History for b.iana-servers.net
Domain: iana-servers.net • Tracking since 2026-08-04 23:25 UTC
DNS response history for b.iana-servers.net
b.iana-servers.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 38 DNS check records, 35 successful responses, 3 failed responses, and 98 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.iana-servers.net.
Records on Selected Date
38
Historical checks stored for this nameserver on selected date
Average Latency
98 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 12:41
All timestamps shown in UTC
Latest Resolved IP on Selected Date
199.43.133.53
Most recently resolved hosting IP on selected date
Successful Responses
35
Checks that returned a measurable response
Failed Responses
3
Checks with no response or no returned latency
Failure Rate
8%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for b.iana-servers.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 |
|---|---|---|---|---|---|
| 38 | 2026-08-26 12:41 | 639233445367152284 |
|
121 ms | 199.43.133.53 |
| 37 | 2026-08-26 12:23 | 639233434974187439 |
|
16 ms | 199.43.133.53 |
| 36 | 2026-08-26 12:06 | 639233424567558554 |
|
54 ms | 199.43.133.53 |
| 35 | 2026-08-26 11:48 | 639233414056832719 |
|
52 ms | 199.43.133.53 |
| 34 | 2026-08-26 11:31 | 639233403515141099 |
|
51 ms | 199.43.133.53 |
| 33 | 2026-08-26 10:36 | 639233370841350248 |
|
- | |
| 32 | 2026-08-26 10:19 | 639233360361507238 |
|
249 ms | 199.43.133.53 |
| 31 | 2026-08-26 10:02 | 639233350067824371 |
|
109 ms | 199.43.133.53 |
| 30 | 2026-08-26 09:44 | 639233339545274518 |
|
14 ms | 199.43.133.53 |
| 29 | 2026-08-26 09:27 | 639233329214918079 |
|
53 ms | 199.43.133.53 |
| 28 | 2026-08-26 09:10 | 639233318749762337 |
|
10 ms | 199.43.133.53 |
| 27 | 2026-08-26 08:52 | 639233308387917838 |
|
94 ms | 199.43.133.53 |
| 26 | 2026-08-26 08:35 | 639233297961740122 |
|
55 ms | 199.43.133.53 |
| 25 | 2026-08-26 08:18 | 639233287487159094 |
|
30 ms | 199.43.133.53 |
| 24 | 2026-08-26 08:00 | 639233276995531707 |
|
198 ms | 199.43.133.53 |
| 23 | 2026-08-26 07:43 | 639233266521568229 |
|
50 ms | 199.43.133.53 |
| 22 | 2026-08-26 07:25 | 639233256081047431 |
|
96 ms | 199.43.133.53 |
| 21 | 2026-08-26 06:31 | 639233223620132921 |
|
118 ms | 199.43.133.53 |
| 20 | 2026-08-26 06:14 | 639233213287814244 |
|
76 ms | 199.43.133.53 |
| 19 | 2026-08-26 05:57 | 639233202925983161 |
|
474 ms | 199.43.133.53 |
| 18 | 2026-08-26 05:39 | 639233192644780696 |
|
67 ms | 199.43.133.53 |
| 17 | 2026-08-26 05:22 | 639233182401183833 |
|
72 ms | 199.43.133.53 |
| 16 | 2026-08-26 05:05 | 639233172074181051 |
|
87 ms | 199.43.133.53 |
| 15 | 2026-08-26 04:48 | 639233161808421455 |
|
203 ms | 199.43.133.53 |
| 14 | 2026-08-26 04:31 | 639233151357344052 |
|
141 ms | 199.43.133.53 |
| 13 | 2026-08-26 04:13 | 639233141034116946 |
|
37 ms | 199.43.133.53 |
| 12 | 2026-08-26 03:56 | 639233130828334142 |
|
80 ms | 199.43.133.53 |
| 11 | 2026-08-26 03:39 | 639233120373450007 |
|
405 ms | 199.43.133.53 |
| 10 | 2026-08-26 03:22 | 639233110066216193 |
|
134 ms | 199.43.133.53 |
| 9 | 2026-08-26 02:28 | 639233078065410564 |
|
31 ms | 199.43.133.53 |
| 8 | 2026-08-26 02:11 | 639233067787457832 |
|
- | |
| 7 | 2026-08-26 01:54 | 639233057501801162 |
|
5 ms | 199.43.133.53 |
| 6 | 2026-08-26 01:37 | 639233047089431703 |
|
19 ms | 199.43.133.53 |
| 5 | 2026-08-26 01:20 | 639233036754790688 |
|
65 ms | 199.43.133.53 |
| 4 | 2026-08-26 01:02 | 639233026412602472 |
|
36 ms | 199.43.133.53 |
| 3 | 2026-08-26 00:45 | 639233016064066127 |
|
- | |
| 2 | 2026-08-26 00:28 | 639233005922655772 |
|
55 ms | 199.43.133.53 |
| 1 | 2026-08-26 00:11 | 639232995672256907 |
|
64 ms | 199.43.133.53 |