Check-Host.cc

Domain

plesner.com

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

Run a live full scan of plesner.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
7
A/AAAA targets
Subdomains
10
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
5
in our scans

DNS Records

A
82.103.129.185
AAAA
MX
0 frontmta.hostedsepo.dk
NS
dns1.cscdns.net, dns2.cscdns.net
TXT
MDAyMzkxMjRwbGVzbmVy, MS=ms43282205, anthropic-domain-verification-xym44v=oIdsasn8ZrUzMq8WtD7d56k4z, apple-domain-verification=GQM3hcl4aArib5Rb, docusign=06076190-7ad3-4a54-8b21-8a9a9c1af77e, gMWMM3Iji5l0sEirlrobGLRVS6vElu4VXqxeRnI4419Ytbt7Hk5ZSwGqvvXfmXJ6ksXJOjdC7+ZLe6SCqJUbtA==, globalsign-domain-verification=B7hNFAUFY1JAo3--tFmitotiKLWTgxDdOvgJ37NTJ6, globalsign-domain-verification=GP7NrWm5UX3jb79CNiN6k8iQzBDCCwyCxiWOMdZKlM
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: *.Plesner.com
Issuer: GlobalSign RSA OV SSL CA 2018
SANs: *.Plesner.com, Plesner.com, plssccmcmg.plesner.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.

Origin IP Origin ASN CDN ASN Confidence Reasoning
184.84.106.140 AS55836 AS13335 95% cert 8e01f4b9… served by 184.84.106.140 (AS55836) carries SAN webroom.plesner.com which currently resolves through Cloudflare (AS13335) at 104.18.7.156, 104.18.6.156
104.85.144.193 AS55836 AS13335 95% cert 8e01f4b9… served by 104.85.144.193 (AS55836) carries SAN webroom.plesner.com which currently resolves through Cloudflare (AS13335) at 104.18.7.156, 104.18.6.156
155.46.185.19 AS57187 AS13335 95% cert 69638167… served by 155.46.185.19 (AS57187) carries SAN webroom.plesner.com which currently resolves through Cloudflare (AS13335) at 104.18.1.183, 104.18.0.183
155.46.181.19 AS15830 AS13335 95% cert 69638167… served by 155.46.181.19 (AS15830) carries SAN webroom.plesner.com which currently resolves through Cloudflare (AS13335) at 104.18.1.183, 104.18.0.183
155.46.178.19 AS7381 AS13335 95% cert 37086c00… served by 155.46.178.19 (AS7381) carries SAN webroom.plesner.com which currently resolves through Cloudflare (AS13335) at 104.18.1.183, 104.18.0.183
194.182.6.167 AS42525 AS8075 95% cert 1efad80c… served by 194.182.6.167 (AS42525) carries SAN plssccmcmg.plesner.com which currently resolves through Microsoft (AS8075) at 52.174.40.240
155.46.183.32 AS8681 AS13335 95% cert 9a24fc48… served by 155.46.183.32 (AS8681) carries SAN webroom.plesner.com which currently resolves through Cloudflare (AS13335) at 104.18.1.183, 104.18.0.183
155.46.188.19 AS15533 AS13335 95% cert 69638167… served by 155.46.188.19 (AS15533) carries SAN webroom.plesner.com which currently resolves through Cloudflare (AS13335) at 104.18.1.183, 104.18.0.183

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

4bcdea4add1282f3… google · argon2026h2
Subject: *.Plesner.com
Issuer: GlobalSign RSA OV SSL CA 2018
SANs: *.Plesner.com, plssccmcmg.plesner.com, Plesner.com
Valid: 2025-09-23 09:48:18 → 2026-10-24 13:37:52
79a138cabd8775de… google · argon2026h2
Subject: *.Plesner.com
Issuer: GlobalSign RSA OV SSL CA 2018
SANs: *.Plesner.com, plssccmcmg.plesner.com, Plesner.com
Valid: 2025-09-23 07:18:14 → 2026-10-24 13:37:52
da7a684fc3e1d325… google · argon2026h2
Subject: *.Plesner.com
Issuer: GlobalSign RSA OV SSL CA 2018
SANs: *.Plesner.com, plssccmcmg.plesner.com, Plesner.com
Valid: 2025-09-22 13:37:53 → 2026-10-24 13:37:52

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
TXT google-site-verification=QyboO-CGyiRfB53ZHfgW_5Kxe284UV2WKMRtfvvjIlg 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT xl18s8wwlxz2qflsbr7f3pmybnlbfzny 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT mistral-domain-verification=05fecbc92cc0a80a67c093c154a6591ac3ea0d05 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
A 82.103.129.185 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT openai-domain-verification=dv-B3zWDNTjYWCBBK5GPKJsPo8z 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT google-site-verification=h2N6G9nTlXk3_54CYe5EVXFHyLFBOQwHjPxd69X-s9g 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT MDAyMzkxMjRwbGVzbmVy 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT v=spf1 ip4:194.182.6.184 ip4:194.182.6.185 ip4:194.182.6.186 ip4:194.182.6.187 ip4:194.182.6.164 include:spf.topdesk.net include:spf.mailanyone.net include:_spf.defgo.net include:servers.mcsv.net include:spf.protection.outlook.com include:o._spf.hostedsepo.dk include:spf-inm.eqs-service.com include:_spf.intility.com -all 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT globalsign-domain-verification=GP7NrWm5UX3jb79CNiN6k8iQzBDCCwyCxiWOMdZKlM 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT vCyYbqygFpT3eLCIsjjRUpVLdtvwFG2sWaAX9AlZRrlkmocSNeSAlm6zR6A+IEvm89YXfRqicn7ubUPR+twxrQ== 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT apple-domain-verification=GQM3hcl4aArib5Rb 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT globalsign-domain-verification=bhtJRZtzSdz34rK8TJfR7VQz6jGP16QsDfCqPnVPhg 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT MS=ms43282205 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
SRV _autodiscover._tcp 0 0 443 autodiscover.plesner.com 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT docusign=06076190-7ad3-4a54-8b21-8a9a9c1af77e 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT gMWMM3Iji5l0sEirlrobGLRVS6vElu4VXqxeRnI4419Ytbt7Hk5ZSwGqvvXfmXJ6ksXJOjdC7+ZLe6SCqJUbtA== 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
NS dns1.cscdns.net 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT globalsign-domain-verification=wf4EsO87ugP164BBsfD-B2APOX7vZ3mvoxCNRd6kKP 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT anthropic-domain-verification-xym44v=oIdsasn8ZrUzMq8WtD7d56k4z 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT globalsign-domain-verification=B7hNFAUFY1JAo3--tFmitotiKLWTgxDdOvgJ37NTJ6 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT j78wkxk91b1q2kybqy47yr51w1z3lf7m 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
MX 0 frontmta.hostedsepo.dk 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
NS dns2.cscdns.net 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
SRV _sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935
TXT hp-techpulse-domain-verification=22d3b46a-5d96-427b-aa6b-4cddb07aec86 2026-05-27 13:29:41.935 2026-05-27 13:29:41.935