DNS response history for sullivan.ns.cloudflare.com

sullivan.ns.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 2026-08-26. For this date, NameServerHistory found 44 DNS check records, 42 successful responses, 2 failed responses, and 14 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 sullivan.ns.cloudflare.com.
Records on Selected Date

44

Historical checks stored for this nameserver on selected date

Average Latency

14 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 05:03

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.195.161

Most recently resolved hosting IP on selected date

Successful Responses

42

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

5%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for sullivan.ns.cloudflare.com

Showing DNS history for 2026-08-26 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
44 2026-08-26 05:03 639233172074181051
12 ms 108.162.195.161
43 2026-08-26 05:03 639233172074181051
12 ms 162.159.44.161
42 2026-08-26 05:03 639233172074181051
12 ms 172.64.35.161
41 2026-08-26 04:46 639233161808421455
8 ms 108.162.195.161
40 2026-08-26 04:46 639233161808421455
8 ms 162.159.44.161
39 2026-08-26 04:46 639233161808421455
8 ms 172.64.35.161
38 2026-08-26 04:29 639233151357344052
35 ms 108.162.195.161
37 2026-08-26 04:29 639233151357344052
35 ms 162.159.44.161
36 2026-08-26 04:29 639233151357344052
35 ms 172.64.35.161
35 2026-08-26 04:12 639233141034116946
11 ms 108.162.195.161
34 2026-08-26 04:12 639233141034116946
11 ms 162.159.44.161
33 2026-08-26 04:12 639233141034116946
11 ms 172.64.35.161
32 2026-08-26 03:55 639233130828334142
19 ms 162.159.44.161
31 2026-08-26 03:55 639233130828334142
19 ms 108.162.195.161
30 2026-08-26 03:55 639233130828334142
19 ms 172.64.35.161
29 2026-08-26 03:37 639233120373450007
8 ms 108.162.195.161
28 2026-08-26 03:37 639233120373450007
8 ms 162.159.44.161
27 2026-08-26 03:37 639233120373450007
8 ms 172.64.35.161
26 2026-08-26 03:20 639233110066216193
4 ms 108.162.195.161
25 2026-08-26 03:20 639233110066216193
4 ms 162.159.44.161
24 2026-08-26 03:20 639233110066216193
4 ms 172.64.35.161
23 2026-08-26 02:27 639233078065410564
13 ms 108.162.195.161
22 2026-08-26 02:27 639233078065410564
13 ms 172.64.35.161
21 2026-08-26 02:27 639233078065410564
13 ms 162.159.44.161
20 2026-08-26 02:09 639233067787457832
5 ms 108.162.195.161
19 2026-08-26 02:09 639233067787457832
5 ms 162.159.44.161
18 2026-08-26 02:09 639233067787457832
5 ms 172.64.35.161
17 2026-08-26 01:52 639233057501801162
5 ms 108.162.195.161
16 2026-08-26 01:52 639233057501801162
5 ms 162.159.44.161
15 2026-08-26 01:52 639233057501801162
5 ms 172.64.35.161
14 2026-08-26 01:35 639233047089431703
33 ms 108.162.195.161
13 2026-08-26 01:35 639233047089431703
33 ms 162.159.44.161
12 2026-08-26 01:35 639233047089431703
33 ms 172.64.35.161
11 2026-08-26 01:18 639233036754790688
11 ms 108.162.195.161
10 2026-08-26 01:18 639233036754790688
11 ms 162.159.44.161
9 2026-08-26 01:18 639233036754790688
11 ms 172.64.35.161
8 2026-08-26 01:01 639233026412602472
-
7 2026-08-26 00:43 639233016064066127
23 ms 108.162.195.161
6 2026-08-26 00:43 639233016064066127
23 ms 162.159.44.161
5 2026-08-26 00:43 639233016064066127
23 ms 172.64.35.161
4 2026-08-26 00:26 639233005922655772
-
3 2026-08-26 00:09 639232995672256907
8 ms 108.162.195.161
2 2026-08-26 00:09 639232995672256907
8 ms 162.159.44.161
1 2026-08-26 00:09 639232995672256907
8 ms 172.64.35.161