Check-Host.cc
Domain

4geeks.com

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

Run a live full scan of 4geeks.com

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
11
A/AAAA targets
Subdomains
20
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
167.172.1.7, 216.150.1.193, 216.150.16.65, 34.111.179.208
AAAA
MX
1 aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
ns1.vercel-dns.com, ns2.vercel-dns.com
TXT
brevo-code:941414d541ded264de9b66a01b0aced1, facebook-domain-verification=mh4wy45g32seti3505iu9oepe3ne3m, google-site-verification=cgTM1Hnb3N_qO6fm23oyZNLLEhYwcurEjULC0TcZh7w, replit-verify=5ed1baef-8998-4403-a9c6-ae5406370724
CNAME
CAA
0 issue "digicert.com", 0 issue "letsencrypt.org", 0 issue "pki.goog", 0 issue "sectigo.com"

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
4geeks.com 2026-08-23 22:39:50.311
mcp.4geeks.com 2026-08-27 03:51:50.768
ask2.4geeks.com 2026-08-21 05:41:31.526
business.4geeks.com 2026-08-23 22:39:50.311
academy.4geeks.com 2026-08-28 19:23:04.503
agenda.4geeks.com 2026-08-30 18:54:50.821
cdn.4geeks.com 2026-08-21 05:41:31.526
syllabus.4geeks.com 2026-08-21 05:41:31.526
www.4geeks.com 2026-08-23 22:39:50.311
ai.4geeks.com DNS pending
chat.4geeks.com DNS pending
podcast.4geeks.com DNS pending
s.4geeks.com DNS pending

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.

6028d1f83b6713ac… google · xenon2026h2
Subject: 4geeks.com
Issuer: YE1
SANs: 4geeks.com, business.4geeks.com, fl.4geeksacademy.com, www.4geeks.com
Valid: 2026-08-21 16:33:34 → 2026-11-19 16:33:33
b029fa88cb3e0799… cloudflare · nimbus2026
Subject: 4geeks.com
Issuer: YE2
SANs: 4geeks.com
Valid: 2026-08-21 16:25:36 → 2026-11-19 16:25:35
e8bfc50c6fd9237d… google · xenon2026h2
Subject: 4geeks.com
Issuer: YE2
SANs: 4geeks.com
Valid: 2026-08-21 16:25:36 → 2026-11-19 16:25:35
8fda9139ca28b512… google · xenon2026h2
Subject: 4geeks.com
Issuer: YE2
SANs: 4geeks.com, www.4geeks.com
Valid: 2026-08-21 15:42:55 → 2026-11-19 15:42:54

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 216.150.16.65 2026-06-21 05:01:31.142 2026-06-21 05:01:31.142
CAA 0 issue "sectigo.com" 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
NS ns1.vercel-dns.com 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
TXT facebook-domain-verification=mh4wy45g32seti3505iu9oepe3ne3m 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
CAA 0 issue "pki.goog" 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
MX 5 alt2.aspmx.l.google.com 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
MX 10 alt4.aspmx.l.google.com 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
MX 1 aspmx.l.google.com 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
TXT brevo-code:941414d541ded264de9b66a01b0aced1 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
MX 5 alt1.aspmx.l.google.com 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
A 216.150.1.193 2026-06-21 05:01:31.142 2026-06-21 05:01:31.142
MX 10 alt3.aspmx.l.google.com 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
NS ns2.vercel-dns.com 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
CAA 0 issue "letsencrypt.org" 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
TXT google-site-verification=cgTM1Hnb3N_qO6fm23oyZNLLEhYwcurEjULC0TcZh7w 2026-06-21 05:01:31.142 2026-08-23 22:39:50.311
A 34.111.179.208 2026-08-21 05:41:31.526 2026-08-21 05:41:31.526
TXT replit-verify=5ed1baef-8998-4403-a9c6-ae5406370724 2026-08-21 05:41:31.526 2026-08-21 05:41:31.526
CAA 0 issue "digicert.com" 2026-08-21 05:41:31.526 2026-08-23 22:39:50.311
A 167.172.1.7 2026-08-23 20:42:50.333 2026-08-23 22:39:50.311