Check-Host.cc

Domain

4strats.com

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

Run a live full scan of 4strats.com

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

DNS Records

A
162.241.203.40, 18.239.83.107, 18.239.83.123, 18.239.83.37, 18.239.83.73
AAAA
MX
0 4strats-com.mail.protection.outlook.com
NS
ns-1108.awsdns-10.org, ns-1564.awsdns-03.co.uk, ns-17.awsdns-02.com, ns-994.awsdns-60.net, ns1.dominios.uol.com.br, ns2.dominios.uol.com.br, ns3.dominios.uol.com.br
TXT
MS=ms81578215, v=spf1 include:spf.protection.outlook.com include:_spf.smtpexpress.com.br -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.

Subdomain Resolves to Last seen
4strats.com 2026-07-26 03:22:47.889
www.4strats.com 2026-07-26 03:22:47.889

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.

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
TXT v=spf1 include:spf.protection.outlook.com include:_spf.smtpexpress.com.br -all 2026-06-15 16:19:43.081 2026-06-15 16:19:43.081
MX 0 4strats-com.mail.protection.outlook.com 2026-06-15 16:19:43.081 2026-07-26 03:22:47.889
A 162.241.203.40 2026-06-15 16:19:43.081 2026-06-15 16:19:43.081
NS ns2.dominios.uol.com.br 2026-06-15 16:19:43.081 2026-06-15 16:19:43.081
NS ns1.dominios.uol.com.br 2026-06-15 16:19:43.081 2026-06-15 16:19:43.081
NS ns3.dominios.uol.com.br 2026-06-15 16:19:43.081 2026-06-15 16:19:43.081
TXT MS=ms81578215 2026-06-15 16:19:43.081 2026-06-15 16:19:43.081
NS ns-17.awsdns-02.com 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889
NS ns-1108.awsdns-10.org 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889
A 18.239.83.73 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889
A 18.239.83.123 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889
NS ns-1564.awsdns-03.co.uk 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889
A 18.239.83.107 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889
NS ns-994.awsdns-60.net 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889
A 18.239.83.37 2026-07-26 03:22:47.889 2026-07-26 03:22:47.889