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Domain

4fdga3ak.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 4fdga3ak.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
6
A/AAAA targets
Subdomains
19
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
33
in our scans

DNS Records

A
—
AAAA
—
MX
—
NS
koa.ns.cloudflare.com, olga.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
flat-boat-c917.4fdga3ak.workers.dev
2606:4700:3033::ac43:9eb0 172.67.158.176 104.21.82.149 2606:4700:3037::6815:5295 +2
2026-08-24 05:24:50.632
black-salad-5be4.4fdga3ak.workers.dev
2606:4700:3030::ac43:9eb0 104.21.82.149 2606:4700:3037::6815:5295 172.67.158.176
2026-08-10 22:19:43.742
empty-firefly-1210.4fdga3ak.workers.dev
2606:4700:3030::ac43:9eb0 104.21.82.149 2606:4700:3037::6815:5295 172.67.158.176
2026-08-11 10:52:43.775
long-cloud-fbc0.4fdga3ak.workers.dev
2606:4700:3030::ac43:9eb0 104.21.82.149 2606:4700:3037::6815:5295 172.67.158.176
2026-08-20 01:31:45.301
still-moon-5990.4fdga3ak.workers.dev
2606:4700:3030::ac43:9eb0 104.21.82.149 2606:4700:3037::6815:5295 172.67.158.176
2026-08-22 16:39:49.798
4fdga3ak.workers.dev DNS pending —
fragrant-silence-5480.4fdga3ak.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.

c6c4598ed35b5380… digicert · wyvern2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.black-salad-5be4.4fdga3ak.workers.dev
Valid: 2026-08-10 15:43:59 → 2026-11-08 16:43:44
3efe91688bb28d2a… digicert · wyvern2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.black-salad-5be4.4fdga3ak.workers.dev
Valid: 2026-08-10 15:43:38 → 2026-11-08 16:43:18
fe073241de95a8a3… digicert · wyvern2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.black-salad-5be4.4fdga3ak.workers.dev
Valid: 2026-08-10 15:26:47 → 2026-11-08 16:26:31
8984b61726618ed0… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.black-salad-5be4.4fdga3ak.workers.dev
Valid: 2026-08-10 15:26:24 → 2026-11-08 16:23:49
05012d48a84c0b44… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.still-moon-5990.4fdga3ak.workers.dev
Valid: 2026-08-09 01:28:01 → 2026-11-07 02:27:43
d5b9ac29adde8931… cloudflare · nimbus2026
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.still-moon-5990.4fdga3ak.workers.dev
Valid: 2026-08-09 01:27:37 → 2026-11-07 02:27:34
78f0a85a6e42e6e0… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.still-moon-5990.4fdga3ak.workers.dev
Valid: 2026-08-09 01:19:24 → 2026-11-07 02:19:06
8fdeb1c38d294e40… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.still-moon-5990.4fdga3ak.workers.dev
Valid: 2026-08-09 01:19:00 → 2026-11-07 02:16:07
7321474f132bbff0… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.shy-sea-c0bd.4fdga3ak.workers.dev
Valid: 2026-08-08 12:29:48 → 2026-11-06 13:29:29
c85f19ed3526f67e… google · xenon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.shy-sea-c0bd.4fdga3ak.workers.dev
Valid: 2026-08-08 12:29:23 → 2026-11-06 13:29:01
7d83686a85e64d17… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.shy-sea-c0bd.4fdga3ak.workers.dev
Valid: 2026-08-08 12:10:54 → 2026-11-06 13:10:41
260f25a49720e6cf… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.shy-sea-c0bd.4fdga3ak.workers.dev
Valid: 2026-08-08 12:10:34 → 2026-11-06 13:08:32
a714451de296fef8… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.empty-firefly-1210.4fdga3ak.workers.dev
Valid: 2026-08-08 03:35:56 → 2026-11-06 04:35:38
fde3895252fe16cc… digicert · wyvern2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.empty-firefly-1210.4fdga3ak.workers.dev
Valid: 2026-08-08 03:35:32 → 2026-11-06 04:35:21
90631d71ae12a818… digicert · wyvern2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.empty-firefly-1210.4fdga3ak.workers.dev
Valid: 2026-08-08 03:24:47 → 2026-11-06 04:24:22
9d409e6cf4fd15c9… google · argon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.empty-firefly-1210.4fdga3ak.workers.dev
Valid: 2026-08-08 03:24:16 → 2026-11-06 04:21:34
be9f10b0f41f8769… digicert · wyvern2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.fragrant-silence-5480.4fdga3ak.workers.dev
Valid: 2026-08-08 02:19:45 → 2026-11-06 03:19:17
6b27264492957103… google · xenon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.fragrant-silence-5480.4fdga3ak.workers.dev
Valid: 2026-08-08 02:19:11 → 2026-11-06 03:18:58
dd124045cf8d482b… google · xenon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WE1
SANs: 4fdga3ak.workers.dev, *.fragrant-silence-5480.4fdga3ak.workers.dev
Valid: 2026-08-08 02:07:44 → 2026-11-06 03:07:25
265bc77518b58a8f… google · xenon2026h2
Subject: 4fdga3ak.workers.dev
Issuer: WR1
SANs: 4fdga3ak.workers.dev, *.fragrant-silence-5480.4fdga3ak.workers.dev
Valid: 2026-08-08 02:07:18 → 2026-11-06 03:04:33

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 olga.ns.cloudflare.com 2026-06-17 19:31:59.974 2026-08-24 05:24:50.632
NS koa.ns.cloudflare.com 2026-06-17 19:31:59.974 2026-08-24 05:24:50.632