Check-Host.cc
Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Domain

2020kind.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 2020kind.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
31
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
40
in our scans

DNS Records

A
—
AAAA
—
MX
—
NS
oswald.ns.cloudflare.com, sandy.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
nameless-glitter-c58e.2020kind.workers.dev
2606:4700:3030::ac43:8a92 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3036::6815:2e7c +2
2026-08-20 07:55:45.233
rapid-band-5ca1.2020kind.workers.dev
2606:4700:3030::ac43:8a92 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3036::6815:2e7c +2
2026-08-21 16:22:50.523
round-wind-fcb0.2020kind.workers.dev
2606:4700:3030::ac43:8a92 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3036::6815:2e7c +2
2026-08-23 16:18:50.332
ancient-waterfall-b713.2020kind.workers.dev
104.21.46.124 2606:4700:3033::6815:2e7c 172.67.138.146 2606:4700:3031::ac43:8a92
2026-08-22 06:36:49.776
curly-wind-3596.2020kind.workers.dev
104.21.46.124 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3033::6815:2e7c
2026-08-21 23:39:49.751
dawn-king-966f.2020kind.workers.dev
104.21.46.124 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3033::6815:2e7c
2026-08-11 11:49:43.828
dry-flower-7e36.2020kind.workers.dev
104.21.46.124 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3033::6815:2e7c
2026-08-23 21:12:50.338
misty-sun-8fd4.2020kind.workers.dev
104.21.46.124 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3033::6815:2e7c
2026-08-11 19:28:43.879
orange-butterfly-5e35.2020kind.workers.dev
104.21.46.124 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3033::6815:2e7c
2026-08-23 17:48:50.323
restless-paper-9b33.2020kind.workers.dev
104.21.46.124 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3033::6815:2e7c
2026-08-25 23:48:50.909
tight-queen-6a31.2020kind.workers.dev
104.21.46.124 2606:4700:3031::ac43:8a92 172.67.138.146 2606:4700:3033::6815:2e7c
2026-08-10 17:16:43.660
2020kind.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.

e62bc4d7f239d272… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 2020kind.workers.dev, *.2020kind.workers.dev
Valid: 2026-08-19 00:00:00 → 2026-11-15 09:35:46
14725920137e0807… google · argon2026h2
Subject: 2020kind.workers.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 2020kind.workers.dev, *.2020kind.workers.dev
Valid: 2026-08-17 00:00:00 → 2026-11-12 21:24:46
fcab0448b210dfaa… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 2020kind.workers.dev, *.2020kind.workers.dev
Valid: 2026-08-17 00:00:00 → 2026-11-12 21:24:46
63f319028b675d83… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.misty-sun-8fd4.2020kind.workers.dev
Valid: 2026-08-11 16:46:44 → 2026-11-09 17:46:23
3843991b1a8b7e9c… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.misty-sun-8fd4.2020kind.workers.dev
Valid: 2026-08-11 16:46:17 → 2026-11-09 17:45:51
778c1d8559e855c7… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.misty-sun-8fd4.2020kind.workers.dev
Valid: 2026-08-11 16:28:24 → 2026-11-09 17:27:37
be97cc7684d2fdb9… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.misty-sun-8fd4.2020kind.workers.dev
Valid: 2026-08-11 16:27:30 → 2026-11-09 17:24:30
11a6f182b48b50d1… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.ancient-waterfall-b713.2020kind.workers.dev
Valid: 2026-08-11 06:40:51 → 2026-11-09 07:40:20
1d01a57c903709e5… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.ancient-waterfall-b713.2020kind.workers.dev
Valid: 2026-08-11 06:40:13 → 2026-11-09 07:39:59
05bb224f5344bbb1… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.ancient-waterfall-b713.2020kind.workers.dev
Valid: 2026-08-11 06:13:21 → 2026-11-09 07:13:10
f6104ede957be492… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.ancient-waterfall-b713.2020kind.workers.dev
Valid: 2026-08-11 06:13:03 → 2026-11-09 07:10:41
480683f85a5692de… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.dry-flower-7e36.2020kind.workers.dev
Valid: 2026-08-11 04:08:47 → 2026-11-09 05:08:29
45a7349980b4a6a5… google · argon2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.dry-flower-7e36.2020kind.workers.dev
Valid: 2026-08-11 04:08:23 → 2026-11-09 05:08:06
af582c66f15bf27e… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.dry-flower-7e36.2020kind.workers.dev
Valid: 2026-08-11 03:36:14 → 2026-11-09 04:35:54
a153d8783752b44b… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.dry-flower-7e36.2020kind.workers.dev
Valid: 2026-08-11 03:35:47 → 2026-11-09 04:30:07
4b1663252b67ae57… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.dawn-king-966f.2020kind.workers.dev
Valid: 2026-08-10 23:23:15 → 2026-11-09 00:23:05
88867656907c7a6b… google · argon2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.dawn-king-966f.2020kind.workers.dev
Valid: 2026-08-10 23:22:58 → 2026-11-09 00:22:55
21722a264a2da9de… google · argon2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.dawn-king-966f.2020kind.workers.dev
Valid: 2026-08-10 22:58:22 → 2026-11-08 23:58:07
93f5642dd75c3e25… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WR1
SANs: 2020kind.workers.dev, *.dawn-king-966f.2020kind.workers.dev
Valid: 2026-08-10 22:58:00 → 2026-11-08 23:55:19
8fba8f1290f7523b… digicert · wyvern2026h2
Subject: 2020kind.workers.dev
Issuer: WE1
SANs: 2020kind.workers.dev, *.rapid-band-5ca1.2020kind.workers.dev
Valid: 2026-08-10 12:37:08 → 2026-11-08 13:36:59

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
NS sandy.ns.cloudflare.com 2026-06-03 05:50:20.688 2026-08-30 07:42:50.918
NS oswald.ns.cloudflare.com 2026-06-03 05:50:20.688 2026-08-30 07:42:50.918