Check-Host.cc
Domain

4fsolution.ca

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

Run a live full scan of 4fsolution.ca

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
Hosting IPs
4
A/AAAA targets
Subdomains
1
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
104.21.75.130, 172.67.177.70
AAAA
2606:4700:3034::6815:4b82, 2606:4700:3035::ac43:b146
MX
10 mx.zohocloud.ca, 20 mx2.zohocloud.ca, 50 mx3.zohocloud.ca
NS
curt.ns.cloudflare.com, margaret.ns.cloudflare.com
TXT
v=spf1 include:zohocloud.ca ~all, zoho-verification=zb49285227.zmverify.zohocloud.ca
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.

Subdomain Resolves to Last seen
4fsolution.ca 2026-08-18 20:22:45.322

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.

f8e3dfd2d83448ba… digicert · wyvern2026h2
Subject: 4fsolution.ca
Issuer: WE1
SANs: 4fsolution.ca, *.4fsolution.ca
Valid: 2026-08-18 16:19:55 → 2026-11-16 16:38:16
8c73ce8694eb7638… google · xenon2026h2
Subject: 4fsolution.ca
Issuer: WE1
SANs: 4fsolution.ca, *.4fsolution.ca
Valid: 2026-08-18 16:16:44 → 2026-11-16 17:16:41
a7e33964de6f7669… google · xenon2026h2
Subject: 4fsolution.ca
Issuer: WE1
SANs: 4fsolution.ca, *.4fsolution.ca
Valid: 2026-08-18 16:16:44 → 2026-11-16 17:16:41
515dde77b1fce40b… google · xenon2026h2
Subject: 4fsolution.ca
Issuer: WR1
SANs: 4fsolution.ca, *.4fsolution.ca
Valid: 2026-08-18 16:16:35 → 2026-11-16 17:16:33

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
AAAA 2606:4700:3034::6815:4b82 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
TXT v=spf1 include:zohocloud.ca ~all 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
NS curt.ns.cloudflare.com 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
NS margaret.ns.cloudflare.com 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
MX 20 mx2.zohocloud.ca 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
TXT zoho-verification=zb49285227.zmverify.zohocloud.ca 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
A 172.67.177.70 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
MX 50 mx3.zohocloud.ca 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
MX 10 mx.zohocloud.ca 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
A 104.21.75.130 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322
AAAA 2606:4700:3035::ac43:b146 2026-08-18 20:19:45.293 2026-08-18 20:22:45.322