History for b.root--servers.com
Domain: root--servers.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for b.root--servers.com
b.root--servers.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 2026-08-16. For this date, NameServerHistory found 61 DNS check records, 61 successful responses, 0 failed responses, and 206 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.com.
Records on Selected Date
61
Historical checks stored for this nameserver on selected date
Average Latency
206 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-16 23:56
All timestamps shown in UTC
Latest Resolved IP on Selected Date
192.3.150.67
Most recently resolved hosting IP on selected date
Successful Responses
61
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.com
Showing DNS history for 2026-08-16 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 |
|---|---|---|---|---|---|
| 61 | 2026-08-16 23:56 | 639225207490611656 |
|
243 ms | 192.3.150.67 |
| 60 | 2026-08-16 23:40 | 639225198045815385 |
|
115 ms | 192.3.150.67 |
| 59 | 2026-08-16 22:49 | 639225166825544741 |
|
221 ms | 192.3.150.67 |
| 58 | 2026-08-16 22:33 | 639225157549461269 |
|
3 ms | 192.3.150.67 |
| 57 | 2026-08-16 22:17 | 639225147914556308 |
|
222 ms | 192.3.150.67 |
| 56 | 2026-08-16 22:01 | 639225138472322960 |
|
224 ms | 192.3.150.67 |
| 55 | 2026-08-16 21:09 | 639225107211236826 |
|
115 ms | 192.3.150.67 |
| 54 | 2026-08-16 20:53 | 639225097684457510 |
|
245 ms | 192.3.150.67 |
| 53 | 2026-08-16 20:37 | 639225087942913396 |
|
243 ms | 192.3.150.67 |
| 52 | 2026-08-16 20:21 | 639225078238684183 |
|
146 ms | 192.3.150.67 |
| 51 | 2026-08-16 19:29 | 639225046944151094 |
|
130 ms | 192.3.150.67 |
| 50 | 2026-08-16 19:13 | 639225037234857231 |
|
229 ms | 192.3.150.67 |
| 49 | 2026-08-16 18:56 | 639225027423459920 |
|
230 ms | 192.3.150.67 |
| 48 | 2026-08-16 18:40 | 639225017891613027 |
|
238 ms | 192.3.150.67 |
| 47 | 2026-08-16 17:48 | 639224986298183527 |
|
221 ms | 192.3.150.67 |
| 46 | 2026-08-16 17:32 | 639224976567107023 |
|
239 ms | 192.3.150.67 |
| 45 | 2026-08-16 17:16 | 639224966709723386 |
|
228 ms | 192.3.150.67 |
| 44 | 2026-08-16 16:59 | 639224957175756942 |
|
232 ms | 192.3.150.67 |
| 43 | 2026-08-16 16:07 | 639224925782379869 |
|
225 ms | 192.3.150.67 |
| 42 | 2026-08-16 15:51 | 639224916429532459 |
|
9 ms | 192.3.150.67 |
| 41 | 2026-08-16 15:35 | 639224906878325623 |
|
120 ms | 192.3.150.67 |
| 40 | 2026-08-16 15:19 | 639224897258974385 |
|
107 ms | 192.3.150.67 |
| 39 | 2026-08-16 14:28 | 639224866169532828 |
|
226 ms | 192.3.150.67 |
| 38 | 2026-08-16 14:12 | 639224856561831915 |
|
145 ms | 192.3.150.67 |
| 37 | 2026-08-16 13:55 | 639224846830897794 |
|
115 ms | 192.3.150.67 |
| 36 | 2026-08-16 13:39 | 639224836975863283 |
|
109 ms | 192.3.150.67 |
| 35 | 2026-08-16 12:46 | 639224804985340946 |
|
227 ms | 192.3.150.67 |
| 34 | 2026-08-16 12:30 | 639224795567782333 |
|
108 ms | 192.3.150.67 |
| 33 | 2026-08-16 12:14 | 639224785914225250 |
|
233 ms | 192.3.150.67 |
| 32 | 2026-08-16 11:58 | 639224776383854998 |
|
222 ms | 192.3.150.67 |
| 31 | 2026-08-16 11:05 | 639224744252113993 |
|
122 ms | 192.3.150.67 |
| 30 | 2026-08-16 10:49 | 639224734238905542 |
|
222 ms | 192.3.150.67 |
| 29 | 2026-08-16 10:32 | 639224724335031221 |
|
223 ms | 192.3.150.67 |
| 28 | 2026-08-16 10:15 | 639224714475244430 |
|
118 ms | 192.3.150.67 |
| 27 | 2026-08-16 09:20 | 639224681063874153 |
|
2142 ms | 192.3.150.67 |
| 26 | 2026-08-16 09:03 | 639224671038956665 |
|
120 ms | 192.3.150.67 |
| 25 | 2026-08-16 08:46 | 639224661079806122 |
|
111 ms | 192.3.150.67 |
| 24 | 2026-08-16 08:30 | 639224651169993038 |
|
226 ms | 192.3.150.67 |
| 23 | 2026-08-16 07:36 | 639224618882283050 |
|
233 ms | 192.3.150.67 |
| 22 | 2026-08-16 07:20 | 639224609519965372 |
|
234 ms | 192.3.150.67 |
| 21 | 2026-08-16 07:04 | 639224599969658888 |
|
231 ms | 192.3.150.67 |
| 20 | 2026-08-16 06:48 | 639224590360343307 |
|
109 ms | 192.3.150.67 |
| 19 | 2026-08-16 05:56 | 639224558901831832 |
|
148 ms | 192.3.150.67 |
| 18 | 2026-08-16 05:40 | 639224549678210576 |
|
221 ms | 192.3.150.67 |
| 17 | 2026-08-16 05:25 | 639224540433420642 |
|
110 ms | 192.3.150.67 |
| 16 | 2026-08-16 05:09 | 639224531046032443 |
|
124 ms | 192.3.150.67 |
| 15 | 2026-08-16 04:17 | 639224499638024410 |
|
218 ms | 192.3.150.67 |
| 14 | 2026-08-16 04:02 | 639224490358783451 |
|
144 ms | 192.3.150.67 |
| 13 | 2026-08-16 03:46 | 639224481111410545 |
|
216 ms | 192.3.150.67 |
| 12 | 2026-08-16 03:30 | 639224471809153772 |
|
118 ms | 192.3.150.67 |
| 11 | 2026-08-16 02:38 | 639224440124457324 |
|
227 ms | 192.3.150.67 |
| 10 | 2026-08-16 02:23 | 639224430921105721 |
|
122 ms | 192.3.150.67 |
| 9 | 2026-08-16 02:07 | 639224421455433103 |
|
226 ms | 192.3.150.67 |
| 8 | 2026-08-16 01:51 | 639224412089740331 |
|
226 ms | 192.3.150.67 |
| 7 | 2026-08-16 01:36 | 639224403168392868 |
|
147 ms | 192.3.150.67 |
| 6 | 2026-08-16 01:21 | 639224393856251387 |
|
243 ms | 192.3.150.67 |
| 5 | 2026-08-16 01:05 | 639224384677141438 |
|
6 ms | 192.3.150.67 |
| 4 | 2026-08-16 00:50 | 639224375597986398 |
|
222 ms | 192.3.150.67 |
| 3 | 2026-08-16 00:35 | 639224366430296466 |
|
119 ms | 192.3.150.67 |
| 2 | 2026-08-16 00:19 | 639224357218176789 |
|
123 ms | 192.3.150.67 |
| 1 | 2026-08-16 00:04 | 639224347685767174 |
|
128 ms | 192.3.150.67 |