Check-Host.cc

Domain

development.mainframe.zone

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

Run a live full scan of development.mainframe.zone

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
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
1
in our scans

DNS Records

A
18.195.126.124, 35.156.206.157, 52.29.208.20, 52.57.1.149, 52.58.49.65, 52.59.156.197
AAAA
MX
NS
ns-1164.awsdns-17.org, ns-1904.awsdns-46.co.uk, ns-483.awsdns-60.com, ns-810.awsdns-37.net
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: eu-central-1.development.mainframe.zone
Issuer: Amazon RSA 2048 M04
SANs: development.mainframe.zone, eu-central-1.development.mainframe.zone

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.

a88e6f80e7ed205e… google · argon2026h2
Subject: eu-central-1.development.mainframe.zone
Issuer: Amazon RSA 2048 M04
SANs: eu-central-1.development.mainframe.zone, development.mainframe.zone
Valid: 2025-09-07 00:00:00 → 2026-10-06 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
NS ns-483.awsdns-60.com 2026-05-27 08:23:01.825 2026-06-19 20:29:28.347
A 35.156.206.157 2026-05-27 08:23:01.825 2026-05-27 08:23:01.825
NS ns-1164.awsdns-17.org 2026-05-27 08:23:01.825 2026-06-19 20:29:28.347
A 18.195.126.124 2026-05-27 08:23:01.825 2026-05-27 08:23:01.825
NS ns-1904.awsdns-46.co.uk 2026-05-27 08:23:01.825 2026-06-19 20:29:28.347
A 52.59.156.197 2026-05-27 08:23:01.825 2026-05-27 08:23:01.825
NS ns-810.awsdns-37.net 2026-05-27 08:23:01.825 2026-06-19 20:29:28.347
A 52.58.49.65 2026-06-19 20:29:28.347 2026-06-19 20:29:28.347
A 52.29.208.20 2026-06-19 20:29:28.347 2026-06-19 20:29:28.347
A 52.57.1.149 2026-06-19 20:29:28.347 2026-06-19 20:29:28.347