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Domain

4octets.workers.dev

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

DNS Check HTTP Check Run Full Scan .dev TLD

Run a live full scan of 4octets.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
8
A/AAAA targets
Subdomains
10
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
11
in our scans

DNS Records

A
—
AAAA
—
MX
—
NS
aitana.ns.cloudflare.com, lennon.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
worker-steep-pine-cba9.4octets.workers.dev
188.114.97.0 172.67.168.87 2a06:98c1:3120:: 2a06:98c1:3121:: +2
2026-08-18 09:28:45.464
gweb.4octets.workers.dev
2a06:98c1:3120::3 172.67.168.87 104.21.78.186 2a06:98c1:3121::3
2026-08-09 11:50:47.785
4octets.workers.dev DNS pending —

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.

6de0ed9038e841a5… digicert · wyvern2026h2
Subject: 4octets.workers.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-08-18 00:00:00 → 2026-11-14 22:06:57
8de301bd3a28aae5… digicert · wyvern2026h2
Subject: 4octets.workers.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-08-16 00:00:00 → 2026-11-13 16:37:05
94864e3269bb5a97… google · argon2026h2
Subject: 4octets.workers.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-08-16 00:00:00 → 2026-11-13 16:37:05
622c5475d284e8aa… google · xenon2026h2
Subject: 4octets.workers.dev
Issuer: WE1
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-08-14 15:56:22 → 2026-11-12 16:56:16
961cf421c5f49eb5… digicert · wyvern2026h2
Subject: 4octets.workers.dev
Issuer: WE1
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-08-14 15:56:22 → 2026-11-12 16:56:16
d8c6c7eefc18f81e… digicert · wyvern2026h2
Subject: 4octets.workers.dev
Issuer: WE1
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-08-14 14:14:20 → 2026-11-12 15:12:05
1db489b001569734… google · xenon2026h2
Subject: 4octets.workers.dev
Issuer: WE1
SANs: 4octets.workers.dev, *.gweb.4octets.workers.dev
Valid: 2026-08-07 06:58:43 → 2026-11-05 07:58:13
ff1f93348e26edd5… google · xenon2026h2
Subject: 4octets.workers.dev
Issuer: WR1
SANs: 4octets.workers.dev, *.gweb.4octets.workers.dev
Valid: 2026-08-07 06:58:06 → 2026-11-05 07:55:19
d90186f78beafef3… digicert · wyvern2026h2
Subject: 4octets.workers.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-06-19 00:00:00 → 2026-09-13 16:26:11
07d757bd70bf5054… digicert · wyvern2026h2
Subject: 4octets.workers.dev
Issuer: WE1
SANs: 4octets.workers.dev, *.4octets.workers.dev
Valid: 2026-06-16 11:34:12 → 2026-09-14 12:32:36
2b858c1e1b53ed32… digicert · wyvern2026h2
Subject: 4octets.workers.dev
Issuer: WR1
SANs: 4octets.workers.dev, *.worker-steep-pine-cba9.4octets.workers.dev
Valid: 2026-06-04 08:45:11 → 2026-09-02 09:42:40

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 lennon.ns.cloudflare.com 2026-07-25 09:02:28.203 2026-08-29 22:51:50.813
NS aitana.ns.cloudflare.com 2026-07-25 09:02:28.203 2026-08-29 22:51:50.813