Check-Host.cc

Domain

oslo.systems

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

Run a live full scan of oslo.systems

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
257
A/AAAA targets
Subdomains
199
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
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: prod.citykey.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: prod.citykey.oslo.systems
Subject: *.preview.booking-narnia-dev.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: *.preview.booking-narnia-dev.oslo.systems
Subject: pirates-eide-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: pirates-eide-dev.oslo.systems
Subject: pirates-eide-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: pirates-eide-dev.oslo.systems
Subject: lb.fritidskort-dev.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: lb.fritidskort-dev.oslo.systems
Subject: punkt-dev.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: punkt-dev.oslo.systems
Subject: fasit-dev.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: fasit-dev.oslo.systems
Subject: ki-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: ki-dev.oslo.systems
Subject: punkt-dev.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: punkt-dev.oslo.systems
Subject: veiviser.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: veiviser.oslo.systems
Subject: pirates-prod.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: pirates-prod.oslo.systems
Subject: veiviser.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: veiviser.oslo.systems
Subject: pirates-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: pirates-dev.oslo.systems
Subject: grafana.infoflyt.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: grafana.infoflyt.oslo.systems
Subject: fasit-dev.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: fasit-dev.oslo.systems
Subject: booking.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: booking.oslo.systems
Subject: prod.citykey.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: prod.citykey.oslo.systems
Subject: grafana.data-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: grafana.data-dev.oslo.systems
Subject: ki-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: ki-dev.oslo.systems
Subject: booking.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: booking.oslo.systems
Subject: public.vitalia-dev.oslo.systems
Issuer: Amazon RSA 2048 M02
SANs: public.vitalia-dev.oslo.systems
Subject: pirates-eide-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: pirates-eide-dev.oslo.systems
Subject: pirates-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: pirates-dev.oslo.systems
Subject: pirates-eide-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: pirates-eide-dev.oslo.systems
Subject: veiviser-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: veiviser-dev.oslo.systems
Subject: grafana.infoflyt-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: grafana.infoflyt-dev.oslo.systems
Subject: barnehagepris-prod.oslo.systems
Issuer: Amazon RSA 2048 M02
SANs: barnehagepris-prod.oslo.systems
Subject: public.infoflyt-dev.oslo.systems
Issuer: Amazon RSA 2048 M01
SANs: public.infoflyt-dev.oslo.systems
Subject: grafana.data-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: grafana.data-dev.oslo.systems
Subject: data-dev.oslo.systems
Issuer: Amazon RSA 2048 M04
SANs: data-dev.oslo.systems

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

Domain timeline pending

Passive-DNS history accumulates as our forward-DNS crawler observes A/AAAA/MX/NS/TXT records over time.