DNS response history for dns0.certus-tech.com

dns0.certus-tech.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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 71 successful responses, 3 failed responses, and 214 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 dns0.certus-tech.com.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

214 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.104.135.254

Most recently resolved hosting IP on selected date

Successful Responses

71

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns0.certus-tech.com

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:48 639230391807229016
2091 ms 172.104.135.254
73 2026-08-22 23:31 639230382051619327
54 ms 172.104.135.254
72 2026-08-22 23:15 639230372323353529
57 ms 172.104.135.254
71 2026-08-22 22:59 639230362586451064
56 ms 172.104.135.254
70 2026-08-22 22:43 639230352793666303
2019 ms 172.104.135.254
69 2026-08-22 22:26 639230342775737758
97 ms 172.104.135.254
68 2026-08-22 22:09 639230332639939561
50 ms 172.104.135.254
67 2026-08-22 21:16 639230301014190104
55 ms 172.104.135.254
66 2026-08-22 21:00 639230291048161498
21 ms 172.104.135.254
65 2026-08-22 20:43 639230280894353664
3 ms 172.104.135.254
64 2026-08-22 20:26 639230270699419073
41 ms 172.104.135.254
63 2026-08-22 20:08 639230260248163050
-
62 2026-08-22 19:51 639230250122494282
45 ms 172.104.135.254
61 2026-08-22 19:35 639230239972935046
97 ms 172.104.135.254
60 2026-08-22 19:18 639230229963262464
36 ms 172.104.135.254
59 2026-08-22 19:01 639230220033804658
64 ms 172.104.135.254
58 2026-08-22 18:44 639230209891107289
42 ms 172.104.135.254
57 2026-08-22 18:27 639230199630298717
69 ms 172.104.135.254
56 2026-08-22 18:10 639230189301984150
64 ms 172.104.135.254
55 2026-08-22 17:17 639230157138468804
74 ms 172.104.135.254
54 2026-08-22 17:00 639230146987869495
29 ms 172.104.135.254
53 2026-08-22 16:43 639230136768638516
54 ms 172.104.135.254
52 2026-08-22 16:26 639230126735907877
2130 ms 172.104.135.254
51 2026-08-22 16:09 639230116551187768
73 ms 172.104.135.254
50 2026-08-22 15:52 639230106335615913
39 ms 172.104.135.254
49 2026-08-22 15:35 639230096177758176
15 ms 172.104.135.254
48 2026-08-22 15:18 639230086185999993
48 ms 172.104.135.254
47 2026-08-22 15:02 639230076247854903
59 ms 172.104.135.254
46 2026-08-22 14:45 639230066076077530
-
45 2026-08-22 14:28 639230055738197328
52 ms 172.104.135.254
44 2026-08-22 14:10 639230045411225521
13 ms 172.104.135.254
43 2026-08-22 13:16 639230013046000470
54 ms 172.104.135.254
42 2026-08-22 13:00 639230003090037878
40 ms 172.104.135.254
41 2026-08-22 12:43 639229993008259475
46 ms 172.104.135.254
40 2026-08-22 12:26 639229982909449470
23 ms 172.104.135.254
39 2026-08-22 12:10 639229973035502212
38 ms 172.104.135.254
38 2026-08-22 11:53 639229963064296145
50 ms 172.104.135.254
37 2026-08-22 11:36 639229952996162143
23 ms 172.104.135.254
36 2026-08-22 11:20 639229943051949195
23 ms 172.104.135.254
35 2026-08-22 11:03 639229932919214934
8 ms 172.104.135.254
34 2026-08-22 10:46 639229922745889838
4015 ms 172.104.135.254
33 2026-08-22 10:29 639229912587214796
33 ms 172.104.135.254
32 2026-08-22 10:12 639229902240004454
46 ms 172.104.135.254
31 2026-08-22 09:19 639229870800501662
50 ms 172.104.135.254
30 2026-08-22 09:03 639229861058384956
22 ms 172.104.135.254
29 2026-08-22 08:47 639229851158592604
7 ms 172.104.135.254
28 2026-08-22 08:30 639229841475569629
15 ms 172.104.135.254
27 2026-08-22 08:14 639229831887658471
14 ms 172.104.135.254
26 2026-08-22 07:58 639229822043670346
19 ms 172.104.135.254
25 2026-08-22 07:42 639229812327913936
43 ms 172.104.135.254
24 2026-08-22 07:26 639229802629488686
41 ms 172.104.135.254
23 2026-08-22 07:10 639229793051447309
107 ms 172.104.135.254
22 2026-08-22 06:53 639229783303531961
48 ms 172.104.135.254
21 2026-08-22 06:37 639229773458051942
53 ms 172.104.135.254
20 2026-08-22 06:20 639229763373848056
63 ms 172.104.135.254
19 2026-08-22 05:28 639229732140622809
23 ms 172.104.135.254
18 2026-08-22 05:12 639229722699695967
2057 ms 172.104.135.254
17 2026-08-22 04:56 639229713097498075
50 ms 172.104.135.254
16 2026-08-22 04:41 639229703543969637
4 ms 172.104.135.254
15 2026-08-22 04:25 639229693970392873
3 ms 172.104.135.254
14 2026-08-22 04:08 639229684277329469
26 ms 172.104.135.254
13 2026-08-22 03:52 639229674501596661
95 ms 172.104.135.254
12 2026-08-22 03:36 639229665064441147
4 ms 172.104.135.254
11 2026-08-22 03:20 639229655507536872
10 ms 172.104.135.254
10 2026-08-22 03:04 639229645849603111
55 ms 172.104.135.254
9 2026-08-22 02:48 639229636090497453
53 ms 172.104.135.254
8 2026-08-22 02:31 639229625978544281
43 ms 172.104.135.254
7 2026-08-22 01:39 639229594644662176
4 ms 172.104.135.254
6 2026-08-22 01:23 639229585214633065
47 ms 172.104.135.254
5 2026-08-22 01:07 639229575581042175
-
4 2026-08-22 00:51 639229565912268962
61 ms 172.104.135.254
3 2026-08-22 00:35 639229556237813203
51 ms 172.104.135.254
2 2026-08-22 00:19 639229546625802518
16 ms 172.104.135.254
1 2026-08-22 00:03 639229537172016621
131 ms 172.104.135.254