History for a.root-servers.net
Domain: root-servers.net • Tracking since 2026-04-29 22:26 UTC
Records on Selected Date
94
Historical checks stored for this nameserver on selected date
Average Latency
21 ms
Calculated from available response records
Latest Check on Selected Date
2026-06-21 23:57
All timestamps shown in UTC
Latest Resolved IP on Selected Date
198.41.0.4
Most recently resolved hosting IP on selected date
Successful Responses
94
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.net
Showing DNS history for 2026-06-21 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 |
|---|---|---|---|---|---|
| 94 | 2026-06-21 23:57 | 639176830699309057 |
|
19 ms | 198.41.0.4 |
| 93 | 2026-06-21 23:42 | 639176821514108058 |
|
4 ms | 198.41.0.4 |
| 92 | 2026-06-21 23:27 | 639176812336963972 |
|
72 ms | 198.41.0.4 |
| 91 | 2026-06-21 23:11 | 639176802963584600 |
|
4 ms | 198.41.0.4 |
| 90 | 2026-06-21 22:56 | 639176793754457181 |
|
8 ms | 198.41.0.4 |
| 89 | 2026-06-21 22:40 | 639176784588175141 |
|
5 ms | 198.41.0.4 |
| 88 | 2026-06-21 22:25 | 639176775416738108 |
|
5 ms | 198.41.0.4 |
| 87 | 2026-06-21 22:10 | 639176766239504524 |
|
3 ms | 198.41.0.4 |
| 86 | 2026-06-21 21:54 | 639176756878844561 |
|
87 ms | 198.41.0.4 |
| 85 | 2026-06-21 21:38 | 639176747395089295 |
|
6 ms | 198.41.0.4 |
| 84 | 2026-06-21 21:23 | 639176738262622153 |
|
4 ms | 198.41.0.4 |
| 83 | 2026-06-21 21:08 | 639176729129143527 |
|
3 ms | 198.41.0.4 |
| 82 | 2026-06-21 20:53 | 639176719902866624 |
|
30 ms | 198.41.0.4 |
| 81 | 2026-06-21 20:37 | 639176710695865615 |
|
2 ms | 198.41.0.4 |
| 80 | 2026-06-21 20:22 | 639176701543622232 |
|
93 ms | 198.41.0.4 |
| 79 | 2026-06-21 20:06 | 639176692169231665 |
|
2 ms | 198.41.0.4 |
| 78 | 2026-06-21 19:51 | 639176683040607437 |
|
13 ms | 198.41.0.4 |
| 77 | 2026-06-21 19:36 | 639176673769591381 |
|
9 ms | 198.41.0.4 |
| 76 | 2026-06-21 19:20 | 639176664539288590 |
|
14 ms | 198.41.0.4 |
| 75 | 2026-06-21 19:05 | 639176655338541634 |
|
4 ms | 198.41.0.4 |
| 74 | 2026-06-21 18:50 | 639176646170539001 |
|
98 ms | 198.41.0.4 |
| 73 | 2026-06-21 18:34 | 639176636831171892 |
|
7 ms | 198.41.0.4 |
| 72 | 2026-06-21 18:19 | 639176627647075076 |
|
13 ms | 198.41.0.4 |
| 71 | 2026-06-21 18:04 | 639176618411482863 |
|
5 ms | 198.41.0.4 |
| 70 | 2026-06-21 17:48 | 639176609012484476 |
|
3 ms | 198.41.0.4 |
| 69 | 2026-06-21 17:33 | 639176599873755323 |
|
3 ms | 198.41.0.4 |
| 68 | 2026-06-21 17:18 | 639176590850995340 |
|
85 ms | 198.41.0.4 |
| 67 | 2026-06-21 17:02 | 639176581556584455 |
|
5 ms | 198.41.0.4 |
| 66 | 2026-06-21 16:47 | 639176572530845038 |
|
7 ms | 198.41.0.4 |
| 65 | 2026-06-21 16:32 | 639176563290682419 |
|
7 ms | 198.41.0.4 |
| 64 | 2026-06-21 16:17 | 639176554253806798 |
|
3 ms | 198.41.0.4 |
| 63 | 2026-06-21 16:01 | 639176545117415076 |
|
4 ms | 198.41.0.4 |
| 62 | 2026-06-21 15:46 | 639176535989408274 |
|
79 ms | 198.41.0.4 |
| 61 | 2026-06-21 15:31 | 639176526628911856 |
|
3 ms | 198.41.0.4 |
| 60 | 2026-06-21 15:15 | 639176517466098003 |
|
10 ms | 198.41.0.4 |
| 59 | 2026-06-21 15:00 | 639176508135272149 |
|
13 ms | 198.41.0.4 |
| 58 | 2026-06-21 14:44 | 639176498989200235 |
|
5 ms | 198.41.0.4 |
| 57 | 2026-06-21 14:29 | 639176489904723829 |
|
5 ms | 198.41.0.4 |
| 56 | 2026-06-21 14:14 | 639176480759285046 |
|
89 ms | 198.41.0.4 |
| 55 | 2026-06-21 13:58 | 639176471337194307 |
|
2 ms | 198.41.0.4 |
| 54 | 2026-06-21 13:43 | 639176462182920373 |
|
3 ms | 198.41.0.4 |
| 53 | 2026-06-21 13:28 | 639176452948621946 |
|
13 ms | 198.41.0.4 |
| 52 | 2026-06-21 13:12 | 639176443501437663 |
|
6 ms | 198.41.0.4 |
| 51 | 2026-06-21 12:57 | 639176434398455476 |
|
9 ms | 198.41.0.4 |
| 50 | 2026-06-21 12:41 | 639176424907182149 |
|
71 ms | 198.41.0.4 |
| 49 | 2026-06-21 12:25 | 639176415382864929 |
|
14 ms | 198.41.0.4 |
| 48 | 2026-06-21 12:10 | 639176406380426942 |
|
8 ms | 198.41.0.4 |
| 47 | 2026-06-21 11:55 | 639176397284678967 |
|
9 ms | 198.41.0.4 |
| 46 | 2026-06-21 11:40 | 639176388036280740 |
|
5 ms | 198.41.0.4 |
| 45 | 2026-06-21 11:24 | 639176378913820638 |
|
2 ms | 198.41.0.4 |
| 44 | 2026-06-21 11:09 | 639176369695724648 |
|
98 ms | 198.41.0.4 |
| 43 | 2026-06-21 10:53 | 639176360317276921 |
|
6 ms | 198.41.0.4 |
| 42 | 2026-06-21 10:38 | 639176351116433182 |
|
13 ms | 198.41.0.4 |
| 41 | 2026-06-21 10:23 | 639176341972154207 |
|
4 ms | 198.41.0.4 |
| 40 | 2026-06-21 10:08 | 639176333054889839 |
|
3 ms | 198.41.0.4 |
| 39 | 2026-06-21 09:53 | 639176323978000096 |
|
5 ms | 198.41.0.4 |
| 38 | 2026-06-21 09:38 | 639176314800308923 |
|
89 ms | 198.41.0.4 |
| 37 | 2026-06-21 09:22 | 639176305644418536 |
|
2 ms | 198.41.0.4 |
| 36 | 2026-06-21 09:07 | 639176296521877414 |
|
5 ms | 198.41.0.4 |
| 35 | 2026-06-21 08:52 | 639176287462162510 |
|
3 ms | 198.41.0.4 |
| 34 | 2026-06-21 08:37 | 639176278338543828 |
|
17 ms | 198.41.0.4 |
| 33 | 2026-06-21 08:22 | 639176269243400977 |
|
3 ms | 198.41.0.4 |
| 32 | 2026-06-21 08:06 | 639176260071044602 |
|
87 ms | 198.41.0.4 |
| 31 | 2026-06-21 07:51 | 639176250842077712 |
|
5 ms | 198.41.0.4 |
| 30 | 2026-06-21 07:36 | 639176241948182336 |
|
4 ms | 198.41.0.4 |
| 29 | 2026-06-21 07:21 | 639176232898918077 |
|
8 ms | 198.41.0.4 |
| 28 | 2026-06-21 07:06 | 639176223893157234 |
|
5 ms | 198.41.0.4 |
| 27 | 2026-06-21 06:51 | 639176214766283202 |
|
3 ms | 198.41.0.4 |
| 26 | 2026-06-21 06:35 | 639176205588291539 |
|
110 ms | 198.41.0.4 |
| 25 | 2026-06-21 06:20 | 639176196464913293 |
|
9 ms | 198.41.0.4 |
| 24 | 2026-06-21 06:05 | 639176187536424092 |
|
2 ms | 198.41.0.4 |
| 23 | 2026-06-21 05:50 | 639176178356107537 |
|
9 ms | 198.41.0.4 |
| 22 | 2026-06-21 05:35 | 639176169335546391 |
|
29 ms | 198.41.0.4 |
| 21 | 2026-06-21 05:20 | 639176160406809140 |
|
4 ms | 198.41.0.4 |
| 20 | 2026-06-21 05:05 | 639176151257265564 |
|
97 ms | 198.41.0.4 |
| 19 | 2026-06-21 04:49 | 639176141893154161 |
|
5 ms | 198.41.0.4 |
| 18 | 2026-06-21 04:34 | 639176132738946661 |
|
3 ms | 198.41.0.4 |
| 17 | 2026-06-21 04:19 | 639176123588792324 |
|
6 ms | 198.41.0.4 |
| 16 | 2026-06-21 04:03 | 639176114376199832 |
|
4 ms | 198.41.0.4 |
| 15 | 2026-06-21 03:48 | 639176105281101353 |
|
3 ms | 198.41.0.4 |
| 14 | 2026-06-21 03:33 | 639176096254651744 |
|
73 ms | 198.41.0.4 |
| 13 | 2026-06-21 03:18 | 639176086863028201 |
|
7 ms | 198.41.0.4 |
| 12 | 2026-06-21 03:02 | 639176077746044044 |
|
4 ms | 198.41.0.4 |
| 11 | 2026-06-21 02:47 | 639176068632087093 |
|
5 ms | 198.41.0.4 |
| 10 | 2026-06-21 02:32 | 639176059494862091 |
|
3 ms | 198.41.0.4 |
| 9 | 2026-06-21 02:17 | 639176050368797172 |
|
55 ms | 198.41.0.4 |
| 8 | 2026-06-21 02:02 | 639176041252603731 |
|
90 ms | 198.41.0.4 |
| 7 | 2026-06-21 01:46 | 639176031796973568 |
|
4 ms | 198.41.0.4 |
| 6 | 2026-06-21 01:31 | 639176022721801924 |
|
3 ms | 198.41.0.4 |
| 5 | 2026-06-21 01:15 | 639176013505478031 |
|
3 ms | 198.41.0.4 |
| 4 | 2026-06-21 01:00 | 639176004367999281 |
|
6 ms | 198.41.0.4 |
| 3 | 2026-06-21 00:45 | 639175995363503277 |
|
8 ms | 198.41.0.4 |
| 2 | 2026-06-21 00:30 | 639175986009684542 |
|
83 ms | 198.41.0.4 |
| 1 | 2026-06-21 00:14 | 639175976428238515 |
|
4 ms | 198.41.0.4 |