Check-Host.cc
Domain

4ones.com

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

Run a live full scan of 4ones.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
2
A/AAAA targets
Subdomains
5
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
AAAA
MX
10 4ones-com.mail.protection.outlook.com
NS
ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info
TXT
MS=ms98638818, atlassian-domain-verification=QTRxbxx11Iiw7CiGZ8PJnNbTP38SUks5lVRQJxhm7jds2W2suuVSksOLcwdNIRL5, google-site-verification=RWxlV4-_I1o8kRwOcjdbyAZ3atM1TwcEXTwHMHVrLDw, ms-domain-verification=10ffc596-120e-4268-a420-58aa28f21a99, v=spf1 include:spf.protection.outlook.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.

Subdomain Resolves to Last seen
chat-internal.4ones.com 2026-08-21 05:43:03.927
csr.4ones.com 2026-08-27 05:35:23.988
qa-chat-internal.4ones.com 2026-08-21 05:43:03.927
4ones.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

Subject: *.4ones.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.4ones.com, 4ones.com

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.

b219823fa7031d6e… google · argon2026h2
Subject: *.4ones.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.4ones.com, 4ones.com
Valid: 2025-08-04 00:00:00 → 2026-09-03 23:59:59
3726b492dad9084f… google · argon2026h2
Subject: *.4ones.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.4ones.com, 4ones.com
Valid: 2025-08-04 00:00:00 → 2026-09-03 23:59:59
b219823fa7031d6e… google · xenon2026h2
Subject: *.4ones.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.4ones.com, 4ones.com
Valid: 2025-08-04 00:00:00 → 2026-09-03 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
TXT v=spf1 include:spf.protection.outlook.com -all 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
NS ns2-09.azure-dns.net 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
TXT MS=ms98638818 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
NS ns4-09.azure-dns.info 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
TXT ms-domain-verification=10ffc596-120e-4268-a420-58aa28f21a99 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
MX 10 4ones-com.mail.protection.outlook.com 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
TXT google-site-verification=RWxlV4-_I1o8kRwOcjdbyAZ3atM1TwcEXTwHMHVrLDw 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
NS ns3-09.azure-dns.org 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
TXT atlassian-domain-verification=QTRxbxx11Iiw7CiGZ8PJnNbTP38SUks5lVRQJxhm7jds2W2suuVSksOLcwdNIRL5 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588
NS ns1-09.azure-dns.com 2026-06-22 22:26:39.588 2026-06-22 22:26:39.588