History for b.root-server.info
Domain: root-server.info • Tracking since 2026-08-04 23:25 UTC
DNS response history for b.root-server.info
b.root-server.info 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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 332 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-server.info.
Records on Selected Date
72
Historical checks stored for this nameserver on selected date
Average Latency
332 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-17 23:50
All timestamps shown in UTC
Latest Resolved IP on Selected Date
128.199.214.95
Most recently resolved hosting IP on selected date
Successful Responses
72
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-server.info
Showing DNS history for 2026-08-17 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 |
|---|---|---|---|---|---|
| 72 | 2026-08-17 23:50 | 639226072268080268 |
|
165 ms | 128.199.214.95 |
| 71 | 2026-08-17 23:34 | 639226062577647657 |
|
177 ms | 128.199.214.95 |
| 70 | 2026-08-17 22:41 | 639226031060857136 |
|
166 ms | 128.199.214.95 |
| 69 | 2026-08-17 22:25 | 639226021535117364 |
|
2242 ms | 128.199.214.95 |
| 68 | 2026-08-17 22:09 | 639226011884237078 |
|
20 ms | 128.199.214.95 |
| 67 | 2026-08-17 21:53 | 639226002309299142 |
|
50 ms | 128.199.214.95 |
| 66 | 2026-08-17 21:37 | 639225992791784448 |
|
164 ms | 128.199.214.95 |
| 65 | 2026-08-17 21:21 | 639225983045271390 |
|
39 ms | 128.199.214.95 |
| 64 | 2026-08-17 21:05 | 639225973246293513 |
|
5 ms | 128.199.214.95 |
| 63 | 2026-08-17 20:49 | 639225963620186236 |
|
22 ms | 128.199.214.95 |
| 62 | 2026-08-17 20:33 | 639225953899183916 |
|
209 ms | 128.199.214.95 |
| 61 | 2026-08-17 20:17 | 639225944391528206 |
|
20 ms | 128.199.214.95 |
| 60 | 2026-08-17 20:00 | 639225934593254169 |
|
56 ms | 128.199.214.95 |
| 59 | 2026-08-17 19:44 | 639225924669984512 |
|
51 ms | 128.199.214.95 |
| 58 | 2026-08-17 18:51 | 639225893048561320 |
|
2013 ms | 128.199.214.95 |
| 57 | 2026-08-17 18:35 | 639225883481298424 |
|
46 ms | 128.199.214.95 |
| 56 | 2026-08-17 18:19 | 639225873845394034 |
|
2111 ms | 128.199.214.95 |
| 55 | 2026-08-17 18:03 | 639225864216078662 |
|
47 ms | 128.199.214.95 |
| 54 | 2026-08-17 17:47 | 639225854541857773 |
|
42 ms | 128.199.214.95 |
| 53 | 2026-08-17 17:31 | 639225844733604072 |
|
67 ms | 128.199.214.95 |
| 52 | 2026-08-17 17:15 | 639225835085229232 |
|
10 ms | 128.199.214.95 |
| 51 | 2026-08-17 16:58 | 639225825349373981 |
|
41 ms | 128.199.214.95 |
| 50 | 2026-08-17 16:42 | 639225815690604161 |
|
51 ms | 128.199.214.95 |
| 49 | 2026-08-17 16:26 | 639225805952472306 |
|
47 ms | 128.199.214.95 |
| 48 | 2026-08-17 16:10 | 639225796264729638 |
|
54 ms | 128.199.214.95 |
| 47 | 2026-08-17 15:53 | 639225786326499329 |
|
207 ms | 128.199.214.95 |
| 46 | 2026-08-17 15:01 | 639225754798130711 |
|
303 ms | 128.199.214.95 |
| 45 | 2026-08-17 14:45 | 639225745123193922 |
|
44 ms | 128.199.214.95 |
| 44 | 2026-08-17 14:29 | 639225735540597271 |
|
328 ms | 128.199.214.95 |
| 43 | 2026-08-17 14:13 | 639225725894857396 |
|
49 ms | 128.199.214.95 |
| 42 | 2026-08-17 13:57 | 639225716249606913 |
|
7 ms | 128.199.214.95 |
| 41 | 2026-08-17 13:40 | 639225706638238179 |
|
20 ms | 128.199.214.95 |
| 40 | 2026-08-17 13:24 | 639225696949691423 |
|
47 ms | 128.199.214.95 |
| 39 | 2026-08-17 13:08 | 639225687286186336 |
|
83 ms | 128.199.214.95 |
| 38 | 2026-08-17 12:52 | 639225677679573133 |
|
2009 ms | 128.199.214.95 |
| 37 | 2026-08-17 12:36 | 639225667957861024 |
|
57 ms | 128.199.214.95 |
| 36 | 2026-08-17 12:20 | 639225658298791618 |
|
322 ms | 128.199.214.95 |
| 35 | 2026-08-17 12:04 | 639225648583652785 |
|
2021 ms | 128.199.214.95 |
| 34 | 2026-08-17 11:11 | 639225617000524308 |
|
79 ms | 128.199.214.95 |
| 33 | 2026-08-17 10:56 | 639225607668541600 |
|
73 ms | 128.199.214.95 |
| 32 | 2026-08-17 10:40 | 639225598117279238 |
|
56 ms | 128.199.214.95 |
| 31 | 2026-08-17 10:24 | 639225588751002710 |
|
47 ms | 128.199.214.95 |
| 30 | 2026-08-17 10:08 | 639225579295831051 |
|
2032 ms | 128.199.214.95 |
| 29 | 2026-08-17 09:52 | 639225569761469940 |
|
48 ms | 128.199.214.95 |
| 28 | 2026-08-17 09:36 | 639225560161422333 |
|
193 ms | 128.199.214.95 |
| 27 | 2026-08-17 09:21 | 639225550739955565 |
|
96 ms | 128.199.214.95 |
| 26 | 2026-08-17 09:05 | 639225541125222426 |
|
17 ms | 128.199.214.95 |
| 25 | 2026-08-17 08:49 | 639225531526675983 |
|
70 ms | 128.199.214.95 |
| 24 | 2026-08-17 08:33 | 639225521915528222 |
|
369 ms | 128.199.214.95 |
| 23 | 2026-08-17 08:16 | 639225512148151789 |
|
52 ms | 128.199.214.95 |
| 22 | 2026-08-17 07:24 | 639225480786142412 |
|
84 ms | 128.199.214.95 |
| 21 | 2026-08-17 07:08 | 639225471394348551 |
|
46 ms | 128.199.214.95 |
| 20 | 2026-08-17 06:53 | 639225462031685068 |
|
53 ms | 128.199.214.95 |
| 19 | 2026-08-17 06:37 | 639225452639458328 |
|
2071 ms | 128.199.214.95 |
| 18 | 2026-08-17 06:21 | 639225443300966543 |
|
2291 ms | 128.199.214.95 |
| 17 | 2026-08-17 06:06 | 639225433880499379 |
|
51 ms | 128.199.214.95 |
| 16 | 2026-08-17 05:50 | 639225424395198277 |
|
41 ms | 128.199.214.95 |
| 15 | 2026-08-17 05:34 | 639225414744137487 |
|
2045 ms | 128.199.214.95 |
| 14 | 2026-08-17 05:18 | 639225405186783164 |
|
177 ms | 128.199.214.95 |
| 13 | 2026-08-17 05:02 | 639225395563669822 |
|
49 ms | 128.199.214.95 |
| 12 | 2026-08-17 04:46 | 639225386076645158 |
|
49 ms | 128.199.214.95 |
| 11 | 2026-08-17 04:30 | 639225376620669704 |
|
18 ms | 128.199.214.95 |
| 10 | 2026-08-17 03:39 | 639225345580892706 |
|
39 ms | 128.199.214.95 |
| 9 | 2026-08-17 03:23 | 639225336207383710 |
|
33 ms | 128.199.214.95 |
| 8 | 2026-08-17 03:07 | 639225326726565001 |
|
49 ms | 128.199.214.95 |
| 7 | 2026-08-17 02:51 | 639225317249271010 |
|
40 ms | 128.199.214.95 |
| 6 | 2026-08-17 02:00 | 639225286280886044 |
|
7 ms | 128.199.214.95 |
| 5 | 2026-08-17 01:44 | 639225276872567548 |
|
22 ms | 128.199.214.95 |
| 4 | 2026-08-17 01:28 | 639225267353865348 |
|
36 ms | 128.199.214.95 |
| 3 | 2026-08-17 01:13 | 639225258033914248 |
|
75 ms | 128.199.214.95 |
| 2 | 2026-08-17 00:21 | 639225226652221583 |
|
50 ms | 128.199.214.95 |
| 1 | 2026-08-17 00:05 | 639225217156387684 |
|
48 ms | 128.199.214.95 |