Check-Host.cc

Domain

master.web

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

Run a live full scan of master.web

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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

DNS Records

A
127.0.53.53
AAAA
MX
10 your-dns-needs-immediate-attention.web
NS
TXT
Your DNS configuration needs immediate attention see https://icann.org/namecollision
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: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: master.web1.delicias-uk.com
Issuer: master.web1.delicias-uk.com
SANs: autodiscover.master.web1.delicias-uk.com, cpanel.master.web1.delicias-uk.com, cpcalendars.master.web1.delicias-uk.com, cpcontacts.master.web1.delicias-uk.com, mail.master.web1.delicias-uk.com, master.web1.delicias-uk.com, webdisk.master.web1.delicias-uk.com, webmail.master.web1.delicias-uk.com, whm.master.web1.delicias-uk.com, www.master.web1.delicias-uk.com
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: Master.web
Issuer: link.home
SANs: Master.web, mediarouter.home, mediarouter1.home, mediarouter2.home, mediarouter3.home
Subject: master.webserv.agris.pt
Issuer: master.webserv.agris.pt
SANs: autodiscover.master.webserv.agris.pt, cpanel.master.webserv.agris.pt, cpcalendars.master.webserv.agris.pt, cpcontacts.master.webserv.agris.pt, mail.master.webserv.agris.pt, master.webserv.agris.pt, webdisk.master.webserv.agris.pt, webmail.master.webserv.agris.pt, www.master.webserv.agris.pt
Subject: pcmaster.web.id
Issuer: Default_CA_mQCiV77ynAmyB3e
SANs: 202.65.235.126, demo.pc-master.biz, demo.pc-master.web.id, pcmaster.web.id
Subject: icinga-master.webarchitects.org.uk
Issuer: YR1
SANs: icinga-master.webarchitects.org.uk
Subject: master.web5.sitedns.pt
Issuer: master.web5.sitedns.pt
SANs: autodiscover.master.web5.sitedns.pt, cpanel.master.web5.sitedns.pt, cpcalendars.master.web5.sitedns.pt, cpcontacts.master.web5.sitedns.pt, mail.master.web5.sitedns.pt, master.web5.sitedns.pt, webdisk.master.web5.sitedns.pt, webmail.master.web5.sitedns.pt, whm.master.web5.sitedns.pt, www.master.web5.sitedns.pt
Subject: master.webplace.com.br
Issuer: R12
SANs: master.webplace.com.br
Subject: master.web1.delicias-uk.com
Issuer: master.web1.delicias-uk.com
SANs: autodiscover.master.web1.delicias-uk.com, cpanel.master.web1.delicias-uk.com, cpcalendars.master.web1.delicias-uk.com, cpcontacts.master.web1.delicias-uk.com, mail.master.web1.delicias-uk.com, master.web1.delicias-uk.com, webdisk.master.web1.delicias-uk.com, webmail.master.web1.delicias-uk.com, whm.master.web1.delicias-uk.com, www.master.web1.delicias-uk.com
Subject: master.webaccountpanel.com
Issuer: R12
SANs: master.webaccountpanel.com
Subject: master.webadasi.com
Issuer: E7
SANs: master.webadasi.com
Subject: master.webserv.agris.pt
Issuer: master.webserv.agris.pt
SANs: autodiscover.master.webserv.agris.pt, cpanel.master.webserv.agris.pt, cpcalendars.master.webserv.agris.pt, cpcontacts.master.webserv.agris.pt, mail.master.webserv.agris.pt, master.webserv.agris.pt, webdisk.master.webserv.agris.pt, webmail.master.webserv.agris.pt, www.master.webserv.agris.pt

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
MX 10 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
TXT Your DNS configuration needs immediate attention see https://icann.org/namecollision 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _carddav._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _xmpp-client._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _autodiscover._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _sip._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _xmpp-server._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _caldav._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _matrix._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _sipfederationtls._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
SRV _sips._tcp 10 10 0 your-dns-needs-immediate-attention.web 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928
A 127.0.53.53 2026-07-24 01:14:33.255 2026-07-28 03:34:46.928