DNS response history for cffw1.dns.umich.com

cffw1.dns.umich.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 35 DNS check records, 35 successful responses, 0 failed responses, and 456 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 cffw1.dns.umich.com.
Records on Selected Date

35

Historical checks stored for this nameserver on selected date

Average Latency

456 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 11:16

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.12.80.214

Most recently resolved hosting IP on selected date

Successful Responses

35

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 cffw1.dns.umich.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
35 2026-08-27 11:16 639234253963286387
93 ms 192.12.80.214
34 2026-08-27 10:59 639234243654907465
615 ms 192.12.80.214
33 2026-08-27 10:42 639234233269654413
177 ms 192.12.80.214
32 2026-08-27 10:25 639234222943951923
355 ms 192.12.80.214
31 2026-08-27 10:07 639234212558002823
701 ms 192.12.80.214
30 2026-08-27 09:50 639234202117531850
360 ms 192.12.80.214
29 2026-08-27 09:33 639234191649612722
860 ms 192.12.80.214
28 2026-08-27 09:15 639234181105879568
504 ms 192.12.80.214
27 2026-08-27 08:58 639234170713214496
685 ms 192.12.80.214
26 2026-08-27 08:40 639234160341037652
91 ms 192.12.80.214
25 2026-08-27 08:23 639234149799404224
638 ms 192.12.80.214
24 2026-08-27 08:05 639234139553286469
578 ms 192.12.80.214
23 2026-08-27 07:12 639234107183588293
368 ms 192.12.80.214
22 2026-08-27 06:55 639234096905435724
1004 ms 192.12.80.214
21 2026-08-27 06:37 639234086579410775
5 ms 192.12.80.214
20 2026-08-27 06:20 639234076291157956
339 ms 192.12.80.214
19 2026-08-27 06:03 639234065981939454
415 ms 192.12.80.214
18 2026-08-27 05:46 639234055548642997
678 ms 192.12.80.214
17 2026-08-27 05:29 639234045267979603
90 ms 192.12.80.214
16 2026-08-27 05:11 639234034999717463
88 ms 192.12.80.214
15 2026-08-27 04:54 639234024739225358
666 ms 192.12.80.214
14 2026-08-27 04:37 639234014311170162
516 ms 192.12.80.214
13 2026-08-27 04:20 639234003806017640
757 ms 192.12.80.214
12 2026-08-27 04:02 639233993356203030
334 ms 192.12.80.214
11 2026-08-27 03:09 639233961301716608
614 ms 192.12.80.214
10 2026-08-27 02:51 639233950834200647
593 ms 192.12.80.214
9 2026-08-27 02:34 639233940431849026
432 ms 192.12.80.214
8 2026-08-27 02:17 639233930110596398
698 ms 192.12.80.214
7 2026-08-27 02:00 639233919705434540
352 ms 192.12.80.214
6 2026-08-27 01:42 639233909452807845
556 ms 192.12.80.214
5 2026-08-27 01:25 639233899096420820
666 ms 192.12.80.214
4 2026-08-27 01:08 639233888707824939
90 ms 192.12.80.214
3 2026-08-27 00:51 639233878461203802
660 ms 192.12.80.214
2 2026-08-27 00:33 639233868060868209
179 ms 192.12.80.214
1 2026-08-27 00:16 639233857450922991
220 ms 192.12.80.214