DNS response history for ns1.cofserver.com

ns1.cofserver.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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 295 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.cofserver.com.
Records on Selected Date

62

Historical checks stored for this nameserver on selected date

Average Latency

295 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

217.18.168.4

Most recently resolved hosting IP on selected date

Successful Responses

62

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 ns1.cofserver.com

Showing DNS history for 2026-08-12 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
62 2026-08-12 23:54 639221753022017039
2091 ms 217.18.168.4
61 2026-08-12 23:39 639221744107644868
79 ms 217.18.168.4
60 2026-08-12 23:24 639221735030187244
2048 ms 217.18.168.4
59 2026-08-12 23:08 639221725815508109
71 ms 217.18.168.4
58 2026-08-12 22:17 639221694790955973
82 ms 217.18.168.4
57 2026-08-12 22:02 639221685562451720
77 ms 217.18.168.4
56 2026-08-12 21:46 639221676023655289
130 ms 217.18.168.4
55 2026-08-12 21:30 639221666449119409
120 ms 217.18.168.4
54 2026-08-12 20:39 639221635456432556
85 ms 217.18.168.4
53 2026-08-12 20:23 639221626313054202
39 ms 217.18.168.4
52 2026-08-12 20:08 639221617091958857
95 ms 217.18.168.4
51 2026-08-12 19:52 639221607786737151
7 ms 217.18.168.4
50 2026-08-12 19:01 639221576664330059
116 ms 217.18.168.4
49 2026-08-12 18:45 639221567514216674
96 ms 217.18.168.4
48 2026-08-12 18:30 639221558399762524
60 ms 217.18.168.4
47 2026-08-12 18:14 639221549052016282
77 ms 217.18.168.4
46 2026-08-12 17:21 639221517673834934
52 ms 217.18.168.4
45 2026-08-12 17:06 639221508282311633
2063 ms 217.18.168.4
44 2026-08-12 16:50 639221498786324983
2096 ms 217.18.168.4
43 2026-08-12 16:34 639221489157589737
2132 ms 217.18.168.4
42 2026-08-12 15:41 639221457655914645
53 ms 217.18.168.4
41 2026-08-12 15:26 639221448164090526
121 ms 217.18.168.4
40 2026-08-12 15:10 639221438725783630
123 ms 217.18.168.4
39 2026-08-12 14:54 639221429178071087
63 ms 217.18.168.4
38 2026-08-12 14:01 639221397761278719
61 ms 217.18.168.4
37 2026-08-12 13:46 639221388200567278
69 ms 217.18.168.4
36 2026-08-12 13:29 639221378483570949
82 ms 217.18.168.4
35 2026-08-12 13:13 639221368872360139
76 ms 217.18.168.4
34 2026-08-12 12:21 639221337226647415
77 ms 217.18.168.4
33 2026-08-12 12:06 639221327924087446
73 ms 217.18.168.4
32 2026-08-12 11:50 639221318096976375
79 ms 217.18.168.4
31 2026-08-12 11:33 639221308343145274
78 ms 217.18.168.4
30 2026-08-12 10:41 639221277089610470
76 ms 217.18.168.4
29 2026-08-12 10:25 639221267628136359
78 ms 217.18.168.4
28 2026-08-12 10:09 639221257907569952
72 ms 217.18.168.4
27 2026-08-12 09:53 639221248402420965
79 ms 217.18.168.4
26 2026-08-12 09:00 639221216797540533
80 ms 217.18.168.4
25 2026-08-12 08:45 639221207385792352
73 ms 217.18.168.4
24 2026-08-12 08:29 639221198078534844
47 ms 217.18.168.4
23 2026-08-12 08:14 639221188677585577
36 ms 217.18.168.4
22 2026-08-12 07:22 639221157276484143
57 ms 217.18.168.4
21 2026-08-12 07:07 639221147876262183
96 ms 217.18.168.4
20 2026-08-12 06:51 639221138388812469
80 ms 217.18.168.4
19 2026-08-12 06:35 639221128987381118
49 ms 217.18.168.4
18 2026-08-12 05:43 639221097816416095
46 ms 217.18.168.4
17 2026-08-12 05:27 639221088508065616
51 ms 217.18.168.4
16 2026-08-12 05:12 639221079092308503
58 ms 217.18.168.4
15 2026-08-12 04:56 639221069595873597
71 ms 217.18.168.4
14 2026-08-12 04:04 639221038601577496
8 ms 217.18.168.4
13 2026-08-12 03:49 639221029533901299
21 ms 217.18.168.4
12 2026-08-12 03:34 639221020333828965
18 ms 217.18.168.4
11 2026-08-12 03:18 639221011110510484
6 ms 217.18.168.4
10 2026-08-12 02:26 639220979815209769
54 ms 217.18.168.4
9 2026-08-12 02:11 639220970971410921
90 ms 217.18.168.4
8 2026-08-12 01:56 639220961848982361
70 ms 217.18.168.4
7 2026-08-12 01:41 639220952784591501
2039 ms 217.18.168.4
6 2026-08-12 01:26 639220943893596731
17 ms 217.18.168.4
5 2026-08-12 01:11 639220934954704520
2052 ms 217.18.168.4
4 2026-08-12 00:56 639220925792457751
78 ms 217.18.168.4
3 2026-08-12 00:40 639220916610063538
76 ms 217.18.168.4
2 2026-08-12 00:25 639220907229361754
37 ms 217.18.168.4
1 2026-08-12 00:09 639220897896762127
82 ms 217.18.168.4