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 2026-08-08. For this date, NameServerHistory found 64 DNS check records, 64 successful responses, 0 failed responses, and 226 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

64

Historical checks stored for this nameserver on selected date

Average Latency

226 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:56

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

64

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 2026-08-08 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
64 2026-08-08 23:56 639218300987184335
219 ms 128.199.214.95
63 2026-08-08 23:41 639218291874134258
47 ms 128.199.214.95
62 2026-08-08 23:26 639218282817785496
38 ms 128.199.214.95
61 2026-08-08 22:35 639218252106422334
190 ms 128.199.214.95
60 2026-08-08 22:20 639218243323944113
53 ms 128.199.214.95
59 2026-08-08 22:05 639218234397020230
2343 ms 128.199.214.95
58 2026-08-08 21:50 639218225412858763
42 ms 128.199.214.95
57 2026-08-08 21:00 639218194282616684
36 ms 128.199.214.95
56 2026-08-08 20:44 639218185036989606
182 ms 128.199.214.95
55 2026-08-08 20:29 639218175974363575
58 ms 128.199.214.95
54 2026-08-08 20:14 639218166972644815
53 ms 128.199.214.95
53 2026-08-08 19:22 639218135900313734
54 ms 128.199.214.95
52 2026-08-08 19:08 639218127088470726
49 ms 128.199.214.95
51 2026-08-08 18:53 639218118310406743
62 ms 128.199.214.95
50 2026-08-08 18:38 639218109452520238
228 ms 128.199.214.95
49 2026-08-08 17:47 639218078440804962
76 ms 128.199.214.95
48 2026-08-08 17:32 639218069827056995
38 ms 128.199.214.95
47 2026-08-08 17:17 639218060928974999
39 ms 128.199.214.95
46 2026-08-08 17:03 639218052072104591
59 ms 128.199.214.95
45 2026-08-08 16:11 639218021131612993
8 ms 128.199.214.95
44 2026-08-08 15:57 639218012544891033
187 ms 128.199.214.95
43 2026-08-08 15:42 639218003733822367
43 ms 128.199.214.95
42 2026-08-08 15:28 639217994998349201
2032 ms 128.199.214.95
41 2026-08-08 14:36 639217963788814319
37 ms 128.199.214.95
40 2026-08-08 14:21 639217955087396874
141 ms 128.199.214.95
39 2026-08-08 14:07 639217946350294952
54 ms 128.199.214.95
38 2026-08-08 13:52 639217937526020436
60 ms 128.199.214.95
37 2026-08-08 13:01 639217906769667024
33 ms 128.199.214.95
36 2026-08-08 12:47 639217898300938849
37 ms 128.199.214.95
35 2026-08-08 12:32 639217889778639925
70 ms 128.199.214.95
34 2026-08-08 12:18 639217881083065140
57 ms 128.199.214.95
33 2026-08-08 11:29 639217850620659312
284 ms 128.199.214.95
32 2026-08-08 11:14 639217841938624907
58 ms 128.199.214.95
31 2026-08-08 11:00 639217833389546843
68 ms 128.199.214.95
30 2026-08-08 10:46 639217824846173945
60 ms 128.199.214.95
29 2026-08-08 09:54 639217793807292972
190 ms 128.199.214.95
28 2026-08-08 09:40 639217785208951403
93 ms 128.199.214.95
27 2026-08-08 09:25 639217776566534942
9 ms 128.199.214.95
26 2026-08-08 09:11 639217767935139326
33 ms 128.199.214.95
25 2026-08-08 08:20 639217737225367411
60 ms 128.199.214.95
24 2026-08-08 08:06 639217728765093674
238 ms 128.199.214.95
23 2026-08-08 07:51 639217720136905586
50 ms 128.199.214.95
22 2026-08-08 07:37 639217711410853004
337 ms 128.199.214.95
21 2026-08-08 06:45 639217680275549698
162 ms 128.199.214.95
20 2026-08-08 06:30 639217671340563867
19 ms 128.199.214.95
19 2026-08-08 06:16 639217662739829952
150 ms 128.199.214.95
18 2026-08-08 06:01 639217654129395144
28 ms 128.199.214.95
17 2026-08-08 05:11 639217623690502934
348 ms 128.199.214.95
16 2026-08-08 04:57 639217615180184169
26 ms 128.199.214.95
15 2026-08-08 04:43 639217606737293244
48 ms 128.199.214.95
14 2026-08-08 04:28 639217598089858483
185 ms 128.199.214.95
13 2026-08-08 03:37 639217567343169140
328 ms 128.199.214.95
12 2026-08-08 03:22 639217558743892856
43 ms 128.199.214.95
11 2026-08-08 03:08 639217550069823359
179 ms 128.199.214.95
10 2026-08-08 02:54 639217541571663863
2009 ms 128.199.214.95
9 2026-08-08 02:07 639217510598671918
27 ms 128.199.214.95
8 2026-08-08 01:53 639217501853904641
48 ms 128.199.214.95
7 2026-08-08 01:38 639217492857464038
197 ms 128.199.214.95
6 2026-08-08 01:23 639217483935810845
41 ms 128.199.214.95
5 2026-08-08 01:08 639217475281344873
37 ms 128.199.214.95
4 2026-08-08 00:54 639217466591266473
3 ms 128.199.214.95
3 2026-08-08 00:40 639217457842031506
2318 ms 128.199.214.95
2 2026-08-08 00:25 639217449192590684
154 ms 128.199.214.95
1 2026-08-08 00:10 639217440385817840
18 ms 128.199.214.95