Check-Host.cc

Domain

admin.mb.dev.nxtgd.net

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

Run a live full scan of admin.mb.dev.nxtgd.net

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
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
14
in our scans

DNS Records

A
18.239.50.107, 18.239.50.123, 18.239.50.33, 18.239.50.91, 52.222.136.18, 52.222.136.4, 52.222.136.59, 52.222.136.9
AAAA
MX
NS
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

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: alb.mb.dev.concertgenetics.com
Issuer: Amazon RSA 2048 M04
SANs: admin.mb.dev.nxtgd.net, alb.mb.dev.concertgenetics.com, alb.mb.dev.nxtgd.net, app.mb.dev.concertgenetics.com
Subject: alb.mb.dev.concertgenetics.com
Issuer: Amazon RSA 2048 M04
SANs: admin.mb.dev.nxtgd.net, alb.mb.dev.concertgenetics.com, alb.mb.dev.nxtgd.net, app.mb.dev.concertgenetics.com
Subject: alb.mb.dev.concertgenetics.com
Issuer: Amazon RSA 2048 M04
SANs: admin.mb.dev.nxtgd.net, alb.mb.dev.concertgenetics.com, alb.mb.dev.nxtgd.net, app.mb.dev.concertgenetics.com

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.

3786875204624797… google · argon2026h2
Subject: admin.mb.dev.nxtgd.net
Issuer: Amazon RSA 2048 M01
SANs: admin.mb.dev.nxtgd.net
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
5eb89ae57f247288… google · argon2026h2
Subject: alb.mb.dev.concertgenetics.com
Issuer: Amazon RSA 2048 M04
SANs: alb.mb.dev.concertgenetics.com, admin.mb.dev.nxtgd.net, alb.mb.dev.nxtgd.net, app.mb.dev.concertgenetics.com
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
9c532776c0a894e5… google · argon2026h2
Subject: admin.mb.dev.nxtgd.net
Issuer: Amazon RSA 2048 M01
SANs: admin.mb.dev.nxtgd.net
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
ffe702ef000c2138… google · argon2026h2
Subject: alb.mb.dev.concertgenetics.com
Issuer: Amazon RSA 2048 M04
SANs: alb.mb.dev.concertgenetics.com, admin.mb.dev.nxtgd.net, alb.mb.dev.nxtgd.net, app.mb.dev.concertgenetics.com
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
3786875204624797… google · xenon2026h2
Subject: admin.mb.dev.nxtgd.net
Issuer: Amazon RSA 2048 M01
SANs: admin.mb.dev.nxtgd.net
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
5eb89ae57f247288… google · xenon2026h2
Subject: alb.mb.dev.concertgenetics.com
Issuer: Amazon RSA 2048 M04
SANs: alb.mb.dev.concertgenetics.com, admin.mb.dev.nxtgd.net, alb.mb.dev.nxtgd.net, app.mb.dev.concertgenetics.com
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
9c532776c0a894e5… google · xenon2026h2
Subject: admin.mb.dev.nxtgd.net
Issuer: Amazon RSA 2048 M01
SANs: admin.mb.dev.nxtgd.net
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
ffe702ef000c2138… google · xenon2026h2
Subject: alb.mb.dev.concertgenetics.com
Issuer: Amazon RSA 2048 M04
SANs: alb.mb.dev.concertgenetics.com, admin.mb.dev.nxtgd.net, alb.mb.dev.nxtgd.net, app.mb.dev.concertgenetics.com
Valid: 2025-11-21 00:00:00 → 2026-12-20 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 52.222.136.18 2026-05-26 00:21:04.925 2026-06-21 13:47:23.286
A 52.222.136.59 2026-05-26 00:21:04.925 2026-06-21 13:47:23.286
A 52.222.136.9 2026-05-26 00:21:04.925 2026-06-21 13:47:23.286
A 52.222.136.4 2026-05-26 00:21:04.925 2026-06-21 13:47:23.286
A 18.239.50.107 2026-07-17 15:13:58.994 2026-07-21 15:07:11.688
A 18.239.50.91 2026-07-17 15:13:58.994 2026-07-21 15:07:11.688
A 18.239.50.33 2026-07-17 15:13:58.994 2026-07-21 15:07:11.688
A 18.239.50.123 2026-07-17 15:13:58.994 2026-07-21 15:07:11.688