Check-Host.cc

Domain

0focus.app

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

Run a live full scan of 0focus.app

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

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Hosting IPs
12
A/AAAA targets
Subdomains
1
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
8
in our scans

DNS Records

A
52.222.136.102, 52.222.136.122, 52.222.136.13, 52.222.136.62
AAAA
2600:9000:20b4:2a00:1c:865d:ebc0:93a1, 2600:9000:20b4:5e00:1c:865d:ebc0:93a1, 2600:9000:20b4:9e00:1c:865d:ebc0:93a1, 2600:9000:20b4:e800:1c:865d:ebc0:93a1, 2600:9000:20b4:ea00:1c:865d:ebc0:93a1, 2600:9000:20b4:ec00:1c:865d:ebc0:93a1, 2600:9000:20b4:ee00:1c:865d:ebc0:93a1, 2600:9000:20b4:f000:1c:865d:ebc0:93a1
MX
10 eforward1.registrar-servers.com, 10 eforward2.registrar-servers.com, 10 eforward3.registrar-servers.com, 15 eforward4.registrar-servers.com, 20 eforward5.registrar-servers.com
NS
clark.ns.cloudflare.com, zara.ns.cloudflare.com
TXT
google-site-verification=TbPyK4KkElFz0cqdTJwtXjpO4kEMh-4QdGy2jTKc4YY, v=spf1 include:spf.efwd.registrar-servers.com ~all
CNAME
CAA

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

IPs Citing This Domain

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

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-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

a3f6c418f9c21cc7… google · argon2026h2
Subject: *.0focus.app
Issuer: Amazon RSA 2048 M04
SANs: *.0focus.app, 0focus.app
Valid: 2025-11-01 00:00:00 → 2026-11-30 23:59:59
da3d2a4a4a16238c… google · argon2026h2
Subject: *.0focus.app
Issuer: Amazon RSA 2048 M04
SANs: *.0focus.app, 0focus.app
Valid: 2025-11-01 00:00:00 → 2026-11-30 23:59:59
a3f6c418f9c21cc7… cloudflare · nimbus2026
Subject: *.0focus.app
Issuer: Amazon RSA 2048 M04
SANs: *.0focus.app, 0focus.app
Valid: 2025-11-01 00:00:00 → 2026-11-30 23:59:59
da3d2a4a4a16238c… cloudflare · nimbus2026
Subject: *.0focus.app
Issuer: Amazon RSA 2048 M04
SANs: *.0focus.app, 0focus.app
Valid: 2025-11-01 00:00:00 → 2026-11-30 23:59:59

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
A 52.222.136.62 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
A 52.222.136.13 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:ee00:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
MX 15 eforward4.registrar-servers.com 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
A 52.222.136.102 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:ec00:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:9e00:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
MX 20 eforward5.registrar-servers.com 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
NS clark.ns.cloudflare.com 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
MX 10 eforward1.registrar-servers.com 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:ea00:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
MX 10 eforward2.registrar-servers.com 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
MX 10 eforward3.registrar-servers.com 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:2a00:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:5e00:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:f000:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
A 52.222.136.122 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
NS zara.ns.cloudflare.com 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
AAAA 2600:9000:20b4:e800:1c:865d:ebc0:93a1 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
TXT google-site-verification=TbPyK4KkElFz0cqdTJwtXjpO4kEMh-4QdGy2jTKc4YY 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082
TXT v=spf1 include:spf.efwd.registrar-servers.com ~all 2026-06-15 09:04:06.082 2026-06-15 09:04:06.082