104.171.28.3
104.171.28.3 is an IPv4 address operated by Dot Holding, Inc. (AS7029), geolocated to New York, United States. Its reverse DNS name is prd-bd-7R7NT6.fastemailcleaner.com. As of October 8, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Dot Holding, Inc. |
| ASN | AS7029 |
| Network Name | DOT-NETWORK |
| CIDR Block | 104.171.16.0/20 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | prd-bd-7R7NT6.fastemailcleaner.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | prd-bd-7R7NT6.fastemailcleaner.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 2/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7029 |
| Network Prefix | 104.171.28.0/22 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 25% | 1 | 1 |
| geolocation | 35% | 2 | 2 |
| Overall | 24% | 7 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-18 11:33:30 UTC |
| Last Seen | 2026-10-10 10:25:00 UTC |
| Profile Built | 2026-10-08 09:14:11 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 104.171.28.3
Who owns the IP address 104.171.28.3?
104.171.28.3 is registered to Dot Holding, Inc.. The address falls within the 104.171.16.0/20 network block. Registration is held at ARIN.
Where is 104.171.28.3 located?
Geolocation data places 104.171.28.3 in New York, LA, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 104.171.28.3 malicious or safe?
104.171.28.3 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 104.171.28.3?
The reverse DNS (PTR) record for 104.171.28.3 is prd-bd-7R7NT6.fastemailcleaner.com. This hostname is forward-confirmed, meaning it resolves back to the same address.