Check-Host.cc

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

101edu.co

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

DNS Check HTTP Check Run Full Scan .co TLD

Run a live full scan of 101edu.co

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
53
A/AAAA targets
Subdomains
23
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
108.156.60.111, 108.156.60.24, 108.156.60.51, 108.156.60.78, 18.239.18.45, 18.239.18.89, 18.239.18.9, 18.239.18.94
AAAA
—
MX
1 aspmx.l.google.com, 10 aspmx2.googlemail.com, 10 aspmx3.googlemail.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
ns-1334.awsdns-38.org, ns-139.awsdns-17.com, ns-1882.awsdns-43.co.uk, ns-994.awsdns-60.net
TXT
ZOOM_verify_Yb_DSyvaSyGvFLXgU8BFHQ, ca3-09375925b9ef41e48abb1935f5096bad, ca3-d8446f35e6f148dcb159c1f03604cd51, google-site-verification=0ZOGKYwHDib7a143Jy1Ku3RriQNPh9Fzcqm5jxkBacg, google-site-verification=Oqg9FQJeuCZ1jJ_QSw3xcUNOESlwL8cRFmN3qntzVeM, google-site-verification=Xe8iLk_YSl7D4XL90Jl8g-kZxmUiClLgMuAgjMdNJAg, pardot904602=b3a86a832f75648220699361e115ac1c5a1c41a940ca9ffd72fff4d14400a4b4, v=spf1 include:sendgrid.net include:_spf.google.com include:aspmx.pardot.com include:amazonses.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
101edu.co
18.239.18.94 18.239.18.89 18.239.18.9 18.239.18.45 +4
2026-07-20 07:45:24.757
app.101edu.co
108.138.26.117 18.239.36.56 18.239.36.45 18.239.36.127 +4
2026-06-17 01:15:47.368
app.prod.101edu.co
18.239.36.56 108.138.26.66 108.138.26.117 108.138.26.67 +4
2026-06-17 01:15:47.368
app.prototype.101edu.co
18.66.112.12 18.239.69.13 18.239.69.11 18.239.69.67 +4
2026-06-17 01:15:47.368
dev.app.101edu.co
108.156.60.85 108.156.60.86 108.156.60.22 108.156.60.70 +4
2026-06-17 01:15:47.368
account.101edu.co
13.32.121.41 13.32.121.119 13.32.121.74 13.32.121.64
2026-06-21 18:27:12.120
account.dev.101edu.co
18.239.36.87 18.239.36.126 18.239.36.118 18.239.36.104
2026-06-21 18:27:12.120
account.staging.101edu.co
18.65.39.77 18.65.39.88 18.65.39.97 18.65.39.8
2026-06-21 18:27:12.120
app.dev.101edu.co
108.156.60.86 108.156.60.70 108.156.60.85 108.156.60.22
2026-06-17 01:15:47.368
app.staging.101edu.co
18.239.50.82 18.239.50.129 18.239.50.46 18.239.50.87
2026-06-17 01:15:47.368
prod.101edu.co
108.156.60.36 108.156.60.55 108.156.60.91 108.156.60.43
2026-07-20 07:45:24.757
dev.101edu.co
1970-01-01 00:00:00.000
staging.101edu.co
162.159.134.42
2026-07-20 07:45:24.757

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.

5e96f8d12c54d502… google · argon2026h2
Subject: 101edu.co
Issuer: Amazon RSA 2048 M04
SANs: 101edu.co, *.prod.101ed.co, *.staging.101edu.co, *.staging.101ed.co, *.101ed.co, *.dev.101ed.co, 101ed.co, *.dev.101edu.co, *.101edu.co, *.prod.101edu.co
Valid: 2025-11-26 00:00:00 → 2026-12-23 23:59:59
5e96f8d12c54d502… google · xenon2026h2
Subject: 101edu.co
Issuer: Amazon RSA 2048 M04
SANs: 101edu.co, *.prod.101ed.co, *.staging.101edu.co, *.staging.101ed.co, *.101ed.co, *.dev.101ed.co, 101ed.co, *.dev.101edu.co, *.101edu.co, *.prod.101edu.co
Valid: 2025-11-26 00:00:00 → 2026-12-23 23:59:59
d1c45a0264dbde0c… google · argon2026h2
Subject: 101edu.co
Issuer: Amazon RSA 2048 M01
SANs: 101edu.co, *.staging.101edu.co, *.dev.101edu.co, *.101edu.co, *.prod.101edu.co
Valid: 2025-10-15 00:00:00 → 2026-11-13 23:59:59
fee66348bb900493… cloudflare · nimbus2026
Subject: 101edu.co
Issuer: Amazon RSA 2048 M01
SANs: 101edu.co, *.staging.101edu.co, *.dev.101edu.co, *.101edu.co, *.prod.101edu.co
Valid: 2025-10-15 00:00:00 → 2026-11-13 23:59:59
d1c45a0264dbde0c… cloudflare · nimbus2026
Subject: 101edu.co
Issuer: Amazon RSA 2048 M01
SANs: 101edu.co, *.staging.101edu.co, *.dev.101edu.co, *.101edu.co, *.prod.101edu.co
Valid: 2025-10-15 00:00:00 → 2026-11-13 23:59:59
fee66348bb900493… google · xenon2026h2
Subject: 101edu.co
Issuer: Amazon RSA 2048 M01
SANs: 101edu.co, *.staging.101edu.co, *.dev.101edu.co, *.101edu.co, *.prod.101edu.co
Valid: 2025-10-15 00:00:00 → 2026-11-13 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
TXT pardot904602=b3a86a832f75648220699361e115ac1c5a1c41a940ca9ffd72fff4d14400a4b4 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
MX 5 alt1.aspmx.l.google.com 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
TXT ZOOM_verify_Yb_DSyvaSyGvFLXgU8BFHQ 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
A 108.156.60.111 2026-06-16 04:00:29.534 2026-06-16 04:00:29.534
TXT v=spf1 include:sendgrid.net include:_spf.google.com include:aspmx.pardot.com include:amazonses.com ~all 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
MX 10 aspmx3.googlemail.com 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
A 108.156.60.78 2026-06-16 04:00:29.534 2026-06-16 04:00:29.534
MX 1 aspmx.l.google.com 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
NS ns-1334.awsdns-38.org 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
NS ns-139.awsdns-17.com 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
NS ns-1882.awsdns-43.co.uk 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
MX 10 aspmx2.googlemail.com 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
A 108.156.60.51 2026-06-16 04:00:29.534 2026-06-16 04:00:29.534
TXT ca3-d8446f35e6f148dcb159c1f03604cd51 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
TXT google-site-verification=0ZOGKYwHDib7a143Jy1Ku3RriQNPh9Fzcqm5jxkBacg 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
MX 5 alt2.aspmx.l.google.com 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
NS ns-994.awsdns-60.net 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
TXT ca3-09375925b9ef41e48abb1935f5096bad 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
TXT google-site-verification=Oqg9FQJeuCZ1jJ_QSw3xcUNOESlwL8cRFmN3qntzVeM 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
TXT google-site-verification=Xe8iLk_YSl7D4XL90Jl8g-kZxmUiClLgMuAgjMdNJAg 2026-06-16 04:00:29.534 2026-07-20 07:45:24.757
A 108.156.60.24 2026-06-16 04:00:29.534 2026-06-16 04:00:29.534
A 18.239.18.94 2026-07-20 07:45:24.757 2026-07-20 07:45:24.757
A 18.239.18.9 2026-07-20 07:45:24.757 2026-07-20 07:45:24.757
A 18.239.18.89 2026-07-20 07:45:24.757 2026-07-20 07:45:24.757
A 18.239.18.45 2026-07-20 07:45:24.757 2026-07-20 07:45:24.757