1.0.0.1
⭐ Cloudflare DNS (Secondary)
Cloudflare's secondary public DNS resolver — operated by Cloudflare Inc.
🏢 Ownership & Registration
| Organization | APNICRANDNET Infrastructure Contact |
| ASN | AS13335 |
| Network Name | APNIC-LABS |
| CIDR Block | 1.0.0.0/24 |
| RIR | APNIC |
| Country | AU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | one.one.one.one |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | one.one.one.one |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 0/3 domains |
| DMARC | 0/3 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 3 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 8080 | http-alt | tcp | — |
| 8443 | https-alt | tcp | — |
| Closed Ports | 22, 25, 3389 (4 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | cloudflare-dns.com*.cloudflare-dns.comone.one.one.one |
| Valid From | 2025-12-31T19:20:01+00:00 |
| Valid Until | 2026-12-21T19:20:01+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha384ECDSA |
| Validity Period | 355 days |
🛡️ Public Network Snapshot
| Origin ASN | AS13335 |
| Network Prefix | 1.0.0.0/24 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 20% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 17% | 2 | 3 |
| reputation | 14% | 1 | 3 |
| geolocation | 12% | 2 | 2 |
| Overall | 15% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-13 23:26:45 UTC |
| Last Seen | 2026-09-27 21:53:49 UTC |
| Profile Built | 2026-09-27 22:07:44 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 30 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 1.0.0.1
Who owns the IP address 1.0.0.1?
1.0.0.1 is registered to APNICRANDNET Infrastructure Contact. The address falls within the 1.0.0.0/24 network block. Registration is held at APNIC.
Where is 1.0.0.1 located?
Geolocation data places 1.0.0.1 in San Francisco, CA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 1.0.0.1 malicious or safe?
1.0.0.1 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 1.0.0.1?
The reverse DNS (PTR) record for 1.0.0.1 is one.one.one.one. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 1.0.0.1?
Responsive ports observed on 1.0.0.1 include 80, 443, 8080, 8443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.