DNS response history for pdns73.ultradns.com

pdns73.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 20 DNS check records, 20 successful responses, 0 failed responses, and 172 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 pdns73.ultradns.com.
Records on Selected Date

20

Historical checks stored for this nameserver on selected date

Average Latency

172 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 07:19

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.73

Most recently resolved hosting IP on selected date

Successful Responses

20

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 pdns73.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
20 2026-08-25 07:19 639232388731528337
104 ms 156.154.64.73
19 2026-08-25 07:01 639232378288598612
23 ms 156.154.64.73
18 2026-08-25 06:08 639232346196373643
159 ms 156.154.64.73
17 2026-08-25 05:51 639232336112370741
2036 ms 156.154.64.73
16 2026-08-25 05:34 639232326146508970
209 ms 156.154.64.73
15 2026-08-25 05:18 639232316189381720
76 ms 156.154.64.73
14 2026-08-25 05:01 639232306217998913
49 ms 156.154.64.73
13 2026-08-25 04:45 639232296255744174
61 ms 156.154.64.73
12 2026-08-25 04:28 639232286095760789
48 ms 156.154.64.73
11 2026-08-25 04:11 639232276086186273
18 ms 156.154.64.73
10 2026-08-25 03:54 639232265900986425
53 ms 156.154.64.73
9 2026-08-25 03:37 639232255723518075
55 ms 156.154.64.73
8 2026-08-25 03:20 639232245484452890
11 ms 156.154.64.73
7 2026-08-25 03:03 639232235157175331
53 ms 156.154.64.73
6 2026-08-25 02:09 639232203197189095
108 ms 156.154.64.73
5 2026-08-25 01:52 639232192844564298
89 ms 156.154.64.73
4 2026-08-25 01:35 639232182496008942
73 ms 156.154.64.73
3 2026-08-25 01:18 639232172197053132
78 ms 156.154.64.73
2 2026-08-25 00:25 639232140250307418
76 ms 156.154.64.73
1 2026-08-25 00:07 639232129927860324
65 ms 156.154.64.73