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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 613 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
74
Historical checks stored for this nameserver on selected date
Average Latency
613 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-19 23:51
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
74
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 2026-08-19 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 |
|---|---|---|---|---|---|
| 74 | 2026-08-19 23:51 | 639227795899225951 |
|
3 ms | 192.3.150.67 |
| 73 | 2026-08-19 23:35 | 639227786351762008 |
|
9 ms | 192.3.150.67 |
| 72 | 2026-08-19 23:19 | 639227776640591733 |
|
223 ms | 192.3.150.67 |
| 71 | 2026-08-19 23:03 | 639227767128841282 |
|
226 ms | 192.3.150.67 |
| 70 | 2026-08-19 22:47 | 639227757477304711 |
|
1783 ms | 192.3.150.67 |
| 69 | 2026-08-19 22:30 | 639227747572098014 |
|
224 ms | 192.3.150.67 |
| 68 | 2026-08-19 22:14 | 639227737588613113 |
|
229 ms | 192.3.150.67 |
| 67 | 2026-08-19 21:21 | 639227706134603955 |
|
3 ms | 192.3.150.67 |
| 66 | 2026-08-19 21:05 | 639227696589027396 |
|
264 ms | 192.3.150.67 |
| 65 | 2026-08-19 20:49 | 639227687097707639 |
|
2109 ms | 192.3.150.67 |
| 64 | 2026-08-19 20:33 | 639227677474464487 |
|
228 ms | 192.3.150.67 |
| 63 | 2026-08-19 20:17 | 639227667767441118 |
|
240 ms | 192.3.150.67 |
| 62 | 2026-08-19 20:01 | 639227657984833832 |
|
146 ms | 192.3.150.67 |
| 61 | 2026-08-19 19:45 | 639227648079992640 |
|
225 ms | 192.3.150.67 |
| 60 | 2026-08-19 19:28 | 639227638125048441 |
|
1660 ms | 192.3.150.67 |
| 59 | 2026-08-19 19:11 | 639227628211392142 |
|
248 ms | 192.3.150.67 |
| 58 | 2026-08-19 18:55 | 639227618261696275 |
|
226 ms | 192.3.150.67 |
| 57 | 2026-08-19 18:38 | 639227608366233645 |
|
228 ms | 192.3.150.67 |
| 56 | 2026-08-19 18:22 | 639227598301787588 |
|
230 ms | 192.3.150.67 |
| 55 | 2026-08-19 17:28 | 639227566241010716 |
|
3804 ms | 192.3.150.67 |
| 54 | 2026-08-19 17:12 | 639227556454538959 |
|
230 ms | 192.3.150.67 |
| 53 | 2026-08-19 16:55 | 639227546640305542 |
|
243 ms | 192.3.150.67 |
| 52 | 2026-08-19 16:39 | 639227536965466472 |
|
9 ms | 192.3.150.67 |
| 51 | 2026-08-19 16:23 | 639227527048658280 |
|
2123 ms | 192.3.150.67 |
| 50 | 2026-08-19 16:06 | 639227517386634438 |
|
219 ms | 192.3.150.67 |
| 49 | 2026-08-19 15:50 | 639227507459551637 |
|
224 ms | 192.3.150.67 |
| 48 | 2026-08-19 15:34 | 639227497515595277 |
|
230 ms | 192.3.150.67 |
| 47 | 2026-08-19 15:17 | 639227487441798036 |
|
232 ms | 192.3.150.67 |
| 46 | 2026-08-19 15:00 | 639227477445551863 |
|
232 ms | 192.3.150.67 |
| 45 | 2026-08-19 14:43 | 639227467297067891 |
|
145 ms | 192.3.150.67 |
| 44 | 2026-08-19 14:26 | 639227457057795635 |
|
247 ms | 192.3.150.67 |
| 43 | 2026-08-19 13:33 | 639227425244777397 |
|
225 ms | 192.3.150.67 |
| 42 | 2026-08-19 13:17 | 639227415422116485 |
|
230 ms | 192.3.150.67 |
| 41 | 2026-08-19 13:00 | 639227405307256053 |
|
228 ms | 192.3.150.67 |
| 40 | 2026-08-19 12:43 | 639227395396602630 |
|
221 ms | 192.3.150.67 |
| 39 | 2026-08-19 12:27 | 639227385510363611 |
|
227 ms | 192.3.150.67 |
| 38 | 2026-08-19 12:10 | 639227375508324850 |
|
227 ms | 192.3.150.67 |
| 37 | 2026-08-19 11:53 | 639227365326611906 |
|
825 ms | 192.3.150.67 |
| 36 | 2026-08-19 11:37 | 639227355360014208 |
|
223 ms | 192.3.150.67 |
| 35 | 2026-08-19 11:20 | 639227345036782165 |
|
2158 ms | 192.3.150.67 |
| 34 | 2026-08-19 11:03 | 639227334992964533 |
|
225 ms | 192.3.150.67 |
| 33 | 2026-08-19 10:46 | 639227324986605572 |
|
149 ms | 192.3.150.67 |
| 32 | 2026-08-19 10:29 | 639227314928414539 |
|
227 ms | 192.3.150.67 |
| 31 | 2026-08-19 09:36 | 639227283029182134 |
|
2150 ms | 192.3.150.67 |
| 30 | 2026-08-19 09:20 | 639227273294779350 |
|
232 ms | 192.3.150.67 |
| 29 | 2026-08-19 09:03 | 639227263525231313 |
|
2193 ms | 192.3.150.67 |
| 28 | 2026-08-19 08:47 | 639227253578313363 |
|
231 ms | 192.3.150.67 |
| 27 | 2026-08-19 08:30 | 639227243649973322 |
|
227 ms | 192.3.150.67 |
| 26 | 2026-08-19 08:14 | 639227233581059317 |
|
840 ms | 192.3.150.67 |
| 25 | 2026-08-19 07:57 | 639227223667352067 |
|
2141 ms | 192.3.150.67 |
| 24 | 2026-08-19 07:41 | 639227213714837066 |
|
224 ms | 192.3.150.67 |
| 23 | 2026-08-19 07:24 | 639227203701208496 |
|
225 ms | 192.3.150.67 |
| 22 | 2026-08-19 07:07 | 639227193643202179 |
|
224 ms | 192.3.150.67 |
| 21 | 2026-08-19 06:50 | 639227183584431597 |
|
223 ms | 192.3.150.67 |
| 20 | 2026-08-19 06:34 | 639227173347403088 |
|
231 ms | 192.3.150.67 |
| 19 | 2026-08-19 05:40 | 639227141523007601 |
|
2131 ms | 192.3.150.67 |
| 18 | 2026-08-19 05:24 | 639227131785931574 |
|
226 ms | 192.3.150.67 |
| 17 | 2026-08-19 05:08 | 639227122176475389 |
|
3735 ms | 192.3.150.67 |
| 16 | 2026-08-19 04:52 | 639227112668934596 |
|
230 ms | 192.3.150.67 |
| 15 | 2026-08-19 04:36 | 639227102773292788 |
|
266 ms | 192.3.150.67 |
| 14 | 2026-08-19 04:19 | 639227093141136930 |
|
6 ms | 192.3.150.67 |
| 13 | 2026-08-19 04:03 | 639227083449420147 |
|
147 ms | 192.3.150.67 |
| 12 | 2026-08-19 03:47 | 639227073771748493 |
|
232 ms | 192.3.150.67 |
| 11 | 2026-08-19 03:31 | 639227063977347614 |
|
2137 ms | 192.3.150.67 |
| 10 | 2026-08-19 03:15 | 639227054253519024 |
|
225 ms | 192.3.150.67 |
| 9 | 2026-08-19 02:58 | 639227044381963886 |
|
341 ms | 192.3.150.67 |
| 8 | 2026-08-19 02:42 | 639227034441085514 |
|
226 ms | 192.3.150.67 |
| 7 | 2026-08-19 01:49 | 639227003126489968 |
|
223 ms | 192.3.150.67 |
| 6 | 2026-08-19 01:33 | 639226993456311614 |
|
230 ms | 192.3.150.67 |
| 5 | 2026-08-19 01:17 | 639226983847312345 |
|
2131 ms | 192.3.150.67 |
| 4 | 2026-08-19 01:01 | 639226974357874853 |
|
225 ms | 192.3.150.67 |
| 3 | 2026-08-19 00:45 | 639226964670484721 |
|
9 ms | 192.3.150.67 |
| 2 | 2026-08-19 00:29 | 639226954857899696 |
|
219 ms | 192.3.150.67 |
| 1 | 2026-08-19 00:13 | 639226945091603488 |
|
1640 ms | 192.3.150.67 |