DNS response history for pdns87.ultradns.com

pdns87.ultradns.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 2026-08-25. For this date, NameServerHistory found 18 DNS check records, 18 successful responses, 0 failed responses, and 144 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 pdns87.ultradns.com.
Records on Selected Date

18

Historical checks stored for this nameserver on selected date

Average Latency

144 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 06:04

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.87

Most recently resolved hosting IP on selected date

Successful Responses

18

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 pdns87.ultradns.com

Showing DNS history for 2026-08-25 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
18 2026-08-25 06:04 639232346196373643
63 ms 156.154.64.87
17 2026-08-25 05:47 639232336112370741
29 ms 156.154.64.87
16 2026-08-25 05:30 639232326146508970
15 ms 156.154.64.87
15 2026-08-25 05:14 639232316189381720
39 ms 156.154.64.87
14 2026-08-25 04:57 639232306217998913
18 ms 156.154.64.87
13 2026-08-25 04:40 639232296255744174
40 ms 156.154.64.87
12 2026-08-25 04:23 639232286095760789
47 ms 156.154.64.87
11 2026-08-25 04:07 639232276086186273
36 ms 156.154.64.87
10 2026-08-25 03:50 639232265900986425
56 ms 156.154.64.87
9 2026-08-25 03:33 639232255723518075
17 ms 156.154.64.87
8 2026-08-25 03:16 639232245484452890
33 ms 156.154.64.87
7 2026-08-25 02:59 639232235157175331
99 ms 156.154.64.87
6 2026-08-25 02:05 639232203197189095
2008 ms 156.154.64.87
5 2026-08-25 01:48 639232192844564298
10 ms 156.154.64.87
4 2026-08-25 01:31 639232182496008942
22 ms 156.154.64.87
3 2026-08-25 01:14 639232172197053132
37 ms 156.154.64.87
2 2026-08-25 00:20 639232140250307418
12 ms 156.154.64.87
1 2026-08-25 00:03 639232129927860324
10 ms 156.154.64.87