Check-Host.cc

Domain

nk.pl

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

Run a live full scan of nk.pl

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
13.248.174.158, 76.223.36.217
AAAA
MX
NS
ns73.ringpublishing.net, ns74.ringpublishing.net, ns75.ringpublishing.net, ns76.ringpublishing.net
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: mobile.uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.uat2.citibank.ae, mobile.uat2.citibank.pl
Subject: mobile.uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.uat2.citibank.ae, mobile.uat2.citibank.pl
Subject: uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: uat.bswsx.citibankonline.pl, uat.project.citibank.ae, uat1.cbol.citibank.pl, uat2.cbol.citibank.pl, uat2.citibank.pl, uat3.citibank.pl
Subject: www.online.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: bswsx.citibankonline.pl, online.citibank.pl, www.citibank.pl, www.citibankonline.pl, www.citidirect.pl, www.citigold.pl, www.citihandlowy.pl, www.online.citibank.pl
Subject: *.mnk.pl
Issuer: RapidSSL TLS RSA CA G1
SANs: *.mnk.pl, mnk.pl
Subject: mobile.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.citibank.pl, www.mobile.citibank.pl
Subject: *.redlink.pl
Issuer: RapidSSL TLS RSA CA G1
SANs: *.redlink.pl, redlink.pl
Subject: link.playstationmusic.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: link.playstationmusic.com, www.link.playstationmusic.com
Subject: mobile.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.citibank.pl, www.mobile.citibank.pl
Subject: mobile.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.citibank.pl, www.mobile.citibank.pl
Subject: link.playstationmusic.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: link.playstationmusic.com, www.link.playstationmusic.com
Subject: mobile.uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.uat2.citibank.ae, mobile.uat2.citibank.pl
Subject: pracabank.pl
Issuer: YR1
SANs: pracabank.pl, www.pracabank.pl
Subject: uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: uat.bswsx.citibankonline.pl, uat.project.citibank.ae, uat1.cbol.citibank.pl, uat2.cbol.citibank.pl, uat2.citibank.pl, uat3.citibank.pl
Subject: mobile.uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.uat2.citibank.ae, mobile.uat2.citibank.pl
Subject: *.unilink.pl
Issuer: cyber_Folks
SANs: *.unilink.pl, unilink.pl
Subject: *.mnk.pl
Issuer: RapidSSL TLS RSA CA G1
SANs: *.mnk.pl, mnk.pl
Subject: link.playstationmusic.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: link.playstationmusic.com, www.link.playstationmusic.com
Subject: mobile.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.citibank.pl, www.mobile.citibank.pl
Subject: mail.korbank.pl
Issuer: YE2
SANs: mail.korbank.pl
Subject: api.emdrlink.pl
Issuer: E8
SANs: api.emdrlink.pl, app.emdrlink.pl
Subject: link.playstationmusic.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: link.playstationmusic.com, www.link.playstationmusic.com
Subject: pracabank.pl
Issuer: YR1
SANs: pracabank.pl, www.pracabank.pl
Subject: mobile.uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.uat2.citibank.ae, mobile.uat2.citibank.pl
Subject: mobile.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.citibank.pl, www.mobile.citibank.pl
Subject: ipam.dreamlink.pl
Issuer: YE2
SANs: ipam.dreamlink.pl
Subject: link.playstationmusic.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: link.playstationmusic.com, www.link.playstationmusic.com
Subject: www.online.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: bswsx.citibankonline.pl, online.citibank.pl, www.citibank.pl, www.citibankonline.pl, www.citidirect.pl, www.citigold.pl, www.citihandlowy.pl, www.online.citibank.pl
Subject: link.playstationmusic.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: link.playstationmusic.com, www.link.playstationmusic.com
Subject: mobile.uat2.citibank.pl
Issuer: DigiCert EV RSA CA G2
SANs: mobile.uat2.citibank.ae, mobile.uat2.citibank.pl

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 76.223.36.217 2026-05-26 06:54:22.814 2026-07-27 21:16:13.685
A 13.248.174.158 2026-05-26 06:54:22.814 2026-07-27 21:16:13.685
NS ns73.ringpublishing.net 2026-05-26 06:54:22.814 2026-07-27 21:16:13.685
NS ns74.ringpublishing.net 2026-05-26 06:54:22.814 2026-07-27 21:16:13.685
NS ns75.ringpublishing.net 2026-05-26 06:54:22.814 2026-07-27 21:16:13.685
NS ns76.ringpublishing.net 2026-05-26 06:54:22.814 2026-07-27 21:16:13.685