proff.systems
HOSTPublic feed matches
No public feed evidence matches this value.
Passive DNS relationships
12 observations
Observed relationships do not establish maliciousness.
| Hostname | IP | Last seen | Hits | Provenance |
|---|---|---|---|---|
| proff.systems | 51.21.51.87 | Oct 2026First seen: Oct 2026 | 2 | CTIDAO DNS |
| proff.systems | 16.170.192.85 | Oct 2026First seen: Oct 2026 | 2 | CTIDAO DNS |
| proff.systems | 13.62.124.79 | Oct 2026First seen: Oct 2026 | 2 | CTIDAO DNS |
| proff.systems | 16.192.0.57 | Mar 2026First seen: Mar 2026 | 1 | Provider pDNS |
| proff.systems | 13.63.61.38 | Mar 2026First seen: Mar 2026 | 1 | Provider pDNS |
| proff.systems | 13.49.156.193 | Mar 2026First seen: Mar 2026 | 1 | Provider pDNS |
| proff.systems | 16.170.21.155 | Mar 2026First seen: Mar 2026 | 1 | Provider pDNS |
| proff.systems | 13.50.216.154 | Mar 2026First seen: Mar 2026 | 1 | Provider pDNS |
| proff.systems | 13.63.6.238 | Mar 2026First seen: Mar 2026 | 1 | Provider pDNS |
Current DNS
Active DNS lookup; this is separate from passive DNS history.
Checked 10/13/2026, 11:50:43 AM
Popularity
Daily link and hosting prominence from top1m.org; not a security verdict or traffic estimate.
Not present in the current Top 1M lists.
Account research
Take this investigation further
9 public pDNS relationships are available. Account research adds exact timing, focused pivots, and matching paid-feed intelligence. Eligible logged-in entity visits cost 1 CTIDAO, including pivots, refreshes and returns.