Check-Host.cc

Domain

js.design

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

Run a live full scan of js.design

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
33
A/AAAA targets
Subdomains
18
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
5
in our scans

DNS Records

A
8.140.101.138
AAAA
MX
10 m1.feishu.cn
NS
vip3.alidns.com, vip4.alidns.com
TXT
v=spf1 include:spf1.dm.aliyun.com include:_netblocks.m.feishu.cn ~all, verification-code-site-App_feishu=LXfCb8aijJCywHBHNma3
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

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

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.

02f3e73a7e054817… digicert · wyvern2026h2
Subject: *.js.design
Issuer: Encryption Everywhere DV TLS CA - G2
SANs: *.js.design, js.design
Valid: 2025-07-14 00:00:00 → 2026-08-13 23:59:59
02f3e73a7e054817… cloudflare · nimbus2026
Subject: *.js.design
Issuer: Encryption Everywhere DV TLS CA - G2
SANs: *.js.design, js.design
Valid: 2025-07-14 00:00:00 → 2026-08-13 23:59:59
e0f0762e6d37ad97… google · argon2026h2
Subject: *.js.design
Issuer: Encryption Everywhere DV TLS CA - G2
SANs: *.js.design, js.design
Valid: 2025-07-14 00:00:00 → 2026-08-13 23:59:59

Threat Intelligence

Domain threat-intel pending

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

History

Domain timeline pending

Passive-DNS history accumulates as our forward-DNS crawler observes A/AAAA/MX/NS/TXT records over time.