Check-Host.cc

Domain

code.jiyu.dev

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

Run a live full scan of code.jiyu.dev

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

DNS Records

A
AAAA
MX
NS
TXT
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

Subject: cdrom.tokyo
Issuer: R12
SANs: blog.jiyu.dev, cdrom.tokyo, code.jiyu.dev, fedi.jiyu.dev, invoice.jiyu.dev, jiyu.dev, kanboard.jiyu.dev, meet.jiyu.dev, minidisc.tokyo, nextcloud.jiyu.dev, owncast.cdrom.tokyo, pestpectief.jiyu.dev, www.cdrom.tokyo, www.jiyu.dev, www.minidisc.tokyo

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.

80ee194747d1b10f… cloudflare · nimbus2026
Subject: code.jiyu.dev
Issuer: R12
SANs: code.jiyu.dev
Valid: 2025-11-28 02:28:28 → 2026-02-26 02:28:27
939dfce3ecae9103… cloudflare · nimbus2026
Subject: code.jiyu.dev
Issuer: R12
SANs: code.jiyu.dev
Valid: 2025-11-28 02:28:28 → 2026-02-26 02:28:27
80ee194747d1b10f… sectigo · elephant2026h1
Subject: code.jiyu.dev
Issuer: R12
SANs: code.jiyu.dev
Valid: 2025-11-28 02:28:28 → 2026-02-26 02:28:27
54bb546c37517be0… cloudflare · nimbus2026
Subject: cdrom.tokyo
Issuer: R12
SANs: blog.jiyu.dev, cdrom.tokyo, code.jiyu.dev, fedi.jiyu.dev, invoice.jiyu.dev, jiyu.dev, kanboard.jiyu.dev, meet.jiyu.dev, minidisc.tokyo, nextcloud.jiyu.dev, owncast.cdrom.tokyo, pestpectief.jiyu.dev, www.cdrom.tokyo, www.jiyu.dev, www.minidisc.tokyo
Valid: 2025-11-10 10:59:07 → 2026-02-08 10:59:06
54bb546c37517be0… sectigo · elephant2026h1
Subject: cdrom.tokyo
Issuer: R12
SANs: blog.jiyu.dev, cdrom.tokyo, code.jiyu.dev, fedi.jiyu.dev, invoice.jiyu.dev, jiyu.dev, kanboard.jiyu.dev, meet.jiyu.dev, minidisc.tokyo, nextcloud.jiyu.dev, owncast.cdrom.tokyo, pestpectief.jiyu.dev, www.cdrom.tokyo, www.jiyu.dev, www.minidisc.tokyo
Valid: 2025-11-10 10:59:07 → 2026-02-08 10:59:06

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.