DNS response history for b.root-server.info

b.root-server.info 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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 333 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-server.info.
Records on Selected Date

76

Historical checks stored for this nameserver on selected date

Average Latency

333 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

128.199.214.95

Most recently resolved hosting IP on selected date

Successful Responses

76

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-server.info

Showing DNS history for 2026-08-11 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
76 2026-08-11 23:51 639220888396333845
14 ms 128.199.214.95
75 2026-08-11 23:35 639220878864937382
38 ms 128.199.214.95
74 2026-08-11 22:43 639220847369072314
37 ms 128.199.214.95
73 2026-08-11 22:27 639220838037764925
174 ms 128.199.214.95
72 2026-08-11 22:12 639220828735120634
21 ms 128.199.214.95
71 2026-08-11 21:56 639220819447979766
93 ms 128.199.214.95
70 2026-08-11 21:41 639220810056531741
11 ms 128.199.214.95
69 2026-08-11 21:25 639220800745746593
46 ms 128.199.214.95
68 2026-08-11 21:10 639220791351626349
251 ms 128.199.214.95
67 2026-08-11 20:54 639220782021256610
187 ms 128.199.214.95
66 2026-08-11 20:38 639220772603347755
205 ms 128.199.214.95
65 2026-08-11 20:23 639220763224057047
45 ms 128.199.214.95
64 2026-08-11 20:07 639220753691117767
97 ms 128.199.214.95
63 2026-08-11 19:51 639220744107836218
46 ms 128.199.214.95
62 2026-08-11 18:55 639220711927629898
65 ms 128.199.214.95
61 2026-08-11 18:40 639220702299437921
267 ms 128.199.214.95
60 2026-08-11 18:23 639220692505468181
2377 ms 128.199.214.95
59 2026-08-11 18:07 639220682669911239
197 ms 128.199.214.95
58 2026-08-11 17:50 639220672929841526
412 ms 128.199.214.95
57 2026-08-11 17:34 639220663225662315
2342 ms 128.199.214.95
56 2026-08-11 17:19 639220653846255684
59 ms 128.199.214.95
55 2026-08-11 17:03 639220644420909059
267 ms 128.199.214.95
54 2026-08-11 16:47 639220635074970435
52 ms 128.199.214.95
53 2026-08-11 16:32 639220625614385966
2202 ms 128.199.214.95
52 2026-08-11 16:16 639220616132212636
405 ms 128.199.214.95
51 2026-08-11 16:00 639220606533651662
2222 ms 128.199.214.95
50 2026-08-11 15:07 639220574514514318
49 ms 128.199.214.95
49 2026-08-11 14:51 639220565124823874
133 ms 128.199.214.95
48 2026-08-11 14:35 639220555799311478
99 ms 128.199.214.95
47 2026-08-11 14:20 639220546481577614
295 ms 128.199.214.95
46 2026-08-11 14:04 639220537036533154
82 ms 128.199.214.95
45 2026-08-11 13:49 639220527719177174
452 ms 128.199.214.95
44 2026-08-11 13:33 639220518173088308
156 ms 128.199.214.95
43 2026-08-11 13:17 639220508902896243
287 ms 128.199.214.95
42 2026-08-11 13:02 639220499455923005
370 ms 128.199.214.95
41 2026-08-11 12:46 639220490082583768
255 ms 128.199.214.95
40 2026-08-11 12:30 639220480636590998
119 ms 128.199.214.95
39 2026-08-11 12:12 639220469585029273
88 ms 128.199.214.95
38 2026-08-11 11:19 639220438074188884
205 ms 128.199.214.95
37 2026-08-11 11:04 639220428789720049
88 ms 128.199.214.95
36 2026-08-11 10:48 639220419558302820
2924 ms 128.199.214.95
35 2026-08-11 10:33 639220410448738795
7 ms 128.199.214.95
34 2026-08-11 10:17 639220401034081530
51 ms 128.199.214.95
33 2026-08-11 10:02 639220391766674161
289 ms 128.199.214.95
32 2026-08-11 09:46 639220382275807148
113 ms 128.199.214.95
31 2026-08-11 09:31 639220373034162867
12 ms 128.199.214.95
30 2026-08-11 09:16 639220363994971859
199 ms 128.199.214.95
29 2026-08-11 09:00 639220354563965455
44 ms 128.199.214.95
28 2026-08-11 08:45 639220345437414880
48 ms 128.199.214.95
27 2026-08-11 08:29 639220336024248987
185 ms 128.199.214.95
26 2026-08-11 07:37 639220304233635692
262 ms 128.199.214.95
25 2026-08-11 07:21 639220294872170960
63 ms 128.199.214.95
24 2026-08-11 07:05 639220285547177980
265 ms 128.199.214.95
23 2026-08-11 06:50 639220276337941315
102 ms 128.199.214.95
22 2026-08-11 06:35 639220267175191677
22 ms 128.199.214.95
21 2026-08-11 06:19 639220257981518924
25 ms 128.199.214.95
20 2026-08-11 06:05 639220249265489070
112 ms 128.199.214.95
19 2026-08-11 05:51 639220240700249205
86 ms 128.199.214.95
18 2026-08-11 05:36 639220231975029986
226 ms 128.199.214.95
17 2026-08-11 05:22 639220223261176932
94 ms 128.199.214.95
16 2026-08-11 05:07 639220214366718456
39 ms 128.199.214.95
15 2026-08-11 04:52 639220205306334524
24 ms 128.199.214.95
14 2026-08-11 04:00 639220174463175061
4 ms 128.199.214.95
13 2026-08-11 03:45 639220165777190438
316 ms 128.199.214.95
12 2026-08-11 03:31 639220156880374825
13 ms 128.199.214.95
11 2026-08-11 03:16 639220148139986945
17 ms 128.199.214.95
10 2026-08-11 03:01 639220139271074299
2018 ms 128.199.214.95
9 2026-08-11 02:47 639220130565901336
26 ms 128.199.214.95
8 2026-08-11 02:32 639220121659980575
43 ms 128.199.214.95
7 2026-08-11 02:17 639220112857650894
22 ms 128.199.214.95
6 2026-08-11 02:02 639220103767686219
207 ms 128.199.214.95
5 2026-08-11 01:47 639220094545970611
296 ms 128.199.214.95
4 2026-08-11 01:31 639220085476091081
64 ms 128.199.214.95
3 2026-08-11 01:16 639220076243751161
2223 ms 128.199.214.95
2 2026-08-11 00:25 639220045322845190
57 ms 128.199.214.95
1 2026-08-11 00:10 639220036434132314
29 ms 128.199.214.95