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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 466 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
75
Historical checks stored for this nameserver on selected date
Average Latency
466 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-23 23:55
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
75
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 2026-08-23 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 |
|---|---|---|---|---|---|
| 75 | 2026-08-23 23:55 | 639231254406598736 |
|
301 ms | 198.143.128.34 |
| 74 | 2026-08-23 23:39 | 639231244697865594 |
|
2180 ms | 198.143.128.34 |
| 73 | 2026-08-23 23:22 | 639231234893504693 |
|
300 ms | 198.143.128.34 |
| 72 | 2026-08-23 23:06 | 639231225024549139 |
|
2149 ms | 198.143.128.34 |
| 71 | 2026-08-23 22:49 | 639231214931957622 |
|
289 ms | 198.143.128.34 |
| 70 | 2026-08-23 22:32 | 639231204962010549 |
|
290 ms | 198.143.128.34 |
| 69 | 2026-08-23 22:16 | 639231195170138463 |
|
297 ms | 198.143.128.34 |
| 68 | 2026-08-23 22:00 | 639231185235020577 |
|
296 ms | 198.143.128.34 |
| 67 | 2026-08-23 21:43 | 639231175558690075 |
|
287 ms | 198.143.128.34 |
| 66 | 2026-08-23 21:27 | 639231165610444012 |
|
292 ms | 198.143.128.34 |
| 65 | 2026-08-23 20:34 | 639231133806425363 |
|
305 ms | 198.143.128.34 |
| 64 | 2026-08-23 20:18 | 639231124203758023 |
|
2165 ms | 198.143.128.34 |
| 63 | 2026-08-23 20:01 | 639231114428262706 |
|
295 ms | 198.143.128.34 |
| 62 | 2026-08-23 19:45 | 639231104662480065 |
|
292 ms | 198.143.128.34 |
| 61 | 2026-08-23 19:29 | 639231094840372018 |
|
279 ms | 198.143.128.34 |
| 60 | 2026-08-23 19:12 | 639231085024583224 |
|
159 ms | 198.143.128.34 |
| 59 | 2026-08-23 18:56 | 639231075257417427 |
|
145 ms | 198.143.128.34 |
| 58 | 2026-08-23 18:40 | 639231065516009503 |
|
296 ms | 198.143.128.34 |
| 57 | 2026-08-23 18:24 | 639231055805348837 |
|
288 ms | 198.143.128.34 |
| 56 | 2026-08-23 18:07 | 639231045980373765 |
|
296 ms | 198.143.128.34 |
| 55 | 2026-08-23 17:51 | 639231035984577527 |
|
297 ms | 198.143.128.34 |
| 54 | 2026-08-23 17:34 | 639231025928115303 |
|
293 ms | 198.143.128.34 |
| 53 | 2026-08-23 16:41 | 639230994250157583 |
|
290 ms | 198.143.128.34 |
| 52 | 2026-08-23 16:25 | 639230984476411369 |
|
154 ms | 198.143.128.34 |
| 51 | 2026-08-23 16:09 | 639230974838373450 |
|
2206 ms | 198.143.128.34 |
| 50 | 2026-08-23 15:53 | 639230965244277645 |
|
295 ms | 198.143.128.34 |
| 49 | 2026-08-23 15:36 | 639230955522101820 |
|
289 ms | 198.143.128.34 |
| 48 | 2026-08-23 15:20 | 639230945754521603 |
|
290 ms | 198.143.128.34 |
| 47 | 2026-08-23 15:04 | 639230935852040504 |
|
154 ms | 198.143.128.34 |
| 46 | 2026-08-23 14:47 | 639230926222061048 |
|
290 ms | 198.143.128.34 |
| 45 | 2026-08-23 14:31 | 639230916449726907 |
|
290 ms | 198.143.128.34 |
| 44 | 2026-08-23 14:15 | 639230906595053086 |
|
290 ms | 198.143.128.34 |
| 43 | 2026-08-23 13:58 | 639230896680429441 |
|
291 ms | 198.143.128.34 |
| 42 | 2026-08-23 13:42 | 639230886630210965 |
|
299 ms | 198.143.128.34 |
| 41 | 2026-08-23 12:50 | 639230855430405719 |
|
162 ms | 198.143.128.34 |
| 40 | 2026-08-23 12:34 | 639230845707499136 |
|
207 ms | 198.143.128.34 |
| 39 | 2026-08-23 12:17 | 639230836186805419 |
|
310 ms | 198.143.128.34 |
| 38 | 2026-08-23 12:01 | 639230826493828316 |
|
292 ms | 198.143.128.34 |
| 37 | 2026-08-23 11:45 | 639230816817882996 |
|
162 ms | 198.143.128.34 |
| 36 | 2026-08-23 11:29 | 639230806933854189 |
|
170 ms | 198.143.128.34 |
| 35 | 2026-08-23 11:12 | 639230797120243854 |
|
297 ms | 198.143.128.34 |
| 34 | 2026-08-23 10:56 | 639230787310272840 |
|
191 ms | 198.143.128.34 |
| 33 | 2026-08-23 10:40 | 639230777600173142 |
|
291 ms | 198.143.128.34 |
| 32 | 2026-08-23 10:24 | 639230767665024593 |
|
293 ms | 198.143.128.34 |
| 31 | 2026-08-23 10:07 | 639230757720962293 |
|
292 ms | 198.143.128.34 |
| 30 | 2026-08-23 09:50 | 639230747722189784 |
|
154 ms | 198.143.128.34 |
| 29 | 2026-08-23 08:58 | 639230716313923480 |
|
315 ms | 198.143.128.34 |
| 28 | 2026-08-23 08:42 | 639230706813835990 |
|
297 ms | 198.143.128.34 |
| 27 | 2026-08-23 08:26 | 639230696871062203 |
|
166 ms | 198.143.128.34 |
| 26 | 2026-08-23 08:09 | 639230687142781616 |
|
295 ms | 198.143.128.34 |
| 25 | 2026-08-23 07:53 | 639230677432142227 |
|
157 ms | 198.143.128.34 |
| 24 | 2026-08-23 07:37 | 639230667686258061 |
|
166 ms | 198.143.128.34 |
| 23 | 2026-08-23 07:21 | 639230658039243685 |
|
296 ms | 198.143.128.34 |
| 22 | 2026-08-23 07:05 | 639230648468473803 |
|
178 ms | 198.143.128.34 |
| 21 | 2026-08-23 06:49 | 639230638829658294 |
|
296 ms | 198.143.128.34 |
| 20 | 2026-08-23 06:32 | 639230629247017617 |
|
169 ms | 198.143.128.34 |
| 19 | 2026-08-23 06:16 | 639230619625318239 |
|
299 ms | 198.143.128.34 |
| 18 | 2026-08-23 06:00 | 639230609697630264 |
|
4172 ms | 198.143.128.34 |
| 17 | 2026-08-23 05:08 | 639230578570131864 |
|
296 ms | 198.143.128.34 |
| 16 | 2026-08-23 04:52 | 639230568958963168 |
|
181 ms | 198.143.128.34 |
| 15 | 2026-08-23 04:36 | 639230559287611211 |
|
290 ms | 198.143.128.34 |
| 14 | 2026-08-23 04:20 | 639230549524312030 |
|
303 ms | 198.143.128.34 |
| 13 | 2026-08-23 04:04 | 639230539739801669 |
|
296 ms | 198.143.128.34 |
| 12 | 2026-08-23 03:47 | 639230530084069375 |
|
301 ms | 198.143.128.34 |
| 11 | 2026-08-23 03:31 | 639230520362691441 |
|
228 ms | 198.143.128.34 |
| 10 | 2026-08-23 03:15 | 639230510677194518 |
|
296 ms | 198.143.128.34 |
| 9 | 2026-08-23 02:59 | 639230501156002646 |
|
2175 ms | 198.143.128.34 |
| 8 | 2026-08-23 02:43 | 639230491502198541 |
|
155 ms | 198.143.128.34 |
| 7 | 2026-08-23 02:27 | 639230481860318494 |
|
323 ms | 198.143.128.34 |
| 6 | 2026-08-23 02:11 | 639230471893008575 |
|
319 ms | 198.143.128.34 |
| 5 | 2026-08-23 01:17 | 639230440030877421 |
|
158 ms | 198.143.128.34 |
| 4 | 2026-08-23 01:01 | 639230430479725508 |
|
297 ms | 198.143.128.34 |
| 3 | 2026-08-23 00:45 | 639230420875160219 |
|
155 ms | 198.143.128.34 |
| 2 | 2026-08-23 00:29 | 639230411240692575 |
|
2295 ms | 198.143.128.34 |
| 1 | 2026-08-23 00:13 | 639230401550806607 |
|
291 ms | 198.143.128.34 |