DNS response history for ns2.internetserver.cz

ns2.internetserver.cz 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 225 DNS check records, 225 successful responses, 0 failed responses, and 216 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 ns2.internetserver.cz.
Records on Selected Date

225

Historical checks stored for this nameserver on selected date

Average Latency

216 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

217.16.185.221

Most recently resolved hosting IP on selected date

Successful Responses

225

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 ns2.internetserver.cz

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
225 2026-08-23 23:46 639231254406598736
53 ms 217.16.185.221
224 2026-08-23 23:46 639231254406598736
53 ms 217.69.4.49
223 2026-08-23 23:46 639231254406598736
53 ms 95.179.192.121
222 2026-08-23 23:30 639231244697865594
23 ms 95.179.192.121
221 2026-08-23 23:30 639231244697865594
23 ms 217.16.185.221
220 2026-08-23 23:30 639231244697865594
23 ms 217.69.4.49
219 2026-08-23 23:14 639231234893504693
2050 ms 95.179.192.121
218 2026-08-23 23:14 639231234893504693
2050 ms 217.16.185.221
217 2026-08-23 23:14 639231234893504693
2050 ms 217.69.4.49
216 2026-08-23 22:58 639231225024549139
10 ms 95.179.192.121
215 2026-08-23 22:58 639231225024549139
10 ms 217.16.185.221
214 2026-08-23 22:58 639231225024549139
10 ms 217.69.4.49
213 2026-08-23 22:41 639231214931957622
55 ms 95.179.192.121
212 2026-08-23 22:41 639231214931957622
55 ms 217.16.185.221
211 2026-08-23 22:41 639231214931957622
55 ms 217.69.4.49
210 2026-08-23 22:24 639231204962010549
25 ms 95.179.192.121
209 2026-08-23 22:24 639231204962010549
25 ms 217.16.185.221
208 2026-08-23 22:24 639231204962010549
25 ms 217.69.4.49
207 2026-08-23 22:08 639231195170138463
38 ms 95.179.192.121
206 2026-08-23 22:08 639231195170138463
38 ms 217.16.185.221
205 2026-08-23 22:08 639231195170138463
38 ms 217.69.4.49
204 2026-08-23 21:51 639231185235020577
30 ms 95.179.192.121
203 2026-08-23 21:51 639231185235020577
30 ms 217.16.185.221
202 2026-08-23 21:51 639231185235020577
30 ms 217.69.4.49
201 2026-08-23 21:35 639231175558690075
2055 ms 217.16.185.221
200 2026-08-23 21:35 639231175558690075
2055 ms 95.179.192.121
199 2026-08-23 21:35 639231175558690075
2055 ms 217.69.4.49
198 2026-08-23 21:18 639231165610444012
63 ms 95.179.192.121
197 2026-08-23 21:18 639231165610444012
63 ms 217.16.185.221
196 2026-08-23 21:18 639231165610444012
63 ms 217.69.4.49
195 2026-08-23 20:25 639231133806425363
184 ms 217.16.185.221
194 2026-08-23 20:25 639231133806425363
184 ms 217.69.4.49
193 2026-08-23 20:25 639231133806425363
184 ms 95.179.192.121
192 2026-08-23 20:09 639231124203758023
71 ms 95.179.192.121
191 2026-08-23 20:09 639231124203758023
71 ms 217.16.185.221
190 2026-08-23 20:09 639231124203758023
71 ms 217.69.4.49
189 2026-08-23 19:53 639231114428262706
340 ms 95.179.192.121
188 2026-08-23 19:53 639231114428262706
340 ms 217.69.4.49
187 2026-08-23 19:53 639231114428262706
340 ms 217.16.185.221
186 2026-08-23 19:37 639231104662480065
68 ms 95.179.192.121
185 2026-08-23 19:37 639231104662480065
68 ms 217.16.185.221
184 2026-08-23 19:37 639231104662480065
68 ms 217.69.4.49
183 2026-08-23 19:21 639231094840372018
304 ms 95.179.192.121
182 2026-08-23 19:21 639231094840372018
304 ms 217.69.4.49
181 2026-08-23 19:21 639231094840372018
304 ms 217.16.185.221
180 2026-08-23 19:04 639231085024583224
41 ms 217.69.4.49
179 2026-08-23 19:04 639231085024583224
41 ms 217.16.185.221
178 2026-08-23 19:04 639231085024583224
41 ms 95.179.192.121
177 2026-08-23 18:48 639231075257417427
85 ms 95.179.192.121
176 2026-08-23 18:48 639231075257417427
85 ms 217.16.185.221
175 2026-08-23 18:48 639231075257417427
85 ms 217.69.4.49
174 2026-08-23 18:32 639231065516009503
81 ms 217.16.185.221
173 2026-08-23 18:32 639231065516009503
81 ms 217.69.4.49
172 2026-08-23 18:32 639231065516009503
81 ms 95.179.192.121
171 2026-08-23 18:15 639231055805348837
46 ms 95.179.192.121
170 2026-08-23 18:15 639231055805348837
46 ms 217.16.185.221
169 2026-08-23 18:15 639231055805348837
46 ms 217.69.4.49
168 2026-08-23 17:59 639231045980373765
33 ms 95.179.192.121
167 2026-08-23 17:59 639231045980373765
33 ms 217.69.4.49
166 2026-08-23 17:59 639231045980373765
33 ms 217.16.185.221
165 2026-08-23 17:42 639231035984577527
29 ms 217.69.4.49
164 2026-08-23 17:42 639231035984577527
29 ms 217.16.185.221
163 2026-08-23 17:42 639231035984577527
29 ms 95.179.192.121
162 2026-08-23 17:26 639231025928115303
96 ms 95.179.192.121
161 2026-08-23 17:26 639231025928115303
96 ms 217.16.185.221
160 2026-08-23 17:26 639231025928115303
96 ms 217.69.4.49
159 2026-08-23 16:33 639230994250157583
12 ms 95.179.192.121
158 2026-08-23 16:33 639230994250157583
12 ms 217.16.185.221
157 2026-08-23 16:33 639230994250157583
12 ms 217.69.4.49
156 2026-08-23 16:17 639230984476411369
147 ms 95.179.192.121
155 2026-08-23 16:17 639230984476411369
147 ms 217.16.185.221
154 2026-08-23 16:17 639230984476411369
147 ms 217.69.4.49
153 2026-08-23 16:00 639230974838373450
96 ms 95.179.192.121
152 2026-08-23 16:00 639230974838373450
96 ms 217.16.185.221
151 2026-08-23 16:00 639230974838373450
96 ms 217.69.4.49
150 2026-08-23 15:44 639230965244277645
2 ms 217.69.4.49
149 2026-08-23 15:44 639230965244277645
2 ms 95.179.192.121
148 2026-08-23 15:44 639230965244277645
2 ms 217.16.185.221
147 2026-08-23 15:28 639230955522101820
83 ms 95.179.192.121
146 2026-08-23 15:28 639230955522101820
83 ms 217.16.185.221
145 2026-08-23 15:28 639230955522101820
83 ms 217.69.4.49
144 2026-08-23 15:12 639230945754521603
81 ms 217.69.4.49
143 2026-08-23 15:12 639230945754521603
81 ms 95.179.192.121
142 2026-08-23 15:12 639230945754521603
81 ms 217.16.185.221
141 2026-08-23 14:56 639230935852040504
99 ms 95.179.192.121
140 2026-08-23 14:56 639230935852040504
99 ms 217.16.185.221
139 2026-08-23 14:56 639230935852040504
99 ms 217.69.4.49
138 2026-08-23 14:39 639230926222061048
69 ms 217.16.185.221
137 2026-08-23 14:39 639230926222061048
69 ms 217.69.4.49
136 2026-08-23 14:39 639230926222061048
69 ms 95.179.192.121
135 2026-08-23 14:23 639230916449726907
29 ms 95.179.192.121
134 2026-08-23 14:23 639230916449726907
29 ms 217.16.185.221
133 2026-08-23 14:23 639230916449726907
29 ms 217.69.4.49
132 2026-08-23 14:07 639230906595053086
75 ms 95.179.192.121
131 2026-08-23 14:07 639230906595053086
75 ms 217.16.185.221
130 2026-08-23 14:07 639230906595053086
75 ms 217.69.4.49
129 2026-08-23 13:50 639230896680429441
43 ms 95.179.192.121
128 2026-08-23 13:50 639230896680429441
43 ms 217.16.185.221
127 2026-08-23 13:50 639230896680429441
43 ms 217.69.4.49
126 2026-08-23 13:33 639230886630210965
42 ms 217.16.185.221
125 2026-08-23 13:33 639230886630210965
42 ms 95.179.192.121
124 2026-08-23 13:33 639230886630210965
42 ms 217.69.4.49
123 2026-08-23 12:41 639230855430405719
41 ms 217.69.4.49
122 2026-08-23 12:41 639230855430405719
41 ms 95.179.192.121
121 2026-08-23 12:41 639230855430405719
41 ms 217.16.185.221
120 2026-08-23 12:25 639230845707499136
125 ms 95.179.192.121
119 2026-08-23 12:25 639230845707499136
125 ms 217.16.185.221
118 2026-08-23 12:25 639230845707499136
125 ms 217.69.4.49
117 2026-08-23 12:09 639230836186805419
60 ms 217.16.185.221
116 2026-08-23 12:09 639230836186805419
60 ms 95.179.192.121
115 2026-08-23 12:09 639230836186805419
60 ms 217.69.4.49
114 2026-08-23 11:53 639230826493828316
84 ms 95.179.192.121
113 2026-08-23 11:53 639230826493828316
84 ms 217.16.185.221
112 2026-08-23 11:53 639230826493828316
84 ms 217.69.4.49
111 2026-08-23 11:37 639230816817882996
50 ms 95.179.192.121
110 2026-08-23 11:37 639230816817882996
50 ms 217.16.185.221
109 2026-08-23 11:37 639230816817882996
50 ms 217.69.4.49
108 2026-08-23 11:21 639230806933854189
33 ms 217.16.185.221
107 2026-08-23 11:21 639230806933854189
33 ms 217.69.4.49
106 2026-08-23 11:21 639230806933854189
33 ms 95.179.192.121
105 2026-08-23 11:04 639230797120243854
158 ms 95.179.192.121
104 2026-08-23 11:04 639230797120243854
158 ms 217.16.185.221
103 2026-08-23 11:04 639230797120243854
158 ms 217.69.4.49
102 2026-08-23 10:48 639230787310272840
2503 ms 217.16.185.221
101 2026-08-23 10:48 639230787310272840
2503 ms 217.69.4.49
100 2026-08-23 10:48 639230787310272840
2503 ms 95.179.192.121
99 2026-08-23 10:32 639230777600173142
44 ms 217.69.4.49
98 2026-08-23 10:32 639230777600173142
44 ms 217.16.185.221
97 2026-08-23 10:32 639230777600173142
44 ms 95.179.192.121
96 2026-08-23 10:15 639230767665024593
93 ms 95.179.192.121
95 2026-08-23 10:15 639230767665024593
93 ms 217.69.4.49
94 2026-08-23 10:15 639230767665024593
93 ms 217.16.185.221
93 2026-08-23 09:59 639230757720962293
62 ms 217.16.185.221
92 2026-08-23 09:59 639230757720962293
62 ms 217.69.4.49
91 2026-08-23 09:59 639230757720962293
62 ms 95.179.192.121
90 2026-08-23 09:42 639230747722189784
258 ms 95.179.192.121
89 2026-08-23 09:42 639230747722189784
258 ms 217.16.185.221
88 2026-08-23 09:42 639230747722189784
258 ms 217.69.4.49
87 2026-08-23 08:50 639230716313923480
86 ms 95.179.192.121
86 2026-08-23 08:50 639230716313923480
86 ms 217.16.185.221
85 2026-08-23 08:50 639230716313923480
86 ms 217.69.4.49
84 2026-08-23 08:34 639230706813835990
105 ms 95.179.192.121
83 2026-08-23 08:34 639230706813835990
105 ms 217.16.185.221
82 2026-08-23 08:34 639230706813835990
105 ms 217.69.4.49
81 2026-08-23 08:17 639230696871062203
90 ms 95.179.192.121
80 2026-08-23 08:17 639230696871062203
90 ms 217.16.185.221
79 2026-08-23 08:17 639230696871062203
90 ms 217.69.4.49
78 2026-08-23 08:01 639230687142781616
85 ms 95.179.192.121
77 2026-08-23 08:01 639230687142781616
85 ms 217.16.185.221
76 2026-08-23 08:01 639230687142781616
85 ms 217.69.4.49
75 2026-08-23 07:45 639230677432142227
81 ms 95.179.192.121
74 2026-08-23 07:45 639230677432142227
81 ms 217.16.185.221
73 2026-08-23 07:45 639230677432142227
81 ms 217.69.4.49
72 2026-08-23 07:29 639230667686258061
141 ms 95.179.192.121
71 2026-08-23 07:29 639230667686258061
141 ms 217.16.185.221
70 2026-08-23 07:29 639230667686258061
141 ms 217.69.4.49
69 2026-08-23 07:12 639230658039243685
2012 ms 217.69.4.49
68 2026-08-23 07:12 639230658039243685
2012 ms 95.179.192.121
67 2026-08-23 07:12 639230658039243685
2012 ms 217.16.185.221
66 2026-08-23 06:56 639230648468473803
41 ms 217.69.4.49
65 2026-08-23 06:56 639230648468473803
41 ms 95.179.192.121
64 2026-08-23 06:56 639230648468473803
41 ms 217.16.185.221
63 2026-08-23 06:40 639230638829658294
121 ms 95.179.192.121
62 2026-08-23 06:40 639230638829658294
121 ms 217.16.185.221
61 2026-08-23 06:40 639230638829658294
121 ms 217.69.4.49
60 2026-08-23 06:24 639230629247017617
92 ms 95.179.192.121
59 2026-08-23 06:24 639230629247017617
92 ms 217.16.185.221
58 2026-08-23 06:24 639230629247017617
92 ms 217.69.4.49
57 2026-08-23 06:08 639230619625318239
41 ms 95.179.192.121
56 2026-08-23 06:08 639230619625318239
41 ms 217.16.185.221
55 2026-08-23 06:08 639230619625318239
41 ms 217.69.4.49
54 2026-08-23 05:52 639230609697630264
61 ms 95.179.192.121
53 2026-08-23 05:52 639230609697630264
61 ms 217.16.185.221
52 2026-08-23 05:52 639230609697630264
61 ms 217.69.4.49
51 2026-08-23 05:00 639230578570131864
65 ms 95.179.192.121
50 2026-08-23 05:00 639230578570131864
65 ms 217.16.185.221
49 2026-08-23 05:00 639230578570131864
65 ms 217.69.4.49
48 2026-08-23 04:44 639230568958963168
117 ms 217.69.4.49
47 2026-08-23 04:44 639230568958963168
117 ms 95.179.192.121
46 2026-08-23 04:44 639230568958963168
117 ms 217.16.185.221
45 2026-08-23 04:28 639230559287611211
120 ms 95.179.192.121
44 2026-08-23 04:28 639230559287611211
120 ms 217.16.185.221
43 2026-08-23 04:28 639230559287611211
120 ms 217.69.4.49
42 2026-08-23 04:12 639230549524312030
35 ms 95.179.192.121
41 2026-08-23 04:12 639230549524312030
35 ms 217.16.185.221
40 2026-08-23 04:12 639230549524312030
35 ms 217.69.4.49
39 2026-08-23 03:55 639230539739801669
90 ms 217.16.185.221
38 2026-08-23 03:55 639230539739801669
90 ms 217.69.4.49
37 2026-08-23 03:55 639230539739801669
90 ms 95.179.192.121
36 2026-08-23 03:39 639230530084069375
80 ms 95.179.192.121
35 2026-08-23 03:39 639230530084069375
80 ms 217.16.185.221
34 2026-08-23 03:39 639230530084069375
80 ms 217.69.4.49
33 2026-08-23 03:23 639230520362691441
32 ms 217.16.185.221
32 2026-08-23 03:23 639230520362691441
32 ms 217.69.4.49
31 2026-08-23 03:23 639230520362691441
32 ms 95.179.192.121
30 2026-08-23 03:07 639230510677194518
100 ms 95.179.192.121
29 2026-08-23 03:07 639230510677194518
100 ms 217.16.185.221
28 2026-08-23 03:07 639230510677194518
100 ms 217.69.4.49
27 2026-08-23 02:51 639230501156002646
54 ms 217.69.4.49
26 2026-08-23 02:51 639230501156002646
54 ms 217.16.185.221
25 2026-08-23 02:51 639230501156002646
54 ms 95.179.192.121
24 2026-08-23 02:35 639230491502198541
2074 ms 217.16.185.221
23 2026-08-23 02:35 639230491502198541
2074 ms 217.69.4.49
22 2026-08-23 02:35 639230491502198541
2074 ms 95.179.192.121
21 2026-08-23 02:19 639230481860318494
32 ms 217.69.4.49
20 2026-08-23 02:19 639230481860318494
32 ms 95.179.192.121
19 2026-08-23 02:19 639230481860318494
32 ms 217.16.185.221
18 2026-08-23 02:02 639230471893008575
47 ms 95.179.192.121
17 2026-08-23 02:02 639230471893008575
47 ms 217.16.185.221
16 2026-08-23 02:02 639230471893008575
47 ms 217.69.4.49
15 2026-08-23 01:09 639230440030877421
39 ms 95.179.192.121
14 2026-08-23 01:09 639230440030877421
39 ms 217.16.185.221
13 2026-08-23 01:09 639230440030877421
39 ms 217.69.4.49
12 2026-08-23 00:53 639230430479725508
23 ms 95.179.192.121
11 2026-08-23 00:53 639230430479725508
23 ms 217.69.4.49
10 2026-08-23 00:53 639230430479725508
23 ms 217.16.185.221
9 2026-08-23 00:37 639230420875160219
78 ms 217.16.185.221
8 2026-08-23 00:37 639230420875160219
78 ms 95.179.192.121
7 2026-08-23 00:37 639230420875160219
78 ms 217.69.4.49
6 2026-08-23 00:21 639230411240692575
88 ms 95.179.192.121
5 2026-08-23 00:21 639230411240692575
88 ms 217.16.185.221
4 2026-08-23 00:21 639230411240692575
88 ms 217.69.4.49
3 2026-08-23 00:05 639230401550806607
70 ms 95.179.192.121
2 2026-08-23 00:05 639230401550806607
70 ms 217.16.185.221
1 2026-08-23 00:05 639230401550806607
70 ms 217.69.4.49