Check-Host.cc
Domain

2err.studio

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

Run a live full scan of 2err.studio

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
1
A/AAAA targets
Subdomains
1
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
54.194.41.141
AAAA
MX
1 fwd1.porkbun.com, 1 fwd2.porkbun.com
NS
curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com
TXT
rm_verify=af4e9aa012, v=spf1 include:_spf.porkbun.com ~all
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
2err.studio 2026-08-15 09:55:45.309

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.

47cc5112cff44cae… google · argon2026h2
Subject: 2err.studio
Issuer: ZeroSSL ECC DV SSL CA 2
SANs: 2err.studio
Valid: 2026-08-11 00:00:00 → 2026-11-09 23:59:59
b3b0feb16f1ff99d… google · argon2026h2
Subject: 2err.studio
Issuer: ZeroSSL ECC DV SSL CA 2
SANs: 2err.studio
Valid: 2026-08-11 00:00:00 → 2026-11-09 23:59:59

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
MX 1 fwd1.porkbun.com 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
NS curitiba.ns.porkbun.com 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
NS salvador.ns.porkbun.com 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
TXT rm_verify=af4e9aa012 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
TXT v=spf1 include:_spf.porkbun.com ~all 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
A 54.194.41.141 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
NS maceio.ns.porkbun.com 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
MX 1 fwd2.porkbun.com 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309
NS fortaleza.ns.porkbun.com 2026-08-15 09:55:45.309 2026-08-15 09:55:45.309