Check-Host.cc
Domain

2pf4i.workers.dev

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

Run a live full scan of 2pf4i.workers.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
10
A/AAAA targets
Subdomains
11
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
17
in our scans

DNS Records

A
AAAA
MX
NS
blair.ns.cloudflare.com, seamus.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.

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.

73963cc6ea4a5fde… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.odd.2pf4i.workers.dev
Valid: 2026-08-11 04:54:48 → 2026-11-09 05:54:18
38b650162d68400c… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.odd.2pf4i.workers.dev
Valid: 2026-08-11 04:54:11 → 2026-11-09 05:53:30
082aab966eacc72d… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.odd.2pf4i.workers.dev
Valid: 2026-08-11 04:37:17 → 2026-11-09 05:37:04
22d879445a21cd85… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.odd.2pf4i.workers.dev
Valid: 2026-08-11 04:36:57 → 2026-11-09 05:34:06
8db5007e2838e205… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.tmep1.2pf4i.workers.dev
Valid: 2026-08-08 03:27:36 → 2026-11-06 04:27:00
b363e01ee838d51a… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.tmep1.2pf4i.workers.dev
Valid: 2026-08-08 03:26:51 → 2026-11-06 04:26:00
055450329abb1e82… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.tmep1.2pf4i.workers.dev
Valid: 2026-08-08 03:12:53 → 2026-11-06 04:12:38
76ce45c4a7d30a4e… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.tmep1.2pf4i.workers.dev
Valid: 2026-08-08 03:12:31 → 2026-11-06 04:09:35
b51a06830eec15ff… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.12355.2pf4i.workers.dev
Valid: 2026-08-06 00:05:44 → 2026-11-04 01:05:28
c4cb90f66fed1942… google · argon2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.12355.2pf4i.workers.dev
Valid: 2026-08-06 00:05:22 → 2026-11-04 01:05:18
faa39b9a45c7d270… google · xenon2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.12355.2pf4i.workers.dev
Valid: 2026-08-05 23:55:04 → 2026-11-04 00:54:53
18ee47e7e02f4b09… google · xenon2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.12355.2pf4i.workers.dev
Valid: 2026-08-05 23:54:46 → 2026-11-04 00:52:10
23417105b5163217… google · xenon2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.tmep1.2pf4i.workers.dev
Valid: 2026-06-10 02:30:38 → 2026-09-08 03:27:38
f05f217945cec5fc… google · xenon2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.srt.2pf4i.workers.dev
Valid: 2026-06-07 13:53:35 → 2026-09-05 14:52:36
8a3dc954e10e63ce… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WR1
SANs: 2pf4i.workers.dev, *.gg.2pf4i.workers.dev
Valid: 2026-06-04 08:43:23 → 2026-09-02 09:40:53
409a06033794fb8f… digicert · wyvern2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.2pf4i.workers.dev
Valid: 2026-05-31 17:29:02 → 2026-08-29 18:28:43
7bb23cc8b1884cea… google · argon2026h2
Subject: 2pf4i.workers.dev
Issuer: WE1
SANs: 2pf4i.workers.dev, *.2pf4i.workers.dev
Valid: 2026-05-31 13:38:46 → 2026-08-29 14:36:03

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 blair.ns.cloudflare.com 2026-06-17 06:59:43.365 2026-08-22 08:54:49.784
NS seamus.ns.cloudflare.com 2026-06-17 06:59:43.365 2026-08-22 08:54:49.784