Check-Host.cc

Domain

simprep.ai

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

Run a live full scan of simprep.ai

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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Hosting IPs
5
A/AAAA targets
Subdomains
9
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
6
in our scans

DNS Records

A
216.24.57.1
AAAA
MX
10 mx.zoho.com, 20 mx2.zoho.com, 50 mx3.zoho.com
NS
ns45.domaincontrol.com, ns46.domaincontrol.com
TXT
google-site-verification=RaQshhvmrtMJByY95s0ZxlHFAXsTs-irGG_xji6FoK4, v=spf1 include:dc-8e814c8572._spfm.simprep.ai ~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
app.simprep.ai 2026-06-17 11:10:47.315
staging.simprep.ai 2026-06-22 21:06:26.745
api.simprep.ai 2026-05-26 11:07:18.608
auth.simprep.ai 2026-06-14 22:23:29.853
simprep.ai 2026-05-31 12:09:40.713
staging.api.simprep.ai 2026-06-23 12:03:28.298
staging.auth.simprep.ai
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

Subject: auth.simprep.ai
Issuer: E8
SANs: auth.simprep.ai
Subject: api.simprep.ai
Issuer: E8
SANs: api.simprep.ai

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.

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
MX 20 mx2.zoho.com 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713
NS ns46.domaincontrol.com 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713
NS ns45.domaincontrol.com 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713
TXT v=spf1 include:dc-8e814c8572._spfm.simprep.ai ~all 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713
MX 50 mx3.zoho.com 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713
A 216.24.57.1 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713
MX 10 mx.zoho.com 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713
TXT google-site-verification=RaQshhvmrtMJByY95s0ZxlHFAXsTs-irGG_xji6FoK4 2026-05-31 12:09:40.713 2026-05-31 12:09:40.713