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 2026-08-27. For this date, NameServerHistory found 71 DNS check records, 69 successful responses, 2 failed responses, and 368 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

71

Historical checks stored for this nameserver on selected date

Average Latency

368 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:14

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

69

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

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 2026-08-27 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
71 2026-08-27 23:14 639234690580226618
25 ms 173.245.58.100
70 2026-08-27 22:57 639234680477852135
9 ms 173.245.58.100
69 2026-08-27 22:40 639234670282270693
3 ms 173.245.58.100
68 2026-08-27 22:23 639234660146106544
11 ms 173.245.58.100
67 2026-08-27 22:06 639234649768231829
6 ms 173.245.58.100
66 2026-08-27 21:49 639234639589413826
2031 ms 173.245.58.100
65 2026-08-27 21:32 639234629372993861
3 ms 173.245.58.100
64 2026-08-27 21:15 639234619223904344
16 ms 173.245.58.100
63 2026-08-27 20:58 639234608944811927
6 ms 173.245.58.100
62 2026-08-27 20:41 639234598661858910
3 ms 173.245.58.100
61 2026-08-27 20:23 639234588314533893
10 ms 173.245.58.100
60 2026-08-27 20:06 639234577878211878
6 ms 173.245.58.100
59 2026-08-27 19:12 639234545578367474
5 ms 173.245.58.100
58 2026-08-27 18:55 639234535255111795
14 ms 173.245.58.100
57 2026-08-27 18:38 639234525107594067
2036 ms 173.245.58.100
56 2026-08-27 18:21 639234514890244566
12 ms 173.245.58.100
55 2026-08-27 18:04 639234504745477862
2009 ms 173.245.58.100
54 2026-08-27 17:47 639234494449227290
73 ms 173.245.58.100
53 2026-08-27 17:30 639234484118025686
4020 ms 173.245.58.100
52 2026-08-27 17:13 639234473946362077
3 ms 173.245.58.100
51 2026-08-27 16:56 639234463759124388
24 ms 173.245.58.100
50 2026-08-27 16:39 639234453500759178
44 ms 173.245.58.100
49 2026-08-27 16:21 639234442983541638
6 ms 173.245.58.100
48 2026-08-27 16:04 639234432404354562
15 ms 173.245.58.100
47 2026-08-27 15:09 639234399767719119
2009 ms 173.245.58.100
46 2026-08-27 14:52 639234389460601485
32 ms 173.245.58.100
45 2026-08-27 14:35 639234379227178707
54 ms 173.245.58.100
44 2026-08-27 14:18 639234369065315214
29 ms 173.245.58.100
43 2026-08-27 14:01 639234358825501576
26 ms 173.245.58.100
42 2026-08-27 13:44 639234348572745268
20 ms 173.245.58.100
41 2026-08-27 13:27 639234338264503481
31 ms 173.245.58.100
40 2026-08-27 13:09 639234327818741376
39 ms 173.245.58.100
39 2026-08-27 12:52 639234317475724313
33 ms 173.245.58.100
38 2026-08-27 12:35 639234307007468133
29 ms 173.245.58.100
37 2026-08-27 12:17 639234296664302575
14 ms 173.245.58.100
36 2026-08-27 12:00 639234286253196126
11 ms 173.245.58.100
35 2026-08-27 11:06 639234253963286387
7 ms 173.245.58.100
34 2026-08-27 10:49 639234243654907465
94 ms 173.245.58.100
33 2026-08-27 10:32 639234233269654413
23 ms 173.245.58.100
32 2026-08-27 10:14 639234222943951923
4 ms 173.245.58.100
31 2026-08-27 09:57 639234212558002823
77 ms 173.245.58.100
30 2026-08-27 09:40 639234202117531850
2033 ms 173.245.58.100
29 2026-08-27 09:22 639234191649612722
2024 ms 173.245.58.100
28 2026-08-27 09:05 639234181105879568
12 ms 173.245.58.100
27 2026-08-27 08:47 639234170713214496
9 ms 173.245.58.100
26 2026-08-27 08:30 639234160341037652
6 ms 173.245.58.100
25 2026-08-27 08:13 639234149799404224
27 ms 173.245.58.100
24 2026-08-27 07:56 639234139553286469
-
23 2026-08-27 07:02 639234107183588293
26 ms 173.245.58.100
22 2026-08-27 06:44 639234096905435724
7 ms 173.245.58.100
21 2026-08-27 06:27 639234086579410775
2015 ms 173.245.58.100
20 2026-08-27 06:10 639234076291157956
25 ms 173.245.58.100
19 2026-08-27 05:53 639234065981939454
2018 ms 173.245.58.100
18 2026-08-27 05:36 639234055548642997
21 ms 173.245.58.100
17 2026-08-27 05:18 639234045267979603
54 ms 173.245.58.100
16 2026-08-27 05:01 639234034999717463
19 ms 173.245.58.100
15 2026-08-27 04:44 639234024739225358
6 ms 173.245.58.100
14 2026-08-27 04:27 639234014311170162
3 ms 173.245.58.100
13 2026-08-27 04:09 639234003806017640
4 ms 173.245.58.100
12 2026-08-27 03:52 639233993356203030
2016 ms 173.245.58.100
11 2026-08-27 02:59 639233961301716608
5 ms 173.245.58.100
10 2026-08-27 02:41 639233950834200647
15 ms 173.245.58.100
9 2026-08-27 02:24 639233940431849026
-
8 2026-08-27 02:06 639233930110596398
14 ms 173.245.58.100
7 2026-08-27 01:49 639233919705434540
8 ms 173.245.58.100
6 2026-08-27 01:32 639233909452807845
51 ms 173.245.58.100
5 2026-08-27 01:15 639233899096420820
2025 ms 173.245.58.100
4 2026-08-27 00:58 639233888707824939
27 ms 173.245.58.100
3 2026-08-27 00:40 639233878461203802
4 ms 173.245.58.100
2 2026-08-27 00:23 639233868060868209
18 ms 173.245.58.100
1 2026-08-27 00:05 639233857450922991
11 ms 173.245.58.100