DNS response history for ns1.cloudflare.com

ns1.cloudflare.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, 61 successful responses, 1 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.cloudflare.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 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.58.100

Most recently resolved hosting IP on selected date

Successful Responses

61

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.cloudflare.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 23:52 639221753022017039
45 ms 173.245.58.100
61 2026-08-12 23:37 639221744107644868
7 ms 173.245.58.100
60 2026-08-12 23:22 639221735030187244
4 ms 173.245.58.100
59 2026-08-12 23:07 639221725815508109
4 ms 173.245.58.100
58 2026-08-12 22:14 639221694790955973
10 ms 173.245.58.100
57 2026-08-12 21:59 639221685562451720
10 ms 173.245.58.100
56 2026-08-12 21:43 639221676023655289
5 ms 173.245.58.100
55 2026-08-12 21:27 639221666449119409
40 ms 173.245.58.100
54 2026-08-12 20:35 639221635456432556
81 ms 173.245.58.100
53 2026-08-12 20:20 639221626313054202
9 ms 173.245.58.100
52 2026-08-12 20:05 639221617091958857
5 ms 173.245.58.100
51 2026-08-12 19:49 639221607786737151
51 ms 173.245.58.100
50 2026-08-12 18:58 639221576664330059
5 ms 173.245.58.100
49 2026-08-12 18:42 639221567514216674
-
48 2026-08-12 18:27 639221558399762524
31 ms 173.245.58.100
47 2026-08-12 18:11 639221549052016282
25 ms 173.245.58.100
46 2026-08-12 17:19 639221517673834934
8 ms 173.245.58.100
45 2026-08-12 17:03 639221508282311633
46 ms 173.245.58.100
44 2026-08-12 16:47 639221498786324983
3 ms 173.245.58.100
43 2026-08-12 16:31 639221489157589737
2021 ms 173.245.58.100
42 2026-08-12 15:39 639221457655914645
60 ms 173.245.58.100
41 2026-08-12 15:23 639221448164090526
17 ms 173.245.58.100
40 2026-08-12 15:07 639221438725783630
2007 ms 173.245.58.100
39 2026-08-12 14:51 639221429178071087
86 ms 173.245.58.100
38 2026-08-12 13:59 639221397761278719
62 ms 173.245.58.100
37 2026-08-12 13:43 639221388200567278
2018 ms 173.245.58.100
36 2026-08-12 13:27 639221378483570949
8 ms 173.245.58.100
35 2026-08-12 13:11 639221368872360139
38 ms 173.245.58.100
34 2026-08-12 12:18 639221337226647415
30 ms 173.245.58.100
33 2026-08-12 12:02 639221327924087446
29 ms 173.245.58.100
32 2026-08-12 11:46 639221318096976375
27 ms 173.245.58.100
31 2026-08-12 11:30 639221308343145274
2029 ms 173.245.58.100
30 2026-08-12 10:38 639221277089610470
4 ms 173.245.58.100
29 2026-08-12 10:22 639221267628136359
7 ms 173.245.58.100
28 2026-08-12 10:06 639221257907569952
10 ms 173.245.58.100
27 2026-08-12 09:50 639221248402420965
38 ms 173.245.58.100
26 2026-08-12 08:57 639221216797540533
6 ms 173.245.58.100
25 2026-08-12 08:42 639221207385792352
45 ms 173.245.58.100
24 2026-08-12 08:26 639221198078534844
3 ms 173.245.58.100
23 2026-08-12 08:11 639221188677585577
41 ms 173.245.58.100
22 2026-08-12 07:17 639221157276484143
47 ms 173.245.58.100
21 2026-08-12 07:01 639221147876262183
51 ms 173.245.58.100
20 2026-08-12 06:46 639221138388812469
47 ms 173.245.58.100
19 2026-08-12 06:30 639221128987381118
66 ms 173.245.58.100
18 2026-08-12 05:38 639221097816416095
136 ms 173.245.58.100
17 2026-08-12 05:23 639221088508065616
2011 ms 173.245.58.100
16 2026-08-12 05:07 639221079092308503
2055 ms 173.245.58.100
15 2026-08-12 04:51 639221069595873597
99 ms 173.245.58.100
14 2026-08-12 03:59 639221038601577496
6 ms 173.245.58.100
13 2026-08-12 03:44 639221029533901299
2047 ms 173.245.58.100
12 2026-08-12 03:29 639221020333828965
2065 ms 173.245.58.100
11 2026-08-12 03:14 639221011110510484
97 ms 173.245.58.100
10 2026-08-12 02:22 639220979815209769
3 ms 173.245.58.100
9 2026-08-12 02:07 639220970971410921
11 ms 173.245.58.100
8 2026-08-12 01:52 639220961848982361
37 ms 173.245.58.100
7 2026-08-12 01:37 639220952784591501
26 ms 173.245.58.100
6 2026-08-12 01:22 639220943893596731
34 ms 173.245.58.100
5 2026-08-12 01:07 639220934954704520
3 ms 173.245.58.100
4 2026-08-12 00:52 639220925792457751
29 ms 173.245.58.100
3 2026-08-12 00:37 639220916610063538
30 ms 173.245.58.100
2 2026-08-12 00:21 639220907229361754
85 ms 173.245.58.100
1 2026-08-12 00:06 639220897896762127
38 ms 173.245.58.100