Check-Host.cc

IP Address IPv4

129.227.133.7

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

Run a live full scan of 129.227.133.7

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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ASN
AS21859
Zenlayer Edge Cloud Network - AS21859
Country
HK
Hong Kong
Reverse DNS
mail.joyy.com
PTR
Open Ports
4
Last scan

Autonomous System

ASN
AS Name
Zenlayer Edge Cloud Network - AS21859
AS Type
RIR
ARIN
Allocated
2013-04-02
Allocation status
Allocated

Geolocation

Country
HK · Hong Kong
Continent
Asia
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-06-21 06:59:09

Network

RPKI

Open Ports

Port Proto Service Server Last seen
80 tcp http cmproxy 2026-05-26 18:04:03.000
143 tcp imap 2026-05-26 20:47:30.000
443 tcp https cmproxy 2026-06-21 06:54:08.000
465 tcp smtps 2026-06-17 14:42:37.000

TLS Certificates

Port 443 6c7e45adff24…
Subject: mail.joyy.com
Issuer: GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1
SANs: hk.mail.joyy.com, internal.mail.joyy.com, mail.bluefinhk.com, mail.chinaduo.com, mail.dera.ltd, mail.ikangbazi.com, mail.joyy.com, mail.joyyinc.com, mail.koiglobalinvt.com, mail.oneclub.vn, mail.onewarehouse.net, mail.vlight.sg, mail.yuechengads.com, mgcn.joyy.com, mgsg.joyy.com, mx.joyy.com, rmi.mail.joyy.com, rmi.mail.joyyinc.com, sg.mail.joyy.com
Valid 2026-04-27 00:00:00 → 2026-11-11 23:59:59

Tech Stack

Wappalyzer fingerprinting pending

HTTP-body analysis identifies web frameworks, CMS platforms, analytics, JS libraries and server-side languages from this host.

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-leak candidates for this IP

When this IP serves a TLS cert for a domain that fronts behind a CDN, that domain surfaces here as an origin-leak candidate with a confidence score.

Multi-Vantage Check

Reachability accrued passively from real user-triggered checks across our 65+ probe nodes. Run a live check to add fresh data.

ICMP responsive This IP replied to our global ICMP sweep — last confirmed 2026-08-05.

No accumulated reachability data yet

Reachability accrues from real user-triggered checks. Trigger a Ping or HTTP check from our 65+ probe nodes to contribute the first data point.

Web Pages

Port Page title Status Flags
443 Joyy邮件系统 200
80 Joyy邮件系统 200

Threat Intelligence

No threat-intel matches

This IP doesn't appear in any of the feeds we mirror (Tor exits, FireHOL Level 1-3, Spamhaus DROP/EDROP, URLhaus, OpenPhish). Absence here doesn't prove the IP is clean — it just means none of our public-feed sources flag it.

Co-Hosted Domains

Domains this host references in its HTML AND whose DNS A/AAAA record resolves back to this IP — i.e. actually hosted here.

mail.joyyinc.com DNS-confirmed

External References

Domains the body links to whose DNS does NOT resolve to this IP — usually CDN assets, embeds, or third-party services. Boilerplate (Google Fonts, jsDelivr, w3.org…) is already filtered.

www.coremail.cn href · ×6
www.joyy.com href · ×4
coremail.cn href · ×4
www.icoremail.cn href · ×2
www.corpease.net href · ×2
web.lunkr.cn href · ×2

History

First observed
2026-05-26 18:03
Last observed
2026-06-21 06:54
Scan observations
8

The full change-log (ASN moves, cert rotations, port-state diffs) accumulates as our archives grow.