DNS response history for ns.best.com

ns.best.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 2026-08-23. For this date, NameServerHistory found 148 DNS check records, 146 successful responses, 2 failed responses, and 136 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 ns.best.com.
Records on Selected Date

148

Historical checks stored for this nameserver on selected date

Average Latency

136 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.81.49

Most recently resolved hosting IP on selected date

Successful Responses

146

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns.best.com

Showing DNS history for 2026-08-23 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
148 2026-08-23 23:45 639231254406598736
63 ms 104.21.81.49
147 2026-08-23 23:45 639231254406598736
63 ms 172.67.156.248
146 2026-08-23 23:28 639231244697865594
21 ms 172.67.156.248
145 2026-08-23 23:28 639231244697865594
21 ms 104.21.81.49
144 2026-08-23 23:12 639231234893504693
5 ms 104.21.81.49
143 2026-08-23 23:12 639231234893504693
5 ms 172.67.156.248
142 2026-08-23 22:56 639231225024549139
16 ms 172.67.156.248
141 2026-08-23 22:56 639231225024549139
16 ms 104.21.81.49
140 2026-08-23 22:39 639231214931957622
9 ms 104.21.81.49
139 2026-08-23 22:39 639231214931957622
9 ms 172.67.156.248
138 2026-08-23 22:22 639231204962010549
59 ms 104.21.81.49
137 2026-08-23 22:22 639231204962010549
59 ms 172.67.156.248
136 2026-08-23 22:06 639231195170138463
15 ms 104.21.81.49
135 2026-08-23 22:06 639231195170138463
15 ms 172.67.156.248
134 2026-08-23 21:49 639231185235020577
8 ms 172.67.156.248
133 2026-08-23 21:49 639231185235020577
8 ms 104.21.81.49
132 2026-08-23 21:33 639231175558690075
17 ms 104.21.81.49
131 2026-08-23 21:33 639231175558690075
17 ms 172.67.156.248
130 2026-08-23 21:17 639231165610444012
68 ms 172.67.156.248
129 2026-08-23 21:17 639231165610444012
68 ms 104.21.81.49
128 2026-08-23 20:24 639231133806425363
71 ms 104.21.81.49
127 2026-08-23 20:24 639231133806425363
71 ms 172.67.156.248
126 2026-08-23 20:08 639231124203758023
39 ms 104.21.81.49
125 2026-08-23 20:08 639231124203758023
39 ms 172.67.156.248
124 2026-08-23 19:51 639231114428262706
9 ms 104.21.81.49
123 2026-08-23 19:51 639231114428262706
9 ms 172.67.156.248
122 2026-08-23 19:35 639231104662480065
23 ms 172.67.156.248
121 2026-08-23 19:35 639231104662480065
23 ms 104.21.81.49
120 2026-08-23 19:19 639231094840372018
32 ms 104.21.81.49
119 2026-08-23 19:19 639231094840372018
32 ms 172.67.156.248
118 2026-08-23 19:02 639231085024583224
8 ms 104.21.81.49
117 2026-08-23 19:02 639231085024583224
8 ms 172.67.156.248
116 2026-08-23 18:46 639231075257417427
28 ms 172.67.156.248
115 2026-08-23 18:46 639231075257417427
28 ms 104.21.81.49
114 2026-08-23 18:30 639231065516009503
11 ms 104.21.81.49
113 2026-08-23 18:30 639231065516009503
11 ms 172.67.156.248
112 2026-08-23 18:14 639231055805348837
35 ms 104.21.81.49
111 2026-08-23 18:14 639231055805348837
35 ms 172.67.156.248
110 2026-08-23 17:57 639231045980373765
48 ms 104.21.81.49
109 2026-08-23 17:57 639231045980373765
48 ms 172.67.156.248
108 2026-08-23 17:41 639231035984577527
2042 ms 104.21.81.49
107 2026-08-23 17:41 639231035984577527
2042 ms 172.67.156.248
106 2026-08-23 17:24 639231025928115303
18 ms 104.21.81.49
105 2026-08-23 17:24 639231025928115303
18 ms 172.67.156.248
104 2026-08-23 16:31 639230994250157583
15 ms 104.21.81.49
103 2026-08-23 16:31 639230994250157583
15 ms 172.67.156.248
102 2026-08-23 16:15 639230984476411369
11 ms 172.67.156.248
101 2026-08-23 16:15 639230984476411369
11 ms 104.21.81.49
100 2026-08-23 15:59 639230974838373450
14 ms 172.67.156.248
99 2026-08-23 15:59 639230974838373450
14 ms 104.21.81.49
98 2026-08-23 15:43 639230965244277645
58 ms 172.67.156.248
97 2026-08-23 15:43 639230965244277645
58 ms 104.21.81.49
96 2026-08-23 15:27 639230955522101820
6 ms 104.21.81.49
95 2026-08-23 15:27 639230955522101820
6 ms 172.67.156.248
94 2026-08-23 15:10 639230945754521603
20 ms 172.67.156.248
93 2026-08-23 15:10 639230945754521603
20 ms 104.21.81.49
92 2026-08-23 14:54 639230935852040504
8 ms 172.67.156.248
91 2026-08-23 14:54 639230935852040504
8 ms 104.21.81.49
90 2026-08-23 14:38 639230926222061048
67 ms 172.67.156.248
89 2026-08-23 14:38 639230926222061048
67 ms 104.21.81.49
88 2026-08-23 14:21 639230916449726907
2042 ms 172.67.156.248
87 2026-08-23 14:21 639230916449726907
2042 ms 104.21.81.49
86 2026-08-23 14:05 639230906595053086
21 ms 104.21.81.49
85 2026-08-23 14:05 639230906595053086
21 ms 172.67.156.248
84 2026-08-23 13:48 639230896680429441
2047 ms 172.67.156.248
83 2026-08-23 13:48 639230896680429441
2047 ms 104.21.81.49
82 2026-08-23 13:32 639230886630210965
37 ms 172.67.156.248
81 2026-08-23 13:32 639230886630210965
37 ms 104.21.81.49
80 2026-08-23 12:40 639230855430405719
30 ms 104.21.81.49
79 2026-08-23 12:40 639230855430405719
30 ms 172.67.156.248
78 2026-08-23 12:24 639230845707499136
5 ms 172.67.156.248
77 2026-08-23 12:24 639230845707499136
5 ms 104.21.81.49
76 2026-08-23 12:08 639230836186805419
19 ms 104.21.81.49
75 2026-08-23 12:08 639230836186805419
19 ms 172.67.156.248
74 2026-08-23 11:52 639230826493828316
27 ms 172.67.156.248
73 2026-08-23 11:52 639230826493828316
27 ms 104.21.81.49
72 2026-08-23 11:35 639230816817882996
26 ms 104.21.81.49
71 2026-08-23 11:35 639230816817882996
26 ms 172.67.156.248
70 2026-08-23 11:19 639230806933854189
7 ms 104.21.81.49
69 2026-08-23 11:19 639230806933854189
7 ms 172.67.156.248
68 2026-08-23 11:02 639230797120243854
34 ms 104.21.81.49
67 2026-08-23 11:02 639230797120243854
34 ms 172.67.156.248
66 2026-08-23 10:46 639230787310272840
98 ms 172.67.156.248
65 2026-08-23 10:46 639230787310272840
98 ms 104.21.81.49
64 2026-08-23 10:30 639230777600173142
42 ms 104.21.81.49
63 2026-08-23 10:30 639230777600173142
42 ms 172.67.156.248
62 2026-08-23 10:13 639230767665024593
2042 ms 172.67.156.248
61 2026-08-23 10:13 639230767665024593
2042 ms 104.21.81.49
60 2026-08-23 09:57 639230757720962293
-
59 2026-08-23 09:40 639230747722189784
32 ms 104.21.81.49
58 2026-08-23 09:40 639230747722189784
32 ms 172.67.156.248
57 2026-08-23 08:48 639230716313923480
24 ms 104.21.81.49
56 2026-08-23 08:48 639230716313923480
24 ms 172.67.156.248
55 2026-08-23 08:32 639230706813835990
7 ms 104.21.81.49
54 2026-08-23 08:32 639230706813835990
7 ms 172.67.156.248
53 2026-08-23 08:15 639230696871062203
44 ms 172.67.156.248
52 2026-08-23 08:15 639230696871062203
44 ms 104.21.81.49
51 2026-08-23 07:59 639230687142781616
5 ms 172.67.156.248
50 2026-08-23 07:59 639230687142781616
5 ms 104.21.81.49
49 2026-08-23 07:43 639230677432142227
4 ms 104.21.81.49
48 2026-08-23 07:43 639230677432142227
4 ms 172.67.156.248
47 2026-08-23 07:27 639230667686258061
8 ms 104.21.81.49
46 2026-08-23 07:27 639230667686258061
8 ms 172.67.156.248
45 2026-08-23 07:11 639230658039243685
12 ms 172.67.156.248
44 2026-08-23 07:11 639230658039243685
12 ms 104.21.81.49
43 2026-08-23 06:55 639230648468473803
6 ms 104.21.81.49
42 2026-08-23 06:55 639230648468473803
6 ms 172.67.156.248
41 2026-08-23 06:39 639230638829658294
10 ms 172.67.156.248
40 2026-08-23 06:39 639230638829658294
10 ms 104.21.81.49
39 2026-08-23 06:23 639230629247017617
17 ms 104.21.81.49
38 2026-08-23 06:23 639230629247017617
17 ms 172.67.156.248
37 2026-08-23 06:07 639230619625318239
-
36 2026-08-23 05:50 639230609697630264
5 ms 104.21.81.49
35 2026-08-23 05:50 639230609697630264
5 ms 172.67.156.248
34 2026-08-23 04:58 639230578570131864
7 ms 172.67.156.248
33 2026-08-23 04:58 639230578570131864
7 ms 104.21.81.49
32 2026-08-23 04:42 639230568958963168
8 ms 104.21.81.49
31 2026-08-23 04:42 639230568958963168
8 ms 172.67.156.248
30 2026-08-23 04:26 639230559287611211
10 ms 104.21.81.49
29 2026-08-23 04:26 639230559287611211
10 ms 172.67.156.248
28 2026-08-23 04:10 639230549524312030
21 ms 172.67.156.248
27 2026-08-23 04:10 639230549524312030
21 ms 104.21.81.49
26 2026-08-23 03:54 639230539739801669
63 ms 172.67.156.248
25 2026-08-23 03:54 639230539739801669
63 ms 104.21.81.49
24 2026-08-23 03:37 639230530084069375
29 ms 172.67.156.248
23 2026-08-23 03:37 639230530084069375
29 ms 104.21.81.49
22 2026-08-23 03:21 639230520362691441
41 ms 104.21.81.49
21 2026-08-23 03:21 639230520362691441
41 ms 172.67.156.248
20 2026-08-23 03:05 639230510677194518
20 ms 104.21.81.49
19 2026-08-23 03:05 639230510677194518
20 ms 172.67.156.248
18 2026-08-23 02:49 639230501156002646
11 ms 104.21.81.49
17 2026-08-23 02:49 639230501156002646
11 ms 172.67.156.248
16 2026-08-23 02:33 639230491502198541
37 ms 104.21.81.49
15 2026-08-23 02:33 639230491502198541
37 ms 172.67.156.248
14 2026-08-23 02:17 639230481860318494
9 ms 104.21.81.49
13 2026-08-23 02:17 639230481860318494
9 ms 172.67.156.248
12 2026-08-23 02:00 639230471893008575
10 ms 172.67.156.248
11 2026-08-23 02:00 639230471893008575
10 ms 104.21.81.49
10 2026-08-23 01:07 639230440030877421
21 ms 172.67.156.248
9 2026-08-23 01:07 639230440030877421
21 ms 104.21.81.49
8 2026-08-23 00:51 639230430479725508
10 ms 172.67.156.248
7 2026-08-23 00:51 639230430479725508
10 ms 104.21.81.49
6 2026-08-23 00:35 639230420875160219
17 ms 172.67.156.248
5 2026-08-23 00:35 639230420875160219
17 ms 104.21.81.49
4 2026-08-23 00:19 639230411240692575
41 ms 172.67.156.248
3 2026-08-23 00:19 639230411240692575
41 ms 104.21.81.49
2 2026-08-23 00:03 639230401550806607
81 ms 172.67.156.248
1 2026-08-23 00:03 639230401550806607
81 ms 104.21.81.49