DNS response history for ns1.kroll.com

ns1.kroll.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 149 DNS check records, 148 successful responses, 1 failed responses, and 134 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 ns1.kroll.com.
Records on Selected Date

149

Historical checks stored for this nameserver on selected date

Average Latency

134 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.144.119

Most recently resolved hosting IP on selected date

Successful Responses

148

Checks that returned a measurable response

Failed Responses

1

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 ns1.kroll.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
149 2026-08-23 23:46 639231254406598736
10 ms 172.64.144.119
148 2026-08-23 23:46 639231254406598736
10 ms 104.18.43.137
147 2026-08-23 23:29 639231244697865594
47 ms 172.64.144.119
146 2026-08-23 23:29 639231244697865594
47 ms 104.18.43.137
145 2026-08-23 23:13 639231234893504693
8 ms 104.18.43.137
144 2026-08-23 23:13 639231234893504693
8 ms 172.64.144.119
143 2026-08-23 22:57 639231225024549139
67 ms 172.64.144.119
142 2026-08-23 22:57 639231225024549139
67 ms 104.18.43.137
141 2026-08-23 22:40 639231214931957622
8 ms 172.64.144.119
140 2026-08-23 22:40 639231214931957622
8 ms 104.18.43.137
139 2026-08-23 22:23 639231204962010549
15 ms 104.18.43.137
138 2026-08-23 22:23 639231204962010549
15 ms 172.64.144.119
137 2026-08-23 22:07 639231195170138463
42 ms 104.18.43.137
136 2026-08-23 22:07 639231195170138463
42 ms 172.64.144.119
135 2026-08-23 21:50 639231185235020577
9 ms 104.18.43.137
134 2026-08-23 21:50 639231185235020577
9 ms 172.64.144.119
133 2026-08-23 21:34 639231175558690075
41 ms 104.18.43.137
132 2026-08-23 21:34 639231175558690075
41 ms 172.64.144.119
131 2026-08-23 21:17 639231165610444012
58 ms 172.64.144.119
130 2026-08-23 21:17 639231165610444012
58 ms 104.18.43.137
129 2026-08-23 20:25 639231133806425363
12 ms 104.18.43.137
128 2026-08-23 20:25 639231133806425363
12 ms 172.64.144.119
127 2026-08-23 20:09 639231124203758023
8 ms 104.18.43.137
126 2026-08-23 20:09 639231124203758023
8 ms 172.64.144.119
125 2026-08-23 19:52 639231114428262706
11 ms 172.64.144.119
124 2026-08-23 19:52 639231114428262706
11 ms 104.18.43.137
123 2026-08-23 19:36 639231104662480065
8 ms 172.64.144.119
122 2026-08-23 19:36 639231104662480065
8 ms 104.18.43.137
121 2026-08-23 19:20 639231094840372018
44 ms 172.64.144.119
120 2026-08-23 19:20 639231094840372018
44 ms 104.18.43.137
119 2026-08-23 19:03 639231085024583224
2018 ms 172.64.144.119
118 2026-08-23 19:03 639231085024583224
2018 ms 104.18.43.137
117 2026-08-23 18:47 639231075257417427
6 ms 172.64.144.119
116 2026-08-23 18:47 639231075257417427
6 ms 104.18.43.137
115 2026-08-23 18:31 639231065516009503
8 ms 172.64.144.119
114 2026-08-23 18:31 639231065516009503
8 ms 104.18.43.137
113 2026-08-23 18:15 639231055805348837
45 ms 104.18.43.137
112 2026-08-23 18:15 639231055805348837
45 ms 172.64.144.119
111 2026-08-23 17:58 639231045980373765
21 ms 104.18.43.137
110 2026-08-23 17:58 639231045980373765
21 ms 172.64.144.119
109 2026-08-23 17:42 639231035984577527
9 ms 104.18.43.137
108 2026-08-23 17:42 639231035984577527
9 ms 172.64.144.119
107 2026-08-23 17:25 639231025928115303
5 ms 104.18.43.137
106 2026-08-23 17:25 639231025928115303
5 ms 172.64.144.119
105 2026-08-23 16:32 639230994250157583
17 ms 104.18.43.137
104 2026-08-23 16:32 639230994250157583
17 ms 172.64.144.119
103 2026-08-23 16:16 639230984476411369
92 ms 104.18.43.137
102 2026-08-23 16:16 639230984476411369
92 ms 172.64.144.119
101 2026-08-23 16:00 639230974838373450
15 ms 104.18.43.137
100 2026-08-23 16:00 639230974838373450
15 ms 172.64.144.119
99 2026-08-23 15:44 639230965244277645
6 ms 104.18.43.137
98 2026-08-23 15:44 639230965244277645
6 ms 172.64.144.119
97 2026-08-23 15:27 639230955522101820
9 ms 104.18.43.137
96 2026-08-23 15:27 639230955522101820
9 ms 172.64.144.119
95 2026-08-23 15:11 639230945754521603
54 ms 172.64.144.119
94 2026-08-23 15:11 639230945754521603
54 ms 104.18.43.137
93 2026-08-23 14:55 639230935852040504
11 ms 104.18.43.137
92 2026-08-23 14:55 639230935852040504
11 ms 172.64.144.119
91 2026-08-23 14:39 639230926222061048
49 ms 104.18.43.137
90 2026-08-23 14:39 639230926222061048
49 ms 172.64.144.119
89 2026-08-23 14:22 639230916449726907
16 ms 104.18.43.137
88 2026-08-23 14:22 639230916449726907
16 ms 172.64.144.119
87 2026-08-23 14:06 639230906595053086
22 ms 104.18.43.137
86 2026-08-23 14:06 639230906595053086
22 ms 172.64.144.119
85 2026-08-23 13:49 639230896680429441
2070 ms 172.64.144.119
84 2026-08-23 13:49 639230896680429441
2070 ms 104.18.43.137
83 2026-08-23 13:33 639230886630210965
24 ms 172.64.144.119
82 2026-08-23 13:33 639230886630210965
24 ms 104.18.43.137
81 2026-08-23 12:41 639230855430405719
30 ms 104.18.43.137
80 2026-08-23 12:41 639230855430405719
30 ms 172.64.144.119
79 2026-08-23 12:24 639230845707499136
44 ms 172.64.144.119
78 2026-08-23 12:24 639230845707499136
44 ms 104.18.43.137
77 2026-08-23 12:09 639230836186805419
31 ms 172.64.144.119
76 2026-08-23 12:09 639230836186805419
31 ms 104.18.43.137
75 2026-08-23 11:52 639230826493828316
35 ms 104.18.43.137
74 2026-08-23 11:52 639230826493828316
35 ms 172.64.144.119
73 2026-08-23 11:36 639230816817882996
13 ms 172.64.144.119
72 2026-08-23 11:36 639230816817882996
13 ms 104.18.43.137
71 2026-08-23 11:20 639230806933854189
37 ms 172.64.144.119
70 2026-08-23 11:20 639230806933854189
37 ms 104.18.43.137
69 2026-08-23 11:03 639230797120243854
6 ms 172.64.144.119
68 2026-08-23 11:03 639230797120243854
6 ms 104.18.43.137
67 2026-08-23 10:47 639230787310272840
28 ms 172.64.144.119
66 2026-08-23 10:47 639230787310272840
28 ms 104.18.43.137
65 2026-08-23 10:31 639230777600173142
26 ms 104.18.43.137
64 2026-08-23 10:31 639230777600173142
26 ms 172.64.144.119
63 2026-08-23 10:14 639230767665024593
20 ms 172.64.144.119
62 2026-08-23 10:14 639230767665024593
20 ms 104.18.43.137
61 2026-08-23 09:58 639230757720962293
18 ms 104.18.43.137
60 2026-08-23 09:58 639230757720962293
18 ms 172.64.144.119
59 2026-08-23 09:41 639230747722189784
15 ms 104.18.43.137
58 2026-08-23 09:41 639230747722189784
15 ms 172.64.144.119
57 2026-08-23 08:49 639230716313923480
6 ms 104.18.43.137
56 2026-08-23 08:49 639230716313923480
6 ms 172.64.144.119
55 2026-08-23 08:33 639230706813835990
4018 ms 172.64.144.119
54 2026-08-23 08:33 639230706813835990
4018 ms 104.18.43.137
53 2026-08-23 08:16 639230696871062203
40 ms 172.64.144.119
52 2026-08-23 08:16 639230696871062203
40 ms 104.18.43.137
51 2026-08-23 08:00 639230687142781616
32 ms 104.18.43.137
50 2026-08-23 08:00 639230687142781616
32 ms 172.64.144.119
49 2026-08-23 07:44 639230677432142227
23 ms 172.64.144.119
48 2026-08-23 07:44 639230677432142227
23 ms 104.18.43.137
47 2026-08-23 07:28 639230667686258061
7 ms 104.18.43.137
46 2026-08-23 07:28 639230667686258061
7 ms 172.64.144.119
45 2026-08-23 07:12 639230658039243685
10 ms 172.64.144.119
44 2026-08-23 07:12 639230658039243685
10 ms 104.18.43.137
43 2026-08-23 06:56 639230648468473803
29 ms 104.18.43.137
42 2026-08-23 06:56 639230648468473803
29 ms 172.64.144.119
41 2026-08-23 06:40 639230638829658294
9 ms 104.18.43.137
40 2026-08-23 06:40 639230638829658294
9 ms 172.64.144.119
39 2026-08-23 06:24 639230629247017617
13 ms 172.64.144.119
38 2026-08-23 06:24 639230629247017617
13 ms 104.18.43.137
37 2026-08-23 06:08 639230619625318239
24 ms 172.64.144.119
36 2026-08-23 06:08 639230619625318239
24 ms 104.18.43.137
35 2026-08-23 05:51 639230609697630264
6 ms 172.64.144.119
34 2026-08-23 05:51 639230609697630264
6 ms 104.18.43.137
33 2026-08-23 04:59 639230578570131864
38 ms 104.18.43.137
32 2026-08-23 04:59 639230578570131864
38 ms 172.64.144.119
31 2026-08-23 04:43 639230568958963168
7 ms 104.18.43.137
30 2026-08-23 04:43 639230568958963168
7 ms 172.64.144.119
29 2026-08-23 04:27 639230559287611211
139 ms 172.64.144.119
28 2026-08-23 04:27 639230559287611211
139 ms 104.18.43.137
27 2026-08-23 04:11 639230549524312030
15 ms 104.18.43.137
26 2026-08-23 04:11 639230549524312030
15 ms 172.64.144.119
25 2026-08-23 03:54 639230539739801669
21 ms 104.18.43.137
24 2026-08-23 03:54 639230539739801669
21 ms 172.64.144.119
23 2026-08-23 03:38 639230530084069375
-
22 2026-08-23 03:22 639230520362691441
39 ms 172.64.144.119
21 2026-08-23 03:22 639230520362691441
39 ms 104.18.43.137
20 2026-08-23 03:06 639230510677194518
5 ms 104.18.43.137
19 2026-08-23 03:06 639230510677194518
5 ms 172.64.144.119
18 2026-08-23 02:50 639230501156002646
27 ms 104.18.43.137
17 2026-08-23 02:50 639230501156002646
27 ms 172.64.144.119
16 2026-08-23 02:34 639230491502198541
13 ms 172.64.144.119
15 2026-08-23 02:34 639230491502198541
13 ms 104.18.43.137
14 2026-08-23 02:18 639230481860318494
23 ms 104.18.43.137
13 2026-08-23 02:18 639230481860318494
23 ms 172.64.144.119
12 2026-08-23 02:01 639230471893008575
44 ms 104.18.43.137
11 2026-08-23 02:01 639230471893008575
44 ms 172.64.144.119
10 2026-08-23 01:08 639230440030877421
8 ms 172.64.144.119
9 2026-08-23 01:08 639230440030877421
8 ms 104.18.43.137
8 2026-08-23 00:52 639230430479725508
35 ms 104.18.43.137
7 2026-08-23 00:52 639230430479725508
35 ms 172.64.144.119
6 2026-08-23 00:36 639230420875160219
18 ms 172.64.144.119
5 2026-08-23 00:36 639230420875160219
18 ms 104.18.43.137
4 2026-08-23 00:20 639230411240692575
9 ms 104.18.43.137
3 2026-08-23 00:20 639230411240692575
9 ms 172.64.144.119
2 2026-08-23 00:04 639230401550806607
34 ms 172.64.144.119
1 2026-08-23 00:04 639230401550806607
34 ms 104.18.43.137