Check-Host.cc

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Domain

help.yahoo.com

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

DNS Check HTTP Check Run Full Scan .com TLD

Run a live full scan of help.yahoo.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
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A/AAAA targets
Subdomains
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CT + scan + body
Record Types
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seen in DNS
Observed Certs
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in our scans

DNS Records

A
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AAAA
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MX
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NS
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TXT
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CNAME
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CAA
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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

34.215.245.228:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
52.39.101.5:443 ac5dc325c565…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.omoc.yahoo.com, *.trogiup.yahoo.com, help.yahoo.com
52.18.142.3:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
3.216.47.149:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
34.198.5.129:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
54.145.156.21:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
18.214.59.56:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
52.36.46.189:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
54.76.62.123:443 ac5dc325c565…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.omoc.yahoo.com, *.trogiup.yahoo.com, help.yahoo.com
63.35.55.213:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
32.186.10.61:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
99.80.54.172:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
47.130.60.72:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
3.215.7.122:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
32.198.246.183:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
34.203.135.82:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
54.165.24.253:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
54.224.65.168:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
176.34.236.48:443 ac5dc325c565…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.omoc.yahoo.com, *.trogiup.yahoo.com, help.yahoo.com
108.131.238.124:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
47.130.72.216:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
100.23.192.29:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
35.174.24.37:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
52.19.169.187:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
18.138.151.239:443 ac5dc325c565…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.omoc.yahoo.com, *.trogiup.yahoo.com, help.yahoo.com
34.252.9.231:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.com
32.199.97.177:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
52.17.171.103:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
100.30.89.205:443 7fb1077167c8…
Subject: stage.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.trogiup.yahoo.com, stage.help.yahoo.com
34.241.94.221:443 e53968fc2957…
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.help.yahoo.com, help.yahoo.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.

26af8f5e14f1ffdf… google · xenon2026h2
Subject: *.ycpi.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.ycpi.help.yahoo.com, help.yahoo.com, *.help.yahoo.com, *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.hilfe.yahoo.com, *.pomoc.yahoo.com, *.trogiup.yahoo.com
Valid: 2026-03-10 00:00:00 → 2026-09-02 23:59:59
7991a2f8a7c25c6b… google · xenon2026h2
Subject: *.ycpi.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.ycpi.help.yahoo.com, help.yahoo.com, *.help.yahoo.com, *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.hilfe.yahoo.com, *.pomoc.yahoo.com, *.trogiup.yahoo.com
Valid: 2026-03-10 00:00:00 → 2026-09-02 23:59:59
7f1cef95b5409c7a… google · xenon2026h2
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: help.yahoo.com, *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.help.yahoo.com, *.hilfe.yahoo.com, *.omoc.yahoo.com, *.trogiup.yahoo.com
Valid: 2026-03-10 00:00:00 → 2026-09-02 23:59:59
c72bb84086a2f748… google · xenon2026h2
Subject: *.ycpi.help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.ycpi.help.yahoo.com, help.yahoo.com, *.help.yahoo.com, *.aide.yahoo.com, *.aiuto.yahoo.com, *.ajuda.yahoo.com, *.ajutor.yahoo.com, *.ayuda.yahoo.com, *.bantuan.yahoo.com, *.hilfe.yahoo.com, *.pomoc.yahoo.com, *.trogiup.yahoo.com
Valid: 2026-03-10 00:00:00 → 2026-09-02 23:59:59
e1cb5ef183bbdc0e… google · xenon2026h2
Subject: help.yahoo.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: help.yahoo.com, *.help.yahoo.com
Valid: 2026-03-10 00:00:00 → 2026-09-02 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.