5.9.212.41📋 Copy

# INTELLIGENCE BRIEFING: 5.9.212.41/32

Classification: Moderate Risk | Last Updated: 2026-06-19

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## EXECUTIVE SUMMARY

IP 5.9.212.41 is a Hetzner cloud compute infrastructure address assigned to Falkenstein, Saxony, Germany. The address exhibits moderate risk characteristics (score: 55) with historical blacklist associations but currently presents no active threat indicators. Infrastructure is firewalled with no open ports detected.

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## INFRASTRUCTURE PROFILE

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## THREAT ASSESSMENT

Current Risk Level: Moderate (55/100)

Threat Indicators:

• DNSBL Listed: 3 of 8 lists
• Historical Blacklist Severity: High
• Active Threat Feeds: None
• Known Campaign Associations: None
• Tor Exit/Proxy/Spam Source: No

Control Plane:

• Routing: Stable (isRouteStable: true)
• RPKI State: Valid
• Route Changes (30d): 0
• DNSSEC: Valid

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## DNS & NETWORK BEHAVIOR

DNS Records:

• SPF: `v=spf1 ip4:5.9.94.56 +a +mx +ip4:107.161.178.194 include:server35.dominiok.net ~all`
• DMARC: `v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0`

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## OBSERVATION HISTORY

Total Observations: 31

Recent Activity (2026-06-19):

• DNS associations established with appartementivacanzececina.it
• Blacklist listings detected across 8 categories
• Maximum severity: High (2 listings)
• Forward resolution confirmed

Temporal Indicators:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Persistently Malicious: No

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## RELATIONSHIP GRAPH

Key Associations:

• DNS: static.41.212.9.5.clients.your-server.de
• Network: HOS-141380
• Related Hostnames: appartementivacanzececina.it (vacation rental domain)

Correlated Entities: 42 relationships identified

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## NEIGHBORHOOD ANALYSIS

Subnet: 5.9.212.41/24

Assessment: Subnet exhibits minimal abuse density. Single threat sibling detected.

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## RECOMMENDED ACTIONS

Firewall Rules:

```bash

# Block if active threat indicators emerge

iptables -A INPUT -s 5.9.212.41 -j DROP

```

Monitoring Recommendations:

• Monitor DNSBL status changes (currently 3/8 lists)
• Watch for new service port openings
• Track blacklist severity escalation
• Monitor for correlation with appartementivacanzececina.it

Risk Mitigation:

• Current risk level does not warrant immediate blocking
• Implement monitoring for blacklist additions
• Review email authentication records (SPF/DMARC in place)

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## ANALYST NOTES

This address represents standard Hetzner cloud infrastructure with historical blacklist associations. No active malicious services detected. The forward DNS resolution to appartementivacanzececina.it suggests legitimate hosting use case (Italian vacation rental property). Continue monitoring for DNSBL status changes and new threat indicators.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.