Check-Host.cc

Domain

11c.kr

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

Run a live full scan of 11c.kr

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
7
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
99.84.152.125, 99.84.152.54, 99.84.152.64, 99.84.152.79
AAAA
MX
1 aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com
TXT
google-site-verification=ieh2q_UcsWbzglnCjuxZh81v8VkbkJDzYmsYQBsr9FA, v=spf1 include:_spf.google.com include:mail.stibee.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
11c.kr 2026-06-16 21:12:35.215
keeper-admin.11c.kr 2026-06-21 05:26:33.660
keeper-app-test.11c.kr 2026-06-19 22:31:36.115
keeper-app.11c.kr 2026-06-21 17:28:46.472
keeper-indicator.11c.kr 2026-06-18 16:50:38.800
connect.11c.kr
1970-01-01 00:00:00.000
l.11c.kr
1970-01-01 00:00:00.000

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.

3fb310167db3e7ca… google · argon2026h2
Subject: 11c.kr
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: 11c.kr, www.11c.kr
Valid: 2025-12-19 00:00:00 → 2026-12-19 23:59:59
784f16424cff87e2… google · argon2026h2
Subject: 11c.kr
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: 11c.kr, www.11c.kr
Valid: 2025-12-19 00:00:00 → 2026-12-19 23:59:59
97578b48e55ce227… google · argon2026h2
Subject: 11c.kr
Issuer: Amazon RSA 2048 M04
SANs: 11c.kr, *.11c.kr
Valid: 2025-10-19 00:00:00 → 2026-11-17 23:59:59
e18c1ec6e21f59af… google · argon2026h2
Subject: 11c.kr
Issuer: Amazon RSA 2048 M04
SANs: 11c.kr, *.11c.kr
Valid: 2025-10-19 00:00:00 → 2026-11-17 23:59:59
97578b48e55ce227… google · xenon2026h2
Subject: 11c.kr
Issuer: Amazon RSA 2048 M04
SANs: 11c.kr, *.11c.kr
Valid: 2025-10-19 00:00:00 → 2026-11-17 23:59:59
e18c1ec6e21f59af… cloudflare · nimbus2026
Subject: 11c.kr
Issuer: Amazon RSA 2048 M04
SANs: 11c.kr, *.11c.kr
Valid: 2025-10-19 00:00:00 → 2026-11-17 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
A 99.84.152.125 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
NS ans2.hostcocoa.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
A 99.84.152.54 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
A 99.84.152.79 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
NS ans3.hostcocoa.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
A 99.84.152.64 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
TXT google-site-verification=ieh2q_UcsWbzglnCjuxZh81v8VkbkJDzYmsYQBsr9FA 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
NS ans1.hostcocoa.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
TXT v=spf1 include:_spf.google.com include:mail.stibee.com ~all 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
MX 5 alt2.aspmx.l.google.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
MX 10 alt4.aspmx.l.google.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
MX 1 aspmx.l.google.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
MX 5 alt1.aspmx.l.google.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
MX 10 alt3.aspmx.l.google.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215
NS ans4.hostcocoa.com 2026-06-16 21:12:35.215 2026-06-16 21:12:35.215