DNS response history for ns2.a1cert.com

ns2.a1cert.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 2026-08-14. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 332 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.a1cert.com.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

332 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-14 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

77.223.137.136

Most recently resolved hosting IP on selected date

Successful Responses

76

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 ns2.a1cert.com

Showing DNS history for 2026-08-14 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
77 2026-08-14 23:46 639223477272309567
7 ms 77.223.137.136
76 2026-08-14 23:30 639223467876800215
73 ms 77.223.137.136
75 2026-08-14 23:14 639223458466733344
69 ms 77.223.137.136
74 2026-08-14 22:59 639223449196197019
113 ms 77.223.137.136
73 2026-08-14 22:43 639223439729973302
2042 ms 77.223.137.136
72 2026-08-14 22:27 639223430298973377
132 ms 77.223.137.136
71 2026-08-14 22:12 639223420812183061
7 ms 77.223.137.136
70 2026-08-14 21:56 639223411307572360
119 ms 77.223.137.136
69 2026-08-14 21:40 639223401895099116
-
68 2026-08-14 20:47 639223370328282191
102 ms 77.223.137.136
67 2026-08-14 20:32 639223361156898888
2008 ms 77.223.137.136
66 2026-08-14 20:16 639223351683501109
31 ms 77.223.137.136
65 2026-08-14 20:01 639223342485908428
40 ms 77.223.137.136
64 2026-08-14 19:45 639223333113923772
118 ms 77.223.137.136
63 2026-08-14 19:30 639223323766820131
72 ms 77.223.137.136
62 2026-08-14 19:14 639223314500774279
67 ms 77.223.137.136
61 2026-08-14 18:59 639223305225877159
2015 ms 77.223.137.136
60 2026-08-14 18:43 639223295834845965
131 ms 77.223.137.136
59 2026-08-14 18:27 639223286312006616
7 ms 77.223.137.136
58 2026-08-14 18:11 639223276659010988
115 ms 77.223.137.136
57 2026-08-14 17:55 639223267203892251
107 ms 77.223.137.136
56 2026-08-14 17:03 639223235652723921
135 ms 77.223.137.136
55 2026-08-14 16:47 639223226156684619
141 ms 77.223.137.136
54 2026-08-14 16:32 639223216737677817
102 ms 77.223.137.136
53 2026-08-14 16:16 639223207303987036
121 ms 77.223.137.136
52 2026-08-14 16:00 639223197972369650
104 ms 77.223.137.136
51 2026-08-14 15:45 639223188476518684
105 ms 77.223.137.136
50 2026-08-14 15:29 639223179029668254
59 ms 77.223.137.136
49 2026-08-14 15:13 639223169668684371
110 ms 77.223.137.136
48 2026-08-14 14:57 639223160270013058
111 ms 77.223.137.136
47 2026-08-14 14:42 639223150848386507
105 ms 77.223.137.136
46 2026-08-14 14:26 639223141514160124
68 ms 77.223.137.136
45 2026-08-14 14:10 639223131908897269
113 ms 77.223.137.136
44 2026-08-14 13:17 639223100084750932
50 ms 77.223.137.136
43 2026-08-14 13:01 639223090744921973
112 ms 77.223.137.136
42 2026-08-14 12:46 639223081343134137
102 ms 77.223.137.136
41 2026-08-14 12:30 639223071917003603
2032 ms 77.223.137.136
40 2026-08-14 12:14 639223062407395043
111 ms 77.223.137.136
39 2026-08-14 11:58 639223052970600447
92 ms 77.223.137.136
38 2026-08-14 11:43 639223043584242187
2074 ms 77.223.137.136
37 2026-08-14 11:27 639223034248611856
110 ms 77.223.137.136
36 2026-08-14 11:11 639223024816175094
58 ms 77.223.137.136
35 2026-08-14 10:55 639223015278211871
83 ms 77.223.137.136
34 2026-08-14 10:39 639223005387568522
98 ms 77.223.137.136
33 2026-08-14 10:23 639222995944735037
2070 ms 77.223.137.136
32 2026-08-14 09:30 639222964532402826
135 ms 77.223.137.136
31 2026-08-14 09:15 639222955031971579
132 ms 77.223.137.136
30 2026-08-14 08:59 639222945616352079
120 ms 77.223.137.136
29 2026-08-14 08:43 639222936296615644
71 ms 77.223.137.136
28 2026-08-14 08:28 639222926913151746
15 ms 77.223.137.136
27 2026-08-14 08:12 639222917608375722
57 ms 77.223.137.136
26 2026-08-14 07:57 639222908294448500
125 ms 77.223.137.136
25 2026-08-14 07:41 639222898918389753
2081 ms 77.223.137.136
24 2026-08-14 07:26 639222889625876211
119 ms 77.223.137.136
23 2026-08-14 07:10 639222880353707528
2105 ms 77.223.137.136
22 2026-08-14 06:55 639222871065611259
81 ms 77.223.137.136
21 2026-08-14 06:39 639222861517093112
108 ms 77.223.137.136
20 2026-08-14 05:47 639222830182717637
112 ms 77.223.137.136
19 2026-08-14 05:31 639222820714737422
84 ms 77.223.137.136
18 2026-08-14 05:16 639222811404284741
111 ms 77.223.137.136
17 2026-08-14 05:00 639222801994952240
105 ms 77.223.137.136
16 2026-08-14 04:44 639222792581940911
115 ms 77.223.137.136
15 2026-08-14 04:29 639222783296631220
138 ms 77.223.137.136
14 2026-08-14 04:13 639222773909528001
88 ms 77.223.137.136
13 2026-08-14 03:57 639222764574707991
104 ms 77.223.137.136
12 2026-08-14 03:42 639222754982758281
104 ms 77.223.137.136
11 2026-08-14 03:26 639222745650144239
104 ms 77.223.137.136
10 2026-08-14 03:10 639222736060223018
171 ms 77.223.137.136
9 2026-08-14 02:54 639222726529271510
141 ms 77.223.137.136
8 2026-08-14 02:01 639222694791257846
109 ms 77.223.137.136
7 2026-08-14 01:46 639222685350317820
51 ms 77.223.137.136
6 2026-08-14 01:30 639222675895178560
39 ms 77.223.137.136
5 2026-08-14 01:14 639222666344182743
118 ms 77.223.137.136
4 2026-08-14 00:58 639222656762316965
36 ms 77.223.137.136
3 2026-08-14 00:42 639222647109404695
126 ms 77.223.137.136
2 2026-08-14 00:26 639222637659944389
2071 ms 77.223.137.136
1 2026-08-14 00:10 639222628151417313
516 ms 77.223.137.136