Check-Host.cc

Domain

this.1fastserver.com

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

Run a live full scan of this.1fastserver.com

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

DNS Records

A
69.10.36.210
AAAA
MX
NS
TXT
v=spf1 +mx +a +ip4:69.10.36.210 include:spf-c.mailbaby.net ~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

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: this.1fastserver.com
Issuer: this.1fastserver.com
SANs: this.1fastserver.com
Subject: this.1fastserver.com
Issuer: this.1fastserver.com
SANs: this.1fastserver.com
Subject: this.1fastserver.com
Issuer: this.1fastserver.com
SANs: this.1fastserver.com
Subject: this.1fastserver.com
Issuer: this.1fastserver.com
SANs: this.1fastserver.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.

909fba3c0a2d05c6… google · xenon2026h2
Subject: this.1fastserver.com
Issuer: R12
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2026-04-03 10:39:38 → 2026-07-02 10:39:37
3964bf8feb8f487a… sectigo · elephant2026h1
Subject: this.1fastserver.com
Issuer: R12
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2026-02-01 21:14:07 → 2026-05-02 21:14:06
1651ef0e164c7a5d… cloudflare · nimbus2026
Subject: this.1fastserver.com
Issuer: R13
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2025-12-02 22:06:27 → 2026-03-02 22:06:26
f180edab0246fae1… cloudflare · nimbus2026
Subject: this.1fastserver.com
Issuer: R13
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2025-12-02 22:06:27 → 2026-03-02 22:06:26
1651ef0e164c7a5d… sectigo · elephant2026h1
Subject: this.1fastserver.com
Issuer: R13
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2025-12-02 22:06:27 → 2026-03-02 22:06:26
f180edab0246fae1… sectigo · elephant2026h1
Subject: this.1fastserver.com
Issuer: R13
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2025-12-02 22:06:27 → 2026-03-02 22:06:26
8c750df53e1f6721… cloudflare · nimbus2026
Subject: this.1fastserver.com
Issuer: R13
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2025-10-03 09:06:51 → 2026-01-01 09:06:50
8c750df53e1f6721… google · xenon2026h1
Subject: this.1fastserver.com
Issuer: R13
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2025-10-03 09:06:51 → 2026-01-01 09:06:50
8c750df53e1f6721… sectigo · elephant2026h1
Subject: this.1fastserver.com
Issuer: R13
SANs: autoconfig.this.1fastserver.com, autodiscover.this.1fastserver.com, cpanel.this.1fastserver.com, cpcalendars.this.1fastserver.com, cpcontacts.this.1fastserver.com, ipv6.this.1fastserver.com, mail.this.1fastserver.com, this.1fastserver.com, webdisk.this.1fastserver.com, webmail.this.1fastserver.com, whm.this.1fastserver.com, www.this.1fastserver.com
Valid: 2025-10-03 09:06:51 → 2026-01-01 09:06:50

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 69.10.36.210 2026-05-26 13:19:28.643 2026-07-25 11:37:35.289
TXT v=spf1 +mx +a +ip4:69.10.36.210 include:spf-c.mailbaby.net ~all 2026-05-26 13:19:28.643 2026-07-25 11:37:35.289