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 2026-08-08. For this date, NameServerHistory found 63 DNS check records, 63 successful responses, 0 failed responses, and 290 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
63
Historical checks stored for this nameserver on selected date
Average Latency
290 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-08 23:46
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
63
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 2026-08-08 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 |
|---|---|---|---|---|---|
| 63 | 2026-08-08 23:46 | 639218291874134258 |
|
294 ms | 198.143.128.34 |
| 62 | 2026-08-08 23:31 | 639218282817785496 |
|
294 ms | 198.143.128.34 |
| 61 | 2026-08-08 22:40 | 639218252106422334 |
|
315 ms | 198.143.128.34 |
| 60 | 2026-08-08 22:25 | 639218243323944113 |
|
155 ms | 198.143.128.34 |
| 59 | 2026-08-08 22:10 | 639218234397020230 |
|
179 ms | 198.143.128.34 |
| 58 | 2026-08-08 21:55 | 639218225412858763 |
|
223 ms | 198.143.128.34 |
| 57 | 2026-08-08 21:04 | 639218194282616684 |
|
294 ms | 198.143.128.34 |
| 56 | 2026-08-08 20:48 | 639218185036989606 |
|
298 ms | 198.143.128.34 |
| 55 | 2026-08-08 20:33 | 639218175974363575 |
|
171 ms | 198.143.128.34 |
| 54 | 2026-08-08 20:18 | 639218166972644815 |
|
294 ms | 198.143.128.34 |
| 53 | 2026-08-08 19:26 | 639218135900313734 |
|
312 ms | 198.143.128.34 |
| 52 | 2026-08-08 19:12 | 639218127088470726 |
|
260 ms | 198.143.128.34 |
| 51 | 2026-08-08 18:57 | 639218118310406743 |
|
304 ms | 198.143.128.34 |
| 50 | 2026-08-08 18:42 | 639218109452520238 |
|
314 ms | 198.143.128.34 |
| 49 | 2026-08-08 17:50 | 639218078440804962 |
|
320 ms | 198.143.128.34 |
| 48 | 2026-08-08 17:36 | 639218069827056995 |
|
327 ms | 198.143.128.34 |
| 47 | 2026-08-08 17:21 | 639218060928974999 |
|
318 ms | 198.143.128.34 |
| 46 | 2026-08-08 17:06 | 639218052072104591 |
|
314 ms | 198.143.128.34 |
| 45 | 2026-08-08 16:16 | 639218021131612993 |
|
160 ms | 198.143.128.34 |
| 44 | 2026-08-08 16:01 | 639218012544891033 |
|
295 ms | 198.143.128.34 |
| 43 | 2026-08-08 15:47 | 639218003733822367 |
|
299 ms | 198.143.128.34 |
| 42 | 2026-08-08 15:32 | 639217994998349201 |
|
288 ms | 198.143.128.34 |
| 41 | 2026-08-08 14:40 | 639217963788814319 |
|
314 ms | 198.143.128.34 |
| 40 | 2026-08-08 14:26 | 639217955087396874 |
|
152 ms | 198.143.128.34 |
| 39 | 2026-08-08 14:11 | 639217946350294952 |
|
343 ms | 198.143.128.34 |
| 38 | 2026-08-08 13:56 | 639217937526020436 |
|
311 ms | 198.143.128.34 |
| 37 | 2026-08-08 13:05 | 639217906769667024 |
|
331 ms | 198.143.128.34 |
| 36 | 2026-08-08 12:51 | 639217898300938849 |
|
296 ms | 198.143.128.34 |
| 35 | 2026-08-08 12:37 | 639217889778639925 |
|
161 ms | 198.143.128.34 |
| 34 | 2026-08-08 12:22 | 639217881083065140 |
|
161 ms | 198.143.128.34 |
| 33 | 2026-08-08 11:32 | 639217850620659312 |
|
289 ms | 198.143.128.34 |
| 32 | 2026-08-08 11:18 | 639217841938624907 |
|
292 ms | 198.143.128.34 |
| 31 | 2026-08-08 11:04 | 639217833389546843 |
|
291 ms | 198.143.128.34 |
| 30 | 2026-08-08 10:49 | 639217824846173945 |
|
151 ms | 198.143.128.34 |
| 29 | 2026-08-08 09:57 | 639217793807292972 |
|
152 ms | 198.143.128.34 |
| 28 | 2026-08-08 09:43 | 639217785208951403 |
|
178 ms | 198.143.128.34 |
| 27 | 2026-08-08 09:29 | 639217776566534942 |
|
297 ms | 198.143.128.34 |
| 26 | 2026-08-08 09:15 | 639217767935139326 |
|
294 ms | 198.143.128.34 |
| 25 | 2026-08-08 08:23 | 639217737225367411 |
|
292 ms | 198.143.128.34 |
| 24 | 2026-08-08 08:09 | 639217728765093674 |
|
154 ms | 198.143.128.34 |
| 23 | 2026-08-08 07:55 | 639217720136905586 |
|
267 ms | 198.143.128.34 |
| 22 | 2026-08-08 07:40 | 639217711410853004 |
|
292 ms | 198.143.128.34 |
| 21 | 2026-08-08 06:48 | 639217680275549698 |
|
332 ms | 198.143.128.34 |
| 20 | 2026-08-08 06:34 | 639217671340563867 |
|
2271 ms | 198.143.128.34 |
| 19 | 2026-08-08 06:19 | 639217662739829952 |
|
324 ms | 198.143.128.34 |
| 18 | 2026-08-08 06:05 | 639217654129395144 |
|
320 ms | 198.143.128.34 |
| 17 | 2026-08-08 05:14 | 639217623690502934 |
|
154 ms | 198.143.128.34 |
| 16 | 2026-08-08 05:00 | 639217615180184169 |
|
159 ms | 198.143.128.34 |
| 15 | 2026-08-08 04:46 | 639217606737293244 |
|
176 ms | 198.143.128.34 |
| 14 | 2026-08-08 04:32 | 639217598089858483 |
|
320 ms | 198.143.128.34 |
| 13 | 2026-08-08 03:40 | 639217567343169140 |
|
164 ms | 198.143.128.34 |
| 12 | 2026-08-08 03:26 | 639217558743892856 |
|
165 ms | 198.143.128.34 |
| 11 | 2026-08-08 03:11 | 639217550069823359 |
|
156 ms | 198.143.128.34 |
| 10 | 2026-08-08 02:57 | 639217541571663863 |
|
321 ms | 198.143.128.34 |
| 9 | 2026-08-08 02:03 | 639217510598671918 |
|
316 ms | 198.143.128.34 |
| 8 | 2026-08-08 01:48 | 639217501853904641 |
|
318 ms | 198.143.128.34 |
| 7 | 2026-08-08 01:33 | 639217492857464038 |
|
328 ms | 198.143.128.34 |
| 6 | 2026-08-08 01:18 | 639217483935810845 |
|
150 ms | 198.143.128.34 |
| 5 | 2026-08-08 01:04 | 639217475281344873 |
|
154 ms | 198.143.128.34 |
| 4 | 2026-08-08 00:49 | 639217466591266473 |
|
213 ms | 198.143.128.34 |
| 3 | 2026-08-08 00:35 | 639217457842031506 |
|
322 ms | 198.143.128.34 |
| 2 | 2026-08-08 00:20 | 639217449192590684 |
|
208 ms | 198.143.128.34 |
| 1 | 2026-08-08 00:06 | 639217440385817840 |
|
328 ms | 198.143.128.34 |