History for a.root--servers.com
Domain: root--servers.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for a.root--servers.com
a.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 2026-08-24. For this date, NameServerHistory found 56 DNS check records, 56 successful responses, 0 failed responses, and 378 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 a.root--servers.com.
Records on Selected Date
56
Historical checks stored for this nameserver on selected date
Average Latency
378 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 23:58
All timestamps shown in UTC
Latest Resolved IP on Selected Date
198.144.183.102
Most recently resolved hosting IP on selected date
Successful Responses
56
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 a.root--servers.com
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 56 | 2026-08-24 23:58 | 639232119551972438 |
|
243 ms | 198.144.183.102 |
| 55 | 2026-08-24 23:40 | 639232109112567473 |
|
108 ms | 198.144.183.102 |
| 54 | 2026-08-24 22:47 | 639232077430823987 |
|
3 ms | 198.144.183.102 |
| 53 | 2026-08-24 22:30 | 639232067340513033 |
|
257 ms | 198.144.183.102 |
| 52 | 2026-08-24 22:13 | 639232057157944387 |
|
108 ms | 198.144.183.102 |
| 51 | 2026-08-24 21:56 | 639232046895282144 |
|
262 ms | 198.144.183.102 |
| 50 | 2026-08-24 21:03 | 639232014356623395 |
|
3 ms | 198.144.183.102 |
| 49 | 2026-08-24 20:45 | 639232004177831322 |
|
246 ms | 198.144.183.102 |
| 48 | 2026-08-24 20:28 | 639231993997863976 |
|
122 ms | 198.144.183.102 |
| 47 | 2026-08-24 20:11 | 639231983967363696 |
|
122 ms | 198.144.183.102 |
| 46 | 2026-08-24 19:19 | 639231952257842845 |
|
7 ms | 198.144.183.102 |
| 45 | 2026-08-24 19:02 | 639231942277816756 |
|
262 ms | 198.144.183.102 |
| 44 | 2026-08-24 18:45 | 639231932094180724 |
|
110 ms | 198.144.183.102 |
| 43 | 2026-08-24 18:28 | 639231922041034838 |
|
113 ms | 198.144.183.102 |
| 42 | 2026-08-24 17:35 | 639231890488117536 |
|
2135 ms | 198.144.183.102 |
| 41 | 2026-08-24 17:19 | 639231880574255543 |
|
2116 ms | 198.144.183.102 |
| 40 | 2026-08-24 17:02 | 639231870418029045 |
|
1641 ms | 198.144.183.102 |
| 39 | 2026-08-24 16:45 | 639231860258429562 |
|
277 ms | 198.144.183.102 |
| 38 | 2026-08-24 15:52 | 639231828211839931 |
|
33 ms | 198.144.183.102 |
| 37 | 2026-08-24 15:35 | 639231818080917481 |
|
2261 ms | 198.144.183.102 |
| 36 | 2026-08-24 15:18 | 639231807961539652 |
|
129 ms | 198.144.183.102 |
| 35 | 2026-08-24 15:01 | 639231797631669865 |
|
253 ms | 198.144.183.102 |
| 34 | 2026-08-24 14:08 | 639231765923559455 |
|
260 ms | 198.144.183.102 |
| 33 | 2026-08-24 13:51 | 639231755868832964 |
|
2115 ms | 198.144.183.102 |
| 32 | 2026-08-24 13:34 | 639231745628278877 |
|
4 ms | 198.144.183.102 |
| 31 | 2026-08-24 13:17 | 639231735407682062 |
|
110 ms | 198.144.183.102 |
| 30 | 2026-08-24 12:24 | 639231703815441688 |
|
4 ms | 198.144.183.102 |
| 29 | 2026-08-24 12:08 | 639231693747052549 |
|
114 ms | 198.144.183.102 |
| 28 | 2026-08-24 11:51 | 639231683712487276 |
|
114 ms | 198.144.183.102 |
| 27 | 2026-08-24 11:34 | 639231673513573868 |
|
245 ms | 198.144.183.102 |
| 26 | 2026-08-24 10:41 | 639231641791249939 |
|
124 ms | 198.144.183.102 |
| 25 | 2026-08-24 10:25 | 639231631866211033 |
|
846 ms | 198.144.183.102 |
| 24 | 2026-08-24 10:08 | 639231621644955316 |
|
269 ms | 198.144.183.102 |
| 23 | 2026-08-24 09:51 | 639231611478799259 |
|
4 ms | 198.144.183.102 |
| 22 | 2026-08-24 08:58 | 639231579923718211 |
|
244 ms | 198.144.183.102 |
| 21 | 2026-08-24 08:41 | 639231569810702936 |
|
255 ms | 198.144.183.102 |
| 20 | 2026-08-24 08:24 | 639231559762411619 |
|
251 ms | 198.144.183.102 |
| 19 | 2026-08-24 08:07 | 639231549663595407 |
|
108 ms | 198.144.183.102 |
| 18 | 2026-08-24 07:15 | 639231518076817246 |
|
117 ms | 198.144.183.102 |
| 17 | 2026-08-24 06:58 | 639231508078650885 |
|
5 ms | 198.144.183.102 |
| 16 | 2026-08-24 06:42 | 639231498210697093 |
|
240 ms | 198.144.183.102 |
| 15 | 2026-08-24 06:25 | 639231488109699360 |
|
251 ms | 198.144.183.102 |
| 14 | 2026-08-24 05:33 | 639231456772510692 |
|
241 ms | 198.144.183.102 |
| 13 | 2026-08-24 05:16 | 639231447084631185 |
|
250 ms | 198.144.183.102 |
| 12 | 2026-08-24 05:00 | 639231437208519473 |
|
245 ms | 198.144.183.102 |
| 11 | 2026-08-24 04:43 | 639231427209627490 |
|
854 ms | 198.144.183.102 |
| 10 | 2026-08-24 03:51 | 639231395791246644 |
|
2172 ms | 198.144.183.102 |
| 9 | 2026-08-24 03:35 | 639231386075551458 |
|
10 ms | 198.144.183.102 |
| 8 | 2026-08-24 03:18 | 639231376208713791 |
|
122 ms | 198.144.183.102 |
| 7 | 2026-08-24 03:02 | 639231366170589276 |
|
255 ms | 198.144.183.102 |
| 6 | 2026-08-24 02:09 | 639231334732159368 |
|
4 ms | 198.144.183.102 |
| 5 | 2026-08-24 01:53 | 639231325035670078 |
|
4 ms | 198.144.183.102 |
| 4 | 2026-08-24 01:37 | 639231315132253837 |
|
254 ms | 198.144.183.102 |
| 3 | 2026-08-24 01:20 | 639231305014280808 |
|
254 ms | 198.144.183.102 |
| 2 | 2026-08-24 00:28 | 639231273779380675 |
|
4 ms | 198.144.183.102 |
| 1 | 2026-08-24 00:12 | 639231264180839154 |
|
4 ms | 198.144.183.102 |