 | 2026-08-10 18:04 | 639219813247114428 |
|
304 ms | 198.143.128.34 |
| 60 | 2026-08-10 17:13 | 639219781959606396 |
|
309 ms | 198.143.128.34 |
| 59 | 2026-08-10 16:57 | 639219772658305431 |
|
304 ms | 198.143.128.34 |
| 58 | 2026-08-10 16:42 | 639219763454523027 |
|
304 ms | 198.143.128.34 |
| 57 | 2026-08-10 16:27 | 639219754279127815 |
|
299 ms | 198.143.128.34 |
| 56 | 2026-08-10 16:11 | 639219745087467767 |
|
303 ms | 198.143.128.34 |
| 55 | 2026-08-10 15:56 | 639219735900678107 |
|
154 ms | 198.143.128.34 |
| 54 | 2026-08-10 15:41 | 639219726531461979 |
|
292 ms | 198.143.128.34 |
| 53 | 2026-08-10 15:25 | 639219717415222156 |
|
296 ms | 198.143.128.34 |
| 52 | 2026-08-10 15:10 | 639219708266470863 |
|
290 ms | 198.143.128.34 |
| 51 | 2026-08-10 14:55 | 639219699049479559 |
|
294 ms | 198.143.128.34 |
| 50 | 2026-08-10 14:39 | 639219689775815194 |
|
295 ms | 198.143.128.34 |
| 49 | 2026-08-10 14:24 | 639219680511810632 |
|
303 ms | 198.143.128.34 |
| 48 | 2026-08-10 13:31 | 639219648997191257 |
|
292 ms | 198.143.128.34 |
| 47 | 2026-08-10 13:16 | 639219639938909436 |
|
298 ms | 198.143.128.34 |
| 46 | 2026-08-10 13:01 | 639219630718286441 |
|
147 ms | 198.143.128.34 |
| 45 | 2026-08-10 12:46 | 639219621472350410 |
|
165 ms | 198.143.128.34 |
| 44 | 2026-08-10 12:30 | 639219612500421992 |
|
294 ms | 198.143.128.34 |
| 43 | 2026-08-10 12:15 | 639219603383833445 |
|
293 ms | 198.143.128.34 |
| 42 | 2026-08-10 12:00 | 639219594143823358 |
|
290 ms | 198.143.128.34 |
| 41 | 2026-08-10 11:45 | 639219585053166024 |
|
259 ms | 198.143.128.34 |
| 40 | 2026-08-10 11:30 | 639219575885776644 |
|
159 ms | 198.143.128.34 |
| 39 | 2026-08-10 11:14 | 639219566844532361 |
|
289 ms | 198.143.128.34 |
| 38 | 2026-08-10 10:59 | 639219557705808294 |
|
292 ms | 198.143.128.34 |
| 37 | 2026-08-10 10:44 | 639219548482688649 |
|
290 ms | 198.143.128.34 |
| 36 | 2026-08-10 09:52 | 639219517492763539 |
|
149 ms | 198.143.128.34 |
| 35 | 2026-08-10 09:38 | 639219508755773605 |
|
174 ms | 198.143.128.34 |
| 34 | 2026-08-10 09:23 | 639219499852103863 |
|
288 ms | 198.143.128.34 |
| 33 | 2026-08-10 09:08 | 639219490893714387 |
|
309 ms | 198.143.128.34 |
| 32 | 2026-08-10 08:53 | 639219482299305521 |
|
302 ms | 198.143.128.34 |
| 31 | 2026-08-10 08:39 | 639219473613114853 |
|
145 ms | 198.143.128.34 |
| 30 | 2026-08-10 08:24 | 639219465061138643 |
|
154 ms | 198.143.128.34 |
| 29 | 2026-08-10 08:10 | 639219456616129015 |
|
158 ms | 198.143.128.34 |
| 28 | 2026-08-10 07:56 | 639219447974008557 |
|
304 ms | 198.143.128.34 |
| 27 | 2026-08-10 07:41 | 639219439498255213 |
|
302 ms | 198.143.128.34 |
| 26 | 2026-08-10 07:27 | 639219430664872256 |
|
2146 ms | 198.143.128.34 |
| 25 | 2026-08-10 07:12 | 639219421757560037 |
|
304 ms | 198.143.128.34 |
| 24 | 2026-08-10 06:21 | 639219390773218684 |
|
147 ms | 198.143.128.34 |
| 23 | 2026-08-10 06:07 | 639219382205367722 |
|
166 ms | 198.143.128.34 |
| 22 | 2026-08-10 05:52 | 639219373711937615 |
|
171 ms | 198.143.128.34 |
| 21 | 2026-08-10 05:38 | 639219365088558404 |
|
156 ms | 198.143.128.34 |
| 20 | 2026-08-10 05:24 | 639219356348833255 |
|
302 ms | 198.143.128.34 |
| 19 | 2026-08-10 05:09 | 639219347860053478 |
|
155 ms | 198.143.128.34 |
| 18 | 2026-08-10 04:55 | 639219339173195121 |
|
244 ms | 198.143.128.34 |
| 17 | 2026-08-10 04:41 | 639219330642664669 |
|
272 ms | 198.143.128.34 |
| 16 | 2026-08-10 04:27 | 639219322058698995 |
|
147 ms | 198.143.128.34 |
| 15 | 2026-08-10 04:12 | 639219313564344199 |
|
158 ms | 198.143.128.34 |
| 14 | 2026-08-10 03:58 | 639219304775113236 |
|
305 ms | 198.143.128.34 |
| 13 | 2026-08-10 03:43 | 639219295706181119 |
|
302 ms | 198.143.128.34 |
| 12 | 2026-08-10 02:51 | 639219264663923254 |
|
191 ms | 198.143.128.34 |
| 11 | 2026-08-10 02:37 | 639219256015178099 |
|
289 ms | 198.143.128.34 |
| 10 | 2026-08-10 02:22 | 639219247509540188 |
|
300 ms | 198.143.128.34 |
| 9 | 2026-08-10 02:08 | 639219238999539092 |
|
289 ms | 198.143.128.34 |
| 8 | 2026-08-10 01:54 | 639219230498823902 |
|
289 ms | 198.143.128.34 |
| 7 | 2026-08-10 01:40 | 639219221706460911 |
|
308 ms | 198.143.128.34 |
| 6 | 2026-08-10 01:25 | 639219212930606887 |
|
288 ms | 198.143.128.34 |
| 5 | 2026-08-10 01:11 | 639219204307908525 |
|
300 ms | 198.143.128.34 |
| 4 | 2026-08-10 00:56 | 639219195720181470 |
|
288 ms | 198.143.128.34 |
| 3 | 2026-08-10 00:42 | 639219186898174002 |
|
147 ms | 198.143.128.34 |
| 2 | 2026-08-10 00:27 | 639219178004946976 |
|
301 ms | 198.143.128.34 |
| 1 | 2026-08-10 00:12 | 639219168958805474 |
|
301 ms | 198.143.128.34 |