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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 475 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
76
Historical checks stored for this nameserver on selected date
Average Latency
475 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-15 23:48
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
76
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 2026-08-15 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 |
|---|---|---|---|---|---|
| 76 | 2026-08-15 23:48 | 639224338276675277 |
|
120 ms | 143.198.131.228 |
| 75 | 2026-08-15 22:56 | 639224306594546649 |
|
148 ms | 143.198.131.228 |
| 74 | 2026-08-15 22:40 | 639224297145423303 |
|
123 ms | 143.198.131.228 |
| 73 | 2026-08-15 22:24 | 639224287678238833 |
|
133 ms | 143.198.131.228 |
| 72 | 2026-08-15 22:08 | 639224278490872828 |
|
120 ms | 143.198.131.228 |
| 71 | 2026-08-15 21:53 | 639224269149307826 |
|
235 ms | 143.198.131.228 |
| 70 | 2026-08-15 21:38 | 639224259868597616 |
|
229 ms | 143.198.131.228 |
| 69 | 2026-08-15 21:22 | 639224250518642175 |
|
15 ms | 143.198.131.228 |
| 68 | 2026-08-15 21:07 | 639224241064772383 |
|
130 ms | 143.198.131.228 |
| 67 | 2026-08-15 20:51 | 639224231691099605 |
|
241 ms | 143.198.131.228 |
| 66 | 2026-08-15 20:35 | 639224222468168159 |
|
8 ms | 143.198.131.228 |
| 65 | 2026-08-15 20:20 | 639224213173899635 |
|
135 ms | 143.198.131.228 |
| 64 | 2026-08-15 20:04 | 639224203914451783 |
|
145 ms | 143.198.131.228 |
| 63 | 2026-08-15 19:11 | 639224172202542163 |
|
2536 ms | 143.198.131.228 |
| 62 | 2026-08-15 18:56 | 639224163338654093 |
|
121 ms | 143.198.131.228 |
| 61 | 2026-08-15 18:41 | 639224154287995374 |
|
124 ms | 143.198.131.228 |
| 60 | 2026-08-15 18:26 | 639224145118612503 |
|
2094 ms | 143.198.131.228 |
| 59 | 2026-08-15 18:11 | 639224135995990731 |
|
2 ms | 143.198.131.228 |
| 58 | 2026-08-15 17:56 | 639224127185332624 |
|
116 ms | 143.198.131.228 |
| 57 | 2026-08-15 17:41 | 639224118229289175 |
|
128 ms | 143.198.131.228 |
| 56 | 2026-08-15 17:26 | 639224109273796359 |
|
227 ms | 143.198.131.228 |
| 55 | 2026-08-15 17:11 | 639224100490805608 |
|
335 ms | 143.198.131.228 |
| 54 | 2026-08-15 16:56 | 639224091353714490 |
|
117 ms | 143.198.131.228 |
| 53 | 2026-08-15 16:41 | 639224082033126828 |
|
91 ms | 143.198.131.228 |
| 52 | 2026-08-15 16:25 | 639224072736962403 |
|
121 ms | 143.198.131.228 |
| 51 | 2026-08-15 15:32 | 639224041475563754 |
|
224 ms | 143.198.131.228 |
| 50 | 2026-08-15 15:17 | 639224032345604453 |
|
91 ms | 143.198.131.228 |
| 49 | 2026-08-15 15:02 | 639224023169497283 |
|
116 ms | 143.198.131.228 |
| 48 | 2026-08-15 14:47 | 639224013981146405 |
|
120 ms | 143.198.131.228 |
| 47 | 2026-08-15 14:31 | 639224004883412586 |
|
2192 ms | 143.198.131.228 |
| 46 | 2026-08-15 14:16 | 639223995612880615 |
|
2499 ms | 143.198.131.228 |
| 45 | 2026-08-15 14:01 | 639223986271830789 |
|
363 ms | 143.198.131.228 |
| 44 | 2026-08-15 13:45 | 639223977005780949 |
|
4544 ms | 143.198.131.228 |
| 43 | 2026-08-15 13:29 | 639223967653137793 |
|
2549 ms | 143.198.131.228 |
| 42 | 2026-08-15 13:14 | 639223958286010799 |
|
123 ms | 143.198.131.228 |
| 41 | 2026-08-15 12:58 | 639223948936108345 |
|
112 ms | 143.198.131.228 |
| 40 | 2026-08-15 12:42 | 639223939673066880 |
|
133 ms | 143.198.131.228 |
| 39 | 2026-08-15 11:50 | 639223908317760530 |
|
4 ms | 143.198.131.228 |
| 38 | 2026-08-15 11:35 | 639223898992594258 |
|
5 ms | 143.198.131.228 |
| 37 | 2026-08-15 11:20 | 639223889761312823 |
|
229 ms | 143.198.131.228 |
| 36 | 2026-08-15 11:04 | 639223880359273507 |
|
118 ms | 143.198.131.228 |
| 35 | 2026-08-15 10:49 | 639223870920466808 |
|
119 ms | 143.198.131.228 |
| 34 | 2026-08-15 10:33 | 639223861579762179 |
|
2190 ms | 143.198.131.228 |
| 33 | 2026-08-15 10:17 | 639223852238616009 |
|
340 ms | 143.198.131.228 |
| 32 | 2026-08-15 10:02 | 639223843019815620 |
|
3 ms | 143.198.131.228 |
| 31 | 2026-08-15 09:46 | 639223833669915012 |
|
116 ms | 143.198.131.228 |
| 30 | 2026-08-15 09:31 | 639223824494613222 |
|
3 ms | 143.198.131.228 |
| 29 | 2026-08-15 09:15 | 639223815116325293 |
|
124 ms | 143.198.131.228 |
| 28 | 2026-08-15 09:00 | 639223805493870221 |
|
122 ms | 143.198.131.228 |
| 27 | 2026-08-15 08:07 | 639223774218660438 |
|
3 ms | 143.198.131.228 |
| 26 | 2026-08-15 07:51 | 639223764663090372 |
|
5 ms | 143.198.131.228 |
| 25 | 2026-08-15 07:35 | 639223755338811400 |
|
340 ms | 143.198.131.228 |
| 24 | 2026-08-15 07:20 | 639223746019193268 |
|
135 ms | 143.198.131.228 |
| 23 | 2026-08-15 07:04 | 639223736658778104 |
|
4541 ms | 143.198.131.228 |
| 22 | 2026-08-15 06:49 | 639223727330194499 |
|
231 ms | 143.198.131.228 |
| 21 | 2026-08-15 06:33 | 639223717848514742 |
|
340 ms | 143.198.131.228 |
| 20 | 2026-08-15 06:17 | 639223708284754056 |
|
419 ms | 143.198.131.228 |
| 19 | 2026-08-15 06:01 | 639223699061259933 |
|
114 ms | 143.198.131.228 |
| 18 | 2026-08-15 05:46 | 639223689592545140 |
|
116 ms | 143.198.131.228 |
| 17 | 2026-08-15 05:30 | 639223680143410810 |
|
123 ms | 143.198.131.228 |
| 16 | 2026-08-15 05:14 | 639223670514517104 |
|
340 ms | 143.198.131.228 |
| 15 | 2026-08-15 04:21 | 639223638855054294 |
|
334 ms | 143.198.131.228 |
| 14 | 2026-08-15 04:06 | 639223629623335972 |
|
120 ms | 143.198.131.228 |
| 13 | 2026-08-15 03:50 | 639223620390189495 |
|
2342 ms | 143.198.131.228 |
| 12 | 2026-08-15 03:35 | 639223610916950440 |
|
220 ms | 143.198.131.228 |
| 11 | 2026-08-15 03:19 | 639223601597759168 |
|
228 ms | 143.198.131.228 |
| 10 | 2026-08-15 03:04 | 639223592342172093 |
|
223 ms | 143.198.131.228 |
| 9 | 2026-08-15 02:48 | 639223583324121497 |
|
123 ms | 143.198.131.228 |
| 8 | 2026-08-15 02:33 | 639223574086714218 |
|
115 ms | 143.198.131.228 |
| 7 | 2026-08-15 02:18 | 639223564698424889 |
|
504 ms | 143.198.131.228 |
| 6 | 2026-08-15 02:02 | 639223555408664206 |
|
110 ms | 143.198.131.228 |
| 5 | 2026-08-15 01:46 | 639223546000912416 |
|
227 ms | 143.198.131.228 |
| 4 | 2026-08-15 01:31 | 639223536550774847 |
|
3 ms | 143.198.131.228 |
| 3 | 2026-08-15 00:38 | 639223505017205611 |
|
123 ms | 143.198.131.228 |
| 2 | 2026-08-15 00:23 | 639223495784410207 |
|
122 ms | 143.198.131.228 |
| 1 | 2026-08-15 00:07 | 639223486524583054 |
|
338 ms | 143.198.131.228 |