IPDebrief

104.42.191.43

IP Intelligence Dossier
Your IP: 216.73.217.135
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πŸ€– Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.

IP Intelligence Briefing: 104.42.191.43

Date: 2026-06-09

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**1. Core Profile**

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**2. Observation History**

- Minimal risk score (0.13) with no persistent malicious behavior.

- 18 observations over 30 days, with 1 DNSBL listing (likely false positive).

- No changes in geolocation, DNS, or network behavior.

- Stable infrastructure with no scans, enumeration, or WAF violations.

- No correlation with known campaigns or honeypot activity.

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**3. Relationships**

- Same network as Microsoft (MSFT) infrastructure.

- No subnets, hostnames, or certificates associated.

- IP is part of Microsoft’s Azure ecosystem; no external malicious connections.

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**4. Neighborhood Analysis**

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**5. Recommendations**

Conclusion: 104.42.191.43 is a legitimate Microsoft Azure IP with no malicious activity. No further action required.

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

🌍 Geolocation

CountryπŸ‡ΊπŸ‡Έ United States
RegionCA
CitySan Francisco
TimezoneAmerica/Los_Angeles
Latitude37.78
Longitude-122.42

🏒 Ownership & Registration

OrganizationMicrosoft Corporation
ASNAS8075
Network Nameβ€”
CIDR Blockβ€”
RIRARIN
Countryβ€”
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTR RecordNo PTR
Forward ConfirmedNo β€” PTR hostname does not resolve back to this IP (weak signal)

πŸ” DNS Hygiene

Hygiene Score20% (Poor)
SPFNot configured
DMARCNot configured
FCrDNSNot verified
DNSSECValid
CAANot configured

☁️ Network Classification

InfrastructureInfrastructure / Datacenter
Service PurposeWeb Server
Network TierHosting β€” Infrastructure provider without advanced routing
CloudHosting

πŸ”Œ Services & Open Ports

PortServiceProtocolBanner
80httptcpβ€”
443httpstcpβ€”
Closed Ports22, 25, 3389, 8080, 8443 (2 open / 7 scanned)
ServerMicrosoft-IIS/10.0
HTTP Titleβ€”

πŸ” TLS Certificate

An expired certificate for CN=*.mailaletter.com was found on this IP. This may indicate a previously hosted website, a decommissioned service, or stale infrastructure.
πŸ”’
CN=*.mailaletter.com
Issued by CN=Sectigo Public Server Authentication CA DV R36, O=Sectigo Limited, C=GB
Self-signed: No
SANs*.mailaletter.commailaletter.com
Valid From2025-06-03T00:00:00+00:00
Valid Until2026-06-03T23:59:59+00:00 (expired)
TLS ProtocolTls12
Cipher SuiteTLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
Signature Algorithmsha384RSA
Validity Period365 days
Serial Number128D6D98098FD9B31F0C6FDFE5641731
Thumbprint34B95B1B7F802EE167081E102013B83E96ABB502

🎯 Confidence Breakdown

Per-dimension confidence scores based on source diversity and data freshness

DimensionScoreSourcesObservations
threat
33%
24
routing
8%
11
services
30%
23
ownership
20%
23
reputation
28%
13
geolocation
33%
23
Overall25%1017
Coverage: 6/6 dimensions Β· Data sufficiency: sufficient
Data CoherenceConsistent (100%)
AttributionModerate (50%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid

πŸ“… Observation Timeline πŸ”„ Live

First Seen2026-05-20 17:46:32 UTC
Last Seen2026-06-28 12:04:58 UTC
Profile Built2026-06-29 06:09:07 UTC
Data FreshnessLive
Signal Types21
Total Observations25
πŸ” 21 signal types Β· 25 observations collected
This report is generated from 21+ independent intelligence signals including ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds, behavioral fingerprinting, and more.
Full dossier details are available via our API.
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ℹ️ About This Report

All data shown is publicly available network metadata β€” IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.