Check-Host.cc

Domain

sofiatech.bg

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

Run a live full scan of sofiatech.bg

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
104.21.44.2, 172.67.192.137
AAAA
2606:4700:3033::6815:2c02, 2606:4700:3033::ac43:c089, 2606:4700:3034::ac43:c089, 2606:4700:3035::6815:2c02
MX
1 aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
josh.ns.cloudflare.com, naomi.ns.cloudflare.com
TXT
MS=95AAA80A123700EC12CCE07728F9B8D85E52C740, MS=ms17234994, brevo-code:a39a943b54a0a4a6841e7cab7af0749d, google-site-verification=LpiSe30KxCLRwjOwkOtRYOzf6hHaIn3s7f75TsGFHhY, v=spf1 +mx +a +ip4:164.138.221.28 +ip4:91.196.124.227 +ip4:91.196.125.227 +ip4:91.196.127.200 +ip4:217.174.149.166 +ip4:78.142.63.2 +ip4:84.242.158.105 +ip4:194.141.252.138 +ip4:91.238.251.241 +include:pandora.spf.superhosting.bg +include:smtp-out.spf.superhosting.bg +include:_spf.google.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

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: hpc-lab.sofiatech.bg
Issuer: R13
SANs: hpc-lab.sofiatech.bg
Subject: hpc-lab.sofiatech.bg
Issuer: R13
SANs: hpc-lab.sofiatech.bg

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
A 104.21.44.2 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
TXT v=spf1 +mx +a +ip4:164.138.221.28 +ip4:91.196.124.227 +ip4:91.196.125.227 +ip4:91.196.127.200 +ip4:217.174.149.166 +ip4:78.142.63.2 +ip4:84.242.158.105 +ip4:194.141.252.138 +ip4:91.238.251.241 +include:pandora.spf.superhosting.bg +include:smtp-out.spf.superhosting.bg +include:_spf.google.com ~all 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
TXT MS=ms17234994 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
A 172.67.192.137 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
MX 5 alt2.aspmx.l.google.com 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
MX 10 alt4.aspmx.l.google.com 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
MX 1 aspmx.l.google.com 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
TXT google-site-verification=LpiSe30KxCLRwjOwkOtRYOzf6hHaIn3s7f75TsGFHhY 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
AAAA 2606:4700:3034::ac43:c089 2026-06-18 07:04:06.396 2026-06-18 07:04:06.396
MX 5 alt1.aspmx.l.google.com 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
TXT brevo-code:a39a943b54a0a4a6841e7cab7af0749d 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
NS josh.ns.cloudflare.com 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
AAAA 2606:4700:3035::6815:2c02 2026-06-18 07:04:06.396 2026-06-18 07:04:06.396
MX 10 alt3.aspmx.l.google.com 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
TXT MS=95AAA80A123700EC12CCE07728F9B8D85E52C740 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
NS naomi.ns.cloudflare.com 2026-06-18 07:04:06.396 2026-07-30 20:11:42.826
AAAA 2606:4700:3033::6815:2c02 2026-07-22 06:27:37.217 2026-07-30 20:11:42.826
AAAA 2606:4700:3033::ac43:c089 2026-07-22 06:27:37.217 2026-07-30 20:11:42.826