Check-Host.cc

IP Address IPv4

104.248.151.172

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of 104.248.151.172

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
ASN
AS14061
DigitalOcean
Country
SG
Singapore
Reverse DNS
PTR
Open Ports
3
Last scan

Autonomous System

ASN
AS Name
DigitalOcean
AS Type
RIR
ARIN
Allocated
2012-09-25
Allocation status
Allocated

Geolocation

Country
SG · Singapore
Continent
Asia
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
22 tcp ssh 2026-06-16 01:03:53.000
80 tcp http nginx/1.18.0 (Ubuntu) 2026-06-15 21:29:40.000
443 tcp https nginx/1.18.0 (Ubuntu) 2026-07-24 16:34:33.000

TLS Certificates

Port 443 21d7ab96a0bf…
Subject: rafaeljonathan.com
Issuer: YR2
SANs: rafaeljonathan.com, www.rafaeljonathan.com
Valid 2026-06-24 22:48:47 → 2026-09-22 22:48:46

Tech Stack

Wappalyzer fingerprinting pending

HTTP-body analysis identifies web frameworks, CMS platforms, analytics, JS libraries and server-side languages from this host.

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-leak candidates for this IP

When this IP serves a TLS cert for a domain that fronts behind a CDN, that domain surfaces here as an origin-leak candidate with a confidence score.

Hosted Domains

2 domains resolve (A-record) to this IP.

Multi-Vantage Check

Reachability accrued passively from real user-triggered checks across our 65+ probe nodes. Run a live check to add fresh data.

ICMP responsive This IP replied to our global ICMP sweep — last confirmed 2026-08-03.

No accumulated reachability data yet

Reachability accrues from real user-triggered checks. Trigger a Ping or HTTP check from our 65+ probe nodes to contribute the first data point.

Threat Intelligence

No threat-intel matches

This IP doesn't appear in any of the feeds we mirror (Tor exits, FireHOL Level 1-3, Spamhaus DROP/EDROP, URLhaus, OpenPhish). Absence here doesn't prove the IP is clean — it just means none of our public-feed sources flag it.

Co-Hosted Domains

Domains this host references in its HTML AND whose DNS A/AAAA record resolves back to this IP — i.e. actually hosted here.

rafaeljonathan.com DNS-confirmed

External References

Domains the body links to whose DNS does NOT resolve to this IP — usually CDN assets, embeds, or third-party services. Boilerplate (Google Fonts, jsDelivr, w3.org…) is already filtered.

coursera.org href · ×8
devpost.com href · ×4
github.com href · ×4
suryanesia.com href · ×2
importpartner.id href · ×2
datasaur.ai href · ×2

History

First observed
2026-06-15 21:29
Last observed
2026-07-24 16:34
Scan observations
6

The full change-log (ASN moves, cert rotations, port-state diffs) accumulates as our archives grow.