Check-Host.cc
Domain

2020400.com

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

Run a live full scan of 2020400.com

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
6
A/AAAA targets
Subdomains
3
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
104.21.87.20, 172.67.168.169
AAAA
2606:4700:3030::ac43:a8a9, 2606:4700:3032::ac43:a8a9, 2606:4700:3034::6815:5714, 2606:4700:3036::6815:5714
MX
NS
hera.ns.cloudflare.com, rob.ns.cloudflare.com
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

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
2020400.com 2026-08-21 03:50:09.172

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.

130199926f5c1f33… digicert · wyvern2026h2
Subject: tls.automattic.com
Issuer: WR1
SANs: tls.automattic.com, 2020400.com, 9f552aec-0b62-41b0-8a60-324174322a53.express.conves.io, admarketinddigital.com.br, airasia-aviation.info, alissonjoanfans.com, autoclasico.mx, barnabaspress.net, bumpyroadscounseling.com, bynorastudio.com, colton-ledbetter-racing.com, courtneycarlisle.com, datawithjeffy.com, doesitcomewithbacon.com, e2excel.blog, eetuntaksi.fi, fastsneaks.com, frantastic.blog, healingthroughlife.blog, ignaciolopezpittbsurgh.com, jaladaafrica.org, jingliantang.com, liverampgatest.com, lylisfamilychildcare.com, metalsip.com, michaelanthompson.com, monfauteuilreleveur.fr, paulgisbrecht.com, www.admarketinddigital.com.br, www.airasia-aviation.info, www.alissonjoanfans.com, www.autoclasico.mx, www.barnabaspress.net, www.bumpyroadscounseling.com, www.bynorastudio.com, www.colton-ledbetter-racing.com, www.courtneycarlisle.com, www.datawithjeffy.com, www.doesitcomewithbacon.com, www.e2excel.blog, www.eetuntaksi.fi, www.fastsneaks.com, www.frantastic.blog, www.healingthroughlife.blog, www.heatgeneration.ie, www.issaelissha.com, www.jaladaafrica.org, www.liverampgatest.com, www.matthieuduvaux.fr, www.metalsip.com, www.monfauteuilreleveur.fr
Valid: 2026-08-10 08:14:03 → 2026-11-08 08:14:02
ef4b3563adf154e9… google · argon2026h2
Subject: 2020400.com
Issuer: WE1
SANs: 2020400.com, *.2020400.com
Valid: 2026-08-06 17:00:48 → 2026-11-04 17:58:26

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
NS rob.ns.cloudflare.com 2026-06-01 06:04:39.520 2026-08-21 03:50:09.172
A 104.21.87.20 2026-06-01 06:04:39.520 2026-08-21 03:50:09.172
AAAA 2606:4700:3036::6815:5714 2026-06-01 06:04:39.520 2026-06-04 10:46:54.324
NS hera.ns.cloudflare.com 2026-06-01 06:04:39.520 2026-08-21 03:50:09.172
A 172.67.168.169 2026-06-01 06:04:39.520 2026-08-21 03:50:09.172
AAAA 2606:4700:3032::ac43:a8a9 2026-06-01 06:04:39.520 2026-06-04 10:46:54.324
AAAA 2606:4700:3030::ac43:a8a9 2026-08-21 03:50:09.172 2026-08-21 03:50:09.172
AAAA 2606:4700:3034::6815:5714 2026-08-21 03:50:09.172 2026-08-21 03:50:09.172