IP Intelligence Briefing: 81.17.99.98
*Last Updated: 2026-06-14*
---
**1. Risk Profile**
- Overall Risk Score: Low (25/100)
- Provider Score: 0 (No known malicious provider)
- Authority Score: 0 (Non-authoritative IP)
- Stability: Stable (no recent route changes)
- Threat Indicators: No malware, phishing, or exploit activity detected.
---
**2. Ownership & Geolocation**
- ASN: 51167 (Contabo)
- Organization: Johannes Selg (Private Individual)
- Location: Germany (DE), Grand Est Region, Lauterbourg (Lat: 51.17, Lon: 10.45)
- ISP: Contabo (Cloud Hosting Provider)
---
**3. Network Role**
- Service: Web Server (HTTP/HTTPS, SSH)
- Bare Metal: No (Cloud-Hosted)
- DNS:
- PTR: `vmi2856860.contaboserver.net`
- SPF: Valid (`v=spf1 include:no-ip.com -all`)
- No DMARC record detected.
- TLS:
- Certificate Issuer: Letβs Encrypt
- Subject: `marlandn8n.ddns.net`
- No HSTS or CSP headers detected.
---
**4. Threat Observations (Last 30 Days)**
- No Malicious Activity: Zero malware, phishing, or exploit indicators.
- DNS Resolutions:
- `contaboserver.net` (SPF-only, no DMARC)
- `ddns.net` (SPF record, no abuse detected)
- Network Stability:
- Stable BGP routes (no recent fluctuations).
- Low RTT (107β113ms) consistent with Germany.
---
**5. Relationships & Neighbors**
- DNS Associations:
- Linked to `vmi2856860.contaboserver.net` (Contabo instance).
- Network:
- Subnet: `81.17.99.98/24` (no abusive neighbors detected).
- No Correlated Threats: No linked malicious IPs or campaigns.
---
**6. Recommendations**
- No Immediate Action Required: Low risk, no malicious indicators.
- Monitor DNS: Ensure SPF records are maintained and consider adding DMARC for email security.
- Verify Hosting Provider: Confirm Contaboβs compliance with security standards for hosted assets.
---
*Generated by IPDebrief. For real-time updates, recheck with current data.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Johannes Selg |
| ASN | AS51167 |
| Network Name | β |
| CIDR Block | 81.17.96.0/22 |
| RIR | RIPE |
| Country | β |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | vmi2856860.contaboserver.net |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | vmi2856860.contaboserver.net |
π DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | 1/2 domains |
| DMARC | 1/2 domains |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
| Domains Checked | 2 domains |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | β |
| 443 | https | tcp | β |
| 22 | ssh | tcp | |
| Closed Ports | 25, 3389, 8080, 8443 (3 open / 7 scanned) | ||
| Server | nginx/1.18.0 (Ubuntu) |
| HTTP Title | β |
| SSH Version | SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.15 |
π TLS Certificate
| SANs | api.das-congo.tech |
| Valid From | 2026-06-08T10:10:48+00:00 |
| Valid Until | 2026-09-06T10:10:47+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 89 days |
| Serial Number | 058B0CDF0A3C85B65E0AD266573D6ED2965F |
| Thumbprint | C373C7C0E95E601C164D213CB8A1F78D1C128F07 |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 26% | 2 | 4 |
| routing | 20% | 2 | 3 |
| services | 28% | 2 | 3 |
| ownership | 22% | 3 | 4 |
| reputation | 24% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 26% | 12 | 20 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-08 23:18:48 UTC |
| Last Seen | 2026-06-27 14:46:45 UTC |
| Profile Built | 2026-06-28 08:51:41 UTC |
| Data Freshness | Live |
| Signal Types | 28 |
| Total Observations | 34 |
Full dossier details are available via our API.