Domain
ost.dk
Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.
Run a live full scan of ost.dk
On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.
Hosting IPs
1
A/AAAA targets
Subdomains
721
CT + scan + body
Record Types
—
seen in DNS
Observed Certs
1
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
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 |
|---|---|---|
| 232817c6-f3b7-4cf6-9284-fd28b09ec2b8.ost.dk | 1970-01-01 00:00:00.000 | |
| 420a0aaa-d818-4b05-80f0-f32835320470.ost.dk | 2026-07-19 06:49:01.391 | |
| 779ad2b4-275f-4385-89ac-443903c15968.ost.dk | 1970-01-01 00:00:00.000 | |
| account.ost.dk | 2026-07-19 22:22:00.567 | |
| accounts.ost.dk | 2026-07-19 22:22:00.567 | |
| admin.nvdi.ost.dk | 2026-06-16 17:23:13.893 | |
| admin.ost.dk | 2026-07-19 22:22:00.567 | |
| administrator.ost.dk | 2026-07-19 22:22:00.567 | |
| agrkipvf.ost.dk | 1970-01-01 00:00:00.000 | |
| alertmanager.ost.dk | 2026-07-19 22:22:00.567 | |
| alpha.ost.dk | 2026-07-19 22:22:00.567 | |
| analytic.ost.dk | 1970-01-01 00:00:00.000 | |
| aniqmail.ost.dk | 1970-01-01 00:00:00.000 | |
| anyhts3.ost.dk | 1970-01-01 00:00:00.000 | |
| api-v1.ost.dk | 2026-07-19 22:22:00.567 | |
| api-v2.ost.dk | 2026-07-19 22:22:00.567 | |
| api.asavpn.ost.dk | 2026-06-16 05:38:40.313 | |
| api.ost.dk | 2026-07-19 22:22:00.567 | |
| api1.ost.dk | 2026-07-19 22:22:00.567 | |
| api2.ost.dk | 2026-07-19 22:22:00.567 | |
| app.ost.dk | 2026-07-19 22:22:00.567 | |
| app.webvpn.ost.dk | 2026-07-17 14:44:22.359 | |
| apps.ost.dk | 2026-07-19 22:22:00.567 | |
| archive.ost.dk | 2026-07-19 22:22:00.567 | |
| argocd.ost.dk | 2026-07-19 22:22:00.567 | |
| artifactory.ost.dk | 2026-07-19 22:22:00.567 | |
| asa.ost.dk | 1970-01-01 00:00:00.000 | |
| asavpn.ost.dk | 1970-01-01 00:00:00.000 | |
| assets.ost.dk | 2026-07-19 22:22:00.567 | |
| auth.ost.dk | 2026-07-19 22:22:00.567 | |
| autoconfig.ost.dk | 2026-07-19 22:22:00.567 | |
| autodiscover.ost.dk | 2026-07-19 22:22:00.567 | |
| backup.ost.dk | 2026-07-19 22:22:00.567 | |
| backups.ost.dk | 2026-07-19 22:22:00.567 | |
| balancer.ost.dk | 2026-07-19 22:22:00.567 | |
| bamboo.ost.dk | 2026-07-19 22:22:00.567 | |
| bastion.ost.dk | 2026-07-19 22:22:00.567 | |
| beta.ost.dk | 2026-07-19 22:22:00.567 | |
| billing.ost.dk | 2026-07-19 22:22:00.567 | |
| bitbucket.ost.dk | 2026-07-19 22:22:00.567 | |
| blackh.ost.dk | 1970-01-01 00:00:00.000 | |
| blog.ost.dk | 2026-07-19 22:22:00.567 | |
| blog.post.ost.dk | 2026-06-03 18:14:53.814 | |
| bounce.ost.dk | 2026-07-19 22:22:00.567 | |
| bqykovml.ost.dk | 2026-05-31 22:18:51.493 | |
| build.ost.dk | 2026-07-19 22:22:00.567 | |
| buy.ost.dk | 2026-07-19 22:22:00.567 | |
| cache.ost.dk | 2026-07-19 22:22:00.567 | |
| cacti.ost.dk | 2026-07-19 22:22:00.567 | |
| canary.ost.dk | 2026-07-19 22:22:00.567 | |
| cart.ost.dk | 2026-07-19 22:22:00.567 | |
| cd.ost.dk | 2026-07-19 22:22:00.567 | |
| cdn.ost.dk | 2026-07-19 22:22:00.567 | |
| cdvgquxw.ost.dk | 1970-01-01 00:00:00.000 | |
| chat.checkout.ost.dk | 1970-01-01 00:00:00.000 | |
| checkout.ost.dk | 2026-07-19 22:22:00.567 | |
| ci.ost.dk | 2026-07-19 22:22:00.567 | |
| cidaufoe.ost.dk | 1970-01-01 00:00:00.000 | |
| circleci.ost.dk | 2026-07-19 22:22:00.567 | |
| cisco.ost.dk | 1970-01-01 00:00:00.000 | |
| ckmyzmta-sts.exmail2.ost.dk | 1970-01-01 00:00:00.000 | |
| client.ost.dk | 1970-01-01 00:00:00.000 | |
| cloud.cloud.ost.dk | 1970-01-01 00:00:00.000 | |
| cloud.juulfr.ost.dk | 2026-07-17 01:46:02.721 | |
| cloudapp.ost.dk | 1970-01-01 00:00:00.000 | |
| cloudvpn.ost.dk | 2026-06-23 19:42:44.568 | |
| community.ost.dk | 2026-07-19 22:22:00.567 | |
| confluence.ost.dk | 2026-07-19 22:22:00.567 | |
| connectvpn.ost.dk | 1970-01-01 00:00:00.000 | |
| console.ost.dk | 2026-07-19 22:22:00.567 | |
| control.ost.dk | 2026-07-19 22:22:00.567 | |
| corp.ost.dk | 2026-07-19 22:22:00.567 | |
| cp.ost.dk | 2026-07-19 22:22:00.567 | |
| cpanel.cloud.ost.dk | 2026-07-17 14:33:39.725 | |
| cpanel.ost.dk | 2026-07-19 22:22:00.567 | |
| cpcalendars.ost.dk | 1970-01-01 00:00:00.000 | |
| cpcontacts.rdsfarm.ost.dk | 1970-01-01 00:00:00.000 | |
| crm.ost.dk | 1970-01-01 00:00:00.000 | |
| dashboard.ost.dk | 2026-07-19 22:22:00.567 | |
| database.ost.dk | 2026-07-19 22:22:00.567 | |
| datadog.ost.dk | 2026-07-19 22:22:00.567 | |
| db.ost.dk | 2026-07-19 22:22:00.567 | |
| def.ost.dk | 2026-06-23 12:06:40.727 | |
| demo.cloud.ost.dk | 1970-01-01 00:00:00.000 | |
| demo.ost.dk | 2026-07-19 22:22:00.567 | |
| deploy.ost.dk | 2026-07-19 22:22:00.567 | |
| desktopstudent.ost.dk | 1970-01-01 00:00:00.000 | |
| dev.ost.dk | 2026-07-19 22:22:00.567 | |
| dev.post.ost.dk | 2026-07-27 09:00:22.844 | |
| develop.ost.dk | 2026-07-19 22:22:00.567 | |
| development.ost.dk | 2026-07-19 22:22:00.567 | |
| digitalp.ost.dk | 1970-01-01 00:00:00.000 | |
| directadmin.ost.dk | 2026-07-19 22:22:00.567 | |
| dl.ost.dk | 2026-07-19 22:22:00.567 | |
| dns.ost.dk | 2026-07-19 22:22:00.567 | |
| dns1.ost.dk | 2026-07-19 22:22:00.567 | |
| dns2.ost.dk | 2026-07-19 22:22:00.567 | |
| docker.ost.dk | 2026-07-19 22:22:00.567 | |
| docs.apl.ost.dk | 2026-06-16 18:36:26.680 | |
| docs.ost.dk | 2026-07-19 22:22:00.567 | |
| documentation.ost.dk | 2026-07-19 22:22:00.567 | |
| downloads.ost.dk | 2026-07-19 22:22:00.567 | |
| dpxgbsecureportal.ost.dk | 2026-07-16 07:59:29.253 | |
| drvpn.ost.dk | 1970-01-01 00:00:00.000 | |
| dtp.ost.dk | 2026-07-23 18:18:41.222 | |
| ebmail05.ost.dk | 2026-06-19 06:43:28.397 | |
| edge.ost.dk | 2026-07-19 22:22:00.567 | |
| elastic.ost.dk | 2026-07-19 22:22:00.567 | |
| en.cloud.ost.dk | 2026-07-16 00:40:05.979 | |
| encrypt.ost.dk | 2026-07-19 22:22:00.567 | |
| eposta.ost.dk | 2026-06-20 22:01:21.599 | |
| es.ost.dk | 2026-07-19 22:22:00.567 | |
| events.ost.dk | 2026-07-19 22:22:00.567 | |
| ex02.ost.dk | 1970-01-01 00:00:00.000 | |
| exch2016.ost.dk | 2026-07-17 12:46:11.114 | |
| exchange.ost.dk | 2026-07-19 22:22:00.567 | |
| exchmail.ost.dk | 2026-06-16 12:30:29.999 | |
| expxhmta-sts.mobileconnect.ost.dk | 2026-07-18 00:57:28.822 | |
| files.ost.dk | 2026-07-19 22:22:00.567 | |
| firewall.ost.dk | 2026-07-19 22:22:00.567 |
Tech Stack
Tech detection pending
Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.
TLS Certificates
Subject: *.kost.dk
Issuer: GlobalSign GCC R6 AlphaSSL CA 2025
SANs: *.kost.dk, kost.dk
Subject: node4.ishost.dk
Issuer: YE1
SANs: node4.ishost.dk
Subject: secure.welcomepost.dk
Issuer: DigiCert TLS RSA SHA256 2020 CA1
SANs: secure.welcomepost.dk, www.secure.welcomepost.dk
Subject: ns1.bghost.dk
Issuer: YR2
SANs: ns1.bghost.dk
Subject: web23.redhost.dk
Issuer: YR1
SANs: web23.redhost.dk
Subject: *.ai-boost.dk
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.ai-boost.dk, ai-boost.dk
Subject: web23.redhost.dk
Issuer: YR1
SANs: web23.redhost.dk
Subject: serverside.champost.dk
Issuer: WR3
SANs: serverside.champost.dk
Subject: customersprd.hkiost.dk
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: customersprd.hkiost.dk, customerstst.hkiost.dk, ordersprd.hkiost.dk, orderstst.hkiost.dk, productsprd.hkiost.dk, productstst.hkiost.dk
Subject: *.ai-boost.dk
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.ai-boost.dk, ai-boost.dk
Subject: 360host.dk
Issuer: YR2
SANs: 360host.dk
Subject: unixhost.dk
Issuer: YE2
SANs: *.unixhost.dk, unixhost.dk
Subject: slotapi.libhost.dk
Issuer: E8
SANs: slotapi.libhost.dk
Subject: cv.tdhost.dk
Issuer: YR1
SANs: cv.tdhost.dk
Subject: host.dkrihonninfotech.com
Issuer: YE2
SANs: host.dkrihonninfotech.com
Subject: server4.adhost.dk
Issuer: YR1
SANs: server4.adhost.dk
Subject: *.schost.dk
Issuer: RapidSSL TLS RSA CA G1
SANs: *.schost.dk, schost.dk
Subject: *.emshost.dk
Issuer: AffirmTrust Certificate Authority - DV1
SANs: *.emshost.dk, emshost.dk
Subject: *.tandpost.dk
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.tandpost.dk, tandpost.dk
Subject: vpn.mammenost.dk
Issuer: YR1
SANs: vpn.mammenost.dk
Subject: whoislookup.gigahost.dk
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: whoislookup.gigahost.dk, www.whoislookup.gigahost.dk
Subject: *.emshost.dk
Issuer: AffirmTrust Certificate Authority - DV1
SANs: *.emshost.dk, emshost.dk
Subject: *.tandpost.dk
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.tandpost.dk, tandpost.dk
Subject: blue1.tel.gigahost.dk
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: blue1.tel.gigahost.dk, www.blue1.tel.gigahost.dk
Subject: *.ai-boost.dk
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.ai-boost.dk, ai-boost.dk
Subject: *.inihost.dk
Issuer: GandiCert
SANs: *.inihost.dk, inihost.dk
Subject: ns1.bghost.dk
Issuer: R13
SANs: ns1.bghost.dk
Subject: serverside.champost.dk
Issuer: WR3
SANs: serverside.champost.dk
Subject: cv.tdhost.dk
Issuer: R13
SANs: cv.tdhost.dk
Subject: *.tandpost.dk
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.tandpost.dk, tandpost.dk
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.