History for b.root-servers.nv.com
Domain: nv.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for b.root-servers.nv.com
b.root-servers.nv.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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 309 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 b.root-servers.nv.com.
Records on Selected Date
57
Historical checks stored for this nameserver on selected date
Average Latency
309 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-20 23:17
All timestamps shown in UTC
Latest Resolved IP on Selected Date
143.198.131.228
Most recently resolved hosting IP on selected date
Successful Responses
57
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 b.root-servers.nv.com
Showing DNS history for 2026-08-20 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 |
|---|---|---|---|---|---|
| 57 | 2026-08-20 23:17 | 639228639850033448 |
|
2 ms | 143.198.131.228 |
| 56 | 2026-08-20 23:01 | 639228630204271870 |
|
328 ms | 143.198.131.228 |
| 55 | 2026-08-20 22:44 | 639228620295091135 |
|
333 ms | 143.198.131.228 |
| 54 | 2026-08-20 22:28 | 639228610298336915 |
|
110 ms | 143.198.131.228 |
| 53 | 2026-08-20 21:35 | 639228578917047616 |
|
230 ms | 143.198.131.228 |
| 52 | 2026-08-20 21:19 | 639228569046445709 |
|
3 ms | 143.198.131.228 |
| 51 | 2026-08-20 21:03 | 639228558946830986 |
|
116 ms | 143.198.131.228 |
| 50 | 2026-08-20 20:45 | 639228548977359217 |
|
338 ms | 143.198.131.228 |
| 49 | 2026-08-20 19:53 | 639228517494157668 |
|
4 ms | 143.198.131.228 |
| 48 | 2026-08-20 19:37 | 639228507374116892 |
|
2376 ms | 143.198.131.228 |
| 47 | 2026-08-20 19:20 | 639228497315154893 |
|
376 ms | 143.198.131.228 |
| 46 | 2026-08-20 19:03 | 639228487287648341 |
|
110 ms | 143.198.131.228 |
| 45 | 2026-08-20 18:10 | 639228455828123788 |
|
3 ms | 143.198.131.228 |
| 44 | 2026-08-20 17:54 | 639228445900082244 |
|
122 ms | 143.198.131.228 |
| 43 | 2026-08-20 17:37 | 639228435866352323 |
|
5 ms | 143.198.131.228 |
| 42 | 2026-08-20 17:20 | 639228425802273151 |
|
236 ms | 143.198.131.228 |
| 41 | 2026-08-20 16:27 | 639228393616324230 |
|
232 ms | 143.198.131.228 |
| 40 | 2026-08-20 16:10 | 639228383590408693 |
|
119 ms | 143.198.131.228 |
| 39 | 2026-08-20 15:53 | 639228373471467474 |
|
117 ms | 143.198.131.228 |
| 38 | 2026-08-20 15:36 | 639228363426647311 |
|
221 ms | 143.198.131.228 |
| 37 | 2026-08-20 14:43 | 639228331681701910 |
|
345 ms | 143.198.131.228 |
| 36 | 2026-08-20 14:27 | 639228321714746824 |
|
124 ms | 143.198.131.228 |
| 35 | 2026-08-20 14:10 | 639228311652090262 |
|
125 ms | 143.198.131.228 |
| 34 | 2026-08-20 13:53 | 639228301670088587 |
|
4 ms | 143.198.131.228 |
| 33 | 2026-08-20 13:01 | 639228269987976710 |
|
236 ms | 143.198.131.228 |
| 32 | 2026-08-20 12:44 | 639228260009452308 |
|
226 ms | 143.198.131.228 |
| 31 | 2026-08-20 12:27 | 639228249661740894 |
|
109 ms | 143.198.131.228 |
| 30 | 2026-08-20 12:10 | 639228239552680346 |
|
119 ms | 143.198.131.228 |
| 29 | 2026-08-20 11:17 | 639228207667580819 |
|
223 ms | 143.198.131.228 |
| 28 | 2026-08-20 11:00 | 639228197494011560 |
|
112 ms | 143.198.131.228 |
| 27 | 2026-08-20 10:43 | 639228187497039939 |
|
3 ms | 143.198.131.228 |
| 26 | 2026-08-20 10:26 | 639228177408432646 |
|
341 ms | 143.198.131.228 |
| 25 | 2026-08-20 09:34 | 639228146356166262 |
|
232 ms | 143.198.131.228 |
| 24 | 2026-08-20 09:18 | 639228136541505712 |
|
4 ms | 143.198.131.228 |
| 23 | 2026-08-20 09:02 | 639228126519136598 |
|
118 ms | 143.198.131.228 |
| 22 | 2026-08-20 08:45 | 639228116537148885 |
|
452 ms | 143.198.131.228 |
| 21 | 2026-08-20 07:52 | 639228085320764351 |
|
4 ms | 143.198.131.228 |
| 20 | 2026-08-20 07:37 | 639228075444604839 |
|
3 ms | 143.198.131.228 |
| 19 | 2026-08-20 07:20 | 639228065615498985 |
|
194 ms | 143.198.131.228 |
| 18 | 2026-08-20 07:03 | 639228055675321422 |
|
336 ms | 143.198.131.228 |
| 17 | 2026-08-20 06:11 | 639228024230839396 |
|
235 ms | 143.198.131.228 |
| 16 | 2026-08-20 05:55 | 639228014720406505 |
|
341 ms | 143.198.131.228 |
| 15 | 2026-08-20 05:39 | 639228004930827030 |
|
341 ms | 143.198.131.228 |
| 14 | 2026-08-20 05:22 | 639227995103340154 |
|
362 ms | 143.198.131.228 |
| 13 | 2026-08-20 04:30 | 639227963811374894 |
|
11 ms | 143.198.131.228 |
| 12 | 2026-08-20 04:14 | 639227954132571365 |
|
513 ms | 143.198.131.228 |
| 11 | 2026-08-20 03:58 | 639227944541208342 |
|
3 ms | 143.198.131.228 |
| 10 | 2026-08-20 03:42 | 639227934657213484 |
|
124 ms | 143.198.131.228 |
| 9 | 2026-08-20 02:50 | 639227903628145469 |
|
216 ms | 143.198.131.228 |
| 8 | 2026-08-20 02:34 | 639227893995483475 |
|
260 ms | 143.198.131.228 |
| 7 | 2026-08-20 02:18 | 639227884280244209 |
|
2336 ms | 143.198.131.228 |
| 6 | 2026-08-20 02:01 | 639227874371147132 |
|
117 ms | 143.198.131.228 |
| 5 | 2026-08-20 01:09 | 639227843224256432 |
|
232 ms | 143.198.131.228 |
| 4 | 2026-08-20 00:53 | 639227833720403506 |
|
503 ms | 143.198.131.228 |
| 3 | 2026-08-20 00:38 | 639227824170728278 |
|
2848 ms | 143.198.131.228 |
| 2 | 2026-08-20 00:22 | 639227814865867570 |
|
230 ms | 143.198.131.228 |
| 1 | 2026-08-20 00:06 | 639227805445376839 |
|
224 ms | 143.198.131.228 |