History for b1.core-dns.net
Domain: core-dns.net • Tracking since 2026-08-04 23:25 UTC
DNS response history for b1.core-dns.net
b1.core-dns.net 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 2026-08-26. For this date, NameServerHistory found 53 DNS check records, 52 successful responses, 1 failed responses, and 143 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 b1.core-dns.net.
Records on Selected Date
53
Historical checks stored for this nameserver on selected date
Average Latency
143 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 17:35
All timestamps shown in UTC
Latest Resolved IP on Selected Date
69.90.188.220
Most recently resolved hosting IP on selected date
Successful Responses
52
Checks that returned a measurable response
Failed Responses
1
Checks with no response or no returned latency
Failure Rate
2%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for b1.core-dns.net
Showing DNS history for 2026-08-26 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 |
|---|---|---|---|---|---|
| 53 | 2026-08-26 17:35 | 639233624977342122 |
|
65 ms | 69.90.188.220 |
| 52 | 2026-08-26 17:18 | 639233614446136153 |
|
67 ms | 69.90.188.220 |
| 51 | 2026-08-26 17:00 | 639233603737877581 |
|
10 ms | 69.90.188.220 |
| 50 | 2026-08-26 16:42 | 639233593269224651 |
|
62 ms | 69.90.188.220 |
| 49 | 2026-08-26 16:25 | 639233582635086903 |
|
43 ms | 69.90.188.220 |
| 48 | 2026-08-26 16:07 | 639233572000374575 |
|
145 ms | 69.90.188.220 |
| 47 | 2026-08-26 15:49 | 639233561188633861 |
|
136 ms | 69.90.188.220 |
| 46 | 2026-08-26 15:31 | 639233550544357027 |
|
109 ms | 69.90.188.220 |
| 45 | 2026-08-26 14:37 | 639233517966053117 |
|
141 ms | 69.90.188.220 |
| 44 | 2026-08-26 14:20 | 639233507603253585 |
|
92 ms | 69.90.188.220 |
| 43 | 2026-08-26 14:02 | 639233497229039167 |
|
63 ms | 69.90.188.220 |
| 42 | 2026-08-26 13:45 | 639233486864546406 |
|
103 ms | 69.90.188.220 |
| 41 | 2026-08-26 13:28 | 639233476455174682 |
|
31 ms | 69.90.188.220 |
| 40 | 2026-08-26 13:11 | 639233466171592605 |
|
31 ms | 69.90.188.220 |
| 39 | 2026-08-26 12:53 | 639233455747096265 |
|
32 ms | 69.90.188.220 |
| 38 | 2026-08-26 12:36 | 639233445367152284 |
|
83 ms | 69.90.188.220 |
| 37 | 2026-08-26 12:19 | 639233434974187439 |
|
36 ms | 69.90.188.220 |
| 36 | 2026-08-26 12:01 | 639233424567558554 |
|
44 ms | 69.90.188.220 |
| 35 | 2026-08-26 11:44 | 639233414056832719 |
|
74 ms | 69.90.188.220 |
| 34 | 2026-08-26 11:26 | 639233403515141099 |
|
138 ms | 69.90.188.220 |
| 33 | 2026-08-26 10:32 | 639233370841350248 |
|
76 ms | 69.90.188.220 |
| 32 | 2026-08-26 10:14 | 639233360361507238 |
|
84 ms | 69.90.188.220 |
| 31 | 2026-08-26 09:57 | 639233350067824371 |
|
59 ms | 69.90.188.220 |
| 30 | 2026-08-26 09:40 | 639233339545274518 |
|
33 ms | 69.90.188.220 |
| 29 | 2026-08-26 09:22 | 639233329214918079 |
|
2028 ms | 69.90.188.220 |
| 28 | 2026-08-26 09:05 | 639233318749762337 |
|
21 ms | 69.90.188.220 |
| 27 | 2026-08-26 08:48 | 639233308387917838 |
|
63 ms | 69.90.188.220 |
| 26 | 2026-08-26 08:30 | 639233297961740122 |
|
107 ms | 69.90.188.220 |
| 25 | 2026-08-26 08:13 | 639233287487159094 |
|
51 ms | 69.90.188.220 |
| 24 | 2026-08-26 07:55 | 639233276995531707 |
|
109 ms | 69.90.188.220 |
| 23 | 2026-08-26 07:38 | 639233266521568229 |
|
88 ms | 69.90.188.220 |
| 22 | 2026-08-26 07:20 | 639233256081047431 |
|
75 ms | 69.90.188.220 |
| 21 | 2026-08-26 06:26 | 639233223620132921 |
|
34 ms | 69.90.188.220 |
| 20 | 2026-08-26 06:09 | 639233213287814244 |
|
12 ms | 69.90.188.220 |
| 19 | 2026-08-26 05:52 | 639233202925983161 |
|
148 ms | 69.90.188.220 |
| 18 | 2026-08-26 05:35 | 639233192644780696 |
|
35 ms | 69.90.188.220 |
| 17 | 2026-08-26 05:18 | 639233182401183833 |
|
20 ms | 69.90.188.220 |
| 16 | 2026-08-26 05:00 | 639233172074181051 |
|
50 ms | 69.90.188.220 |
| 15 | 2026-08-26 04:43 | 639233161808421455 |
|
67 ms | 69.90.188.220 |
| 14 | 2026-08-26 04:26 | 639233151357344052 |
|
27 ms | 69.90.188.220 |
| 13 | 2026-08-26 04:09 | 639233141034116946 |
|
128 ms | 69.90.188.220 |
| 12 | 2026-08-26 03:52 | 639233130828334142 |
|
96 ms | 69.90.188.220 |
| 11 | 2026-08-26 03:34 | 639233120373450007 |
|
36 ms | 69.90.188.220 |
| 10 | 2026-08-26 03:17 | 639233110066216193 |
|
32 ms | 69.90.188.220 |
| 9 | 2026-08-26 02:24 | 639233078065410564 |
|
123 ms | 69.90.188.220 |
| 8 | 2026-08-26 02:07 | 639233067787457832 |
|
2026 ms | 69.90.188.220 |
| 7 | 2026-08-26 01:49 | 639233057501801162 |
|
59 ms | 69.90.188.220 |
| 6 | 2026-08-26 01:32 | 639233047089431703 |
|
62 ms | 69.90.188.220 |
| 5 | 2026-08-26 01:15 | 639233036754790688 |
|
- | |
| 4 | 2026-08-26 00:58 | 639233026412602472 |
|
28 ms | 69.90.188.220 |
| 3 | 2026-08-26 00:40 | 639233016064066127 |
|
52 ms | 69.90.188.220 |
| 2 | 2026-08-26 00:23 | 639233005922655772 |
|
65 ms | 69.90.188.220 |
| 1 | 2026-08-26 00:06 | 639232995672256907 |
|
37 ms | 69.90.188.220 |