Check-Host.cc

Domain

4f.com.pl

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

Run a live full scan of 4f.com.pl

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

DNS Records

A
104.110.240.169, 104.110.240.75, 104.110.240.97, 104.115.82.27, 104.115.82.32, 104.126.37.154, 104.126.37.186, 184.86.103.142
AAAA
2a02:26f0:1180:31::210:6ca, 2a02:26f0:1180:31::210:6dc, 2a02:26f0:1180:7b::215:1798, 2a02:26f0:1180:7b::215:17a7, 2a02:26f0:1700:11::b856:678e, 2a02:26f0:1700:11::b856:678f, 2a02:26f0:1700:11::b856:6792, 2a02:26f0:1700:1c::217:60e
MX
1 pmg.otcf.pl, 10 mail.4f.com.pl
NS
a1-208.akam.net, a11-65.akam.net, a2-64.akam.net, a20-65.akam.net, a7-64.akam.net, a8-66.akam.net
TXT
google-site-verification=Fl5NmxLOMle5V4AWD8MvT_AJQflFjxlmsTa2p_9IiKM, google-site-verification=sczNnjLUwNb1jEGZGD5TxR1RPPsOaIShlgB8e7pC-aM, mojecertpl-site-verification-VH8S10c4x7RnbrN6IkZftRliH5mOLej8
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
4f.com.pl 2026-07-24 22:16:03.807
4f-sub-api.4f.com.pl 2026-06-15 23:57:09.498
api-app.4f.com.pl 2026-06-15 23:57:09.498
cms-app.4f.com.pl 2026-06-15 23:57:09.498
codemate.4f.com.pl 2026-06-15 23:57:09.498
flareon.4f.com.pl 2026-06-15 23:57:09.498
qon.4f.com.pl
1970-01-01 00:00:00.000

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

20.215.192.240:443 href · ×22
20.215.193.90:443 href · ×11

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.

CT-Log Evidence

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

eccc9d81378f8196… sectigo · elephant2026h1
Subject: 4f.com.pl
Issuer: R13
SANs: 4f.com.pl, 4f.hr, 4f.ua, 4fstore.com, 4fstore.cz, 4fstore.de, 4fstore.ee, 4fstore.lt, 4fstore.lv, 4fstore.ro, 4fstore.sk, app.4f.com.pl, cdn.4f.com.pl, promobox.4f.com.pl, uk.4fstore.com, us.4fstore.com, www.4f.com.pl, www.4f.hr, www.4f.ua, www.4fstore.com, www.4fstore.cz, www.4fstore.de, www.4fstore.ee, www.4fstore.lt, www.4fstore.lv, www.4fstore.ro, www.4fstore.sk
Valid: 2026-02-01 23:39:08 → 2026-05-02 23:39:07
89c844f6e27d2653… cloudflare · nimbus2026
Subject: 4f.com.pl
Issuer: R12
SANs: 4f.com.pl, 4f.hr, 4f.ua, 4fstore.com, 4fstore.cz, 4fstore.de, 4fstore.ee, 4fstore.lt, 4fstore.lv, 4fstore.ro, 4fstore.sk, app.4f.com.pl, cdn.4f.com.pl, promobox.4f.com.pl, uk.4fstore.com, us.4fstore.com, www.4f.com.pl, www.4f.hr, www.4f.ua, www.4fstore.com, www.4fstore.cz, www.4fstore.de, www.4fstore.ee, www.4fstore.lt, www.4fstore.lv, www.4fstore.ro, www.4fstore.sk
Valid: 2025-11-24 00:33:24 → 2026-02-22 00:33:23
89c844f6e27d2653… sectigo · elephant2026h1
Subject: 4f.com.pl
Issuer: R12
SANs: 4f.com.pl, 4f.hr, 4f.ua, 4fstore.com, 4fstore.cz, 4fstore.de, 4fstore.ee, 4fstore.lt, 4fstore.lv, 4fstore.ro, 4fstore.sk, app.4f.com.pl, cdn.4f.com.pl, promobox.4f.com.pl, uk.4fstore.com, us.4fstore.com, www.4f.com.pl, www.4f.hr, www.4f.ua, www.4fstore.com, www.4fstore.cz, www.4fstore.de, www.4fstore.ee, www.4fstore.lt, www.4fstore.lv, www.4fstore.ro, www.4fstore.sk
Valid: 2025-11-24 00:33:24 → 2026-02-22 00:33:23
51497a33ab920774… google · argon2026h2
Subject: 4f.com.pl
Issuer: Amazon RSA 2048 M01
SANs: 4f.com.pl, *.4f.com.pl
Valid: 2025-10-01 00:00:00 → 2026-10-30 23:59:59
51497a33ab920774… cloudflare · nimbus2026
Subject: 4f.com.pl
Issuer: Amazon RSA 2048 M01
SANs: 4f.com.pl, *.4f.com.pl
Valid: 2025-10-01 00:00:00 → 2026-10-30 23:59:59
31254c468afbbc9a… google · argon2026h1
Subject: 4f.com.pl
Issuer: Amazon RSA 2048 M04
SANs: 4f.com.pl, *.4f.com.pl
Valid: 2025-05-23 00:00:00 → 2026-06-21 23:59:59
31254c468afbbc9a… google · xenon2026h1
Subject: 4f.com.pl
Issuer: Amazon RSA 2048 M04
SANs: 4f.com.pl, *.4f.com.pl
Valid: 2025-05-23 00:00:00 → 2026-06-21 23:59:59

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 1 pmg.otcf.pl 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
A 95.100.110.5 2026-05-27 11:25:54.013 2026-06-25 21:05:49.576
NS a7-64.akam.net 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
AAAA 2a02:26f0:e600::170f:b24b 2026-05-27 11:25:54.013 2026-06-26 01:05:02.691
NS a1-208.akam.net 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
NS a20-65.akam.net 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
NS a11-65.akam.net 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
TXT yahoo-verification-key=4woFVP59yiY0hT02Ng7szOPj1py10M7OGSDKRtjkUmQ= 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
AAAA 2a02:26f0:e600::170f:b233 2026-05-27 11:25:54.013 2026-06-26 01:05:02.691
MX 10 mail.4f.com.pl 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
NS a8-66.akam.net 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
TXT mojecertpl-site-verification-VH8S10c4x7RnbrN6IkZftRliH5mOLej8 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
TXT openai-domain-verification=dv-A0TFuNwpneXWtVPIlEfcM1Vz 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
TXT v=spf1 mx include:e4.expertsender.com include:pmg.4f.com.pl include:e.4f.com.pl ip4:89.171.114.122 ip4:161.35.42.186 include:spf.protection.outlook.com include:_spf.emaillabs.net.pl include:ecdp.app ~all 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
NS a2-64.akam.net 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
TXT google-site-verification=Fl5NmxLOMle5V4AWD8MvT_AJQflFjxlmsTa2p_9IiKM 2026-05-27 11:25:54.013 2026-07-24 22:16:03.807
A 95.100.110.22 2026-05-27 11:25:54.013 2026-06-25 21:05:49.576
A 184.86.103.199 2026-05-31 18:44:51.117 2026-06-26 00:43:22.407
A 184.86.103.204 2026-05-31 18:44:51.117 2026-06-26 00:43:22.407
AAAA 2a02:26f0:1700:11::b856:678e 2026-05-31 18:44:51.117 2026-06-26 02:05:01.915
AAAA 2a02:26f0:1700:11::b856:6792 2026-05-31 18:44:51.117 2026-06-26 02:05:01.915
A 23.3.88.226 2026-05-31 18:48:47.514 2026-06-05 12:56:22.098
A 23.3.88.217 2026-05-31 18:48:47.514 2026-06-05 12:56:22.098
A 104.110.240.97 2026-06-01 16:54:24.934 2026-07-24 22:16:03.807
A 104.110.240.169 2026-06-01 16:54:24.934 2026-07-24 22:16:03.807
A 184.86.103.142 2026-06-01 17:00:51.427 2026-06-05 14:09:03.518
AAAA 2a02:26f0:b200::58dd:1919 2026-06-01 17:00:51.427 2026-07-24 22:16:03.807
AAAA 2a02:26f0:b200::58dd:1988 2026-06-01 17:00:51.427 2026-07-24 22:16:03.807
A 184.86.103.146 2026-06-01 17:00:51.427 2026-06-05 14:09:03.518
A 95.101.79.24 2026-06-01 17:07:15.132 2026-06-25 15:43:18.830
A 95.101.79.41 2026-06-01 17:07:15.132 2026-06-25 15:43:18.830
AAAA 2a02:26f0:280:4::213:784c 2026-06-01 17:10:01.363 2026-06-05 17:59:10.031
AAAA 2a02:26f0:280:4::213:7863 2026-06-01 17:10:01.363 2026-06-05 17:59:10.031
A 95.101.79.97 2026-06-01 17:13:55.716 2026-06-25 23:06:40.295
A 2.17.22.16 2026-06-01 17:13:55.716 2026-06-25 23:06:40.295
AAAA 2a02:26f0:e600::170f:b2d9 2026-06-01 17:20:42.815 2026-06-05 14:42:40.945
AAAA 2a02:26f0:e600::170f:b2b0 2026-06-01 17:20:42.815 2026-06-05 14:42:40.945
AAAA 2a02:26f0:1700:1c::217:62d 2026-06-01 17:30:09.807 2026-06-25 21:14:10.817
AAAA 2a02:26f0:1700:1c::217:60e 2026-06-01 17:30:09.807 2026-06-25 21:14:10.817
AAAA 2a02:26f0:3500:18::1724:a28d 2026-06-01 17:44:14.145 2026-06-25 21:17:54.030
AAAA 2a02:26f0:3500:18::1724:a284 2026-06-01 17:44:14.145 2026-06-25 21:17:54.030
AAAA 2a02:26f0:c6::5f65:4f61 2026-06-01 17:50:49.788 2026-06-25 23:29:10.958
A 2.19.120.76 2026-06-01 17:50:49.788 2026-06-25 18:56:43.823
A 2.19.120.99 2026-06-01 17:50:49.788 2026-06-25 18:56:43.823
AAAA 2a02:26f0:c6::211:1610 2026-06-01 17:50:49.788 2026-06-25 23:29:10.958
A 2.19.96.210 2026-06-01 18:39:37.298 2026-06-26 02:00:25.155
A 2.19.97.10 2026-06-01 18:39:37.298 2026-06-26 02:00:25.155
AAAA 2a02:26f0:2780:70::215:ef06 2026-06-01 18:47:49.355 2026-06-01 18:47:49.355
AAAA 2a02:26f0:2780:70::215:ef0a 2026-06-01 18:47:49.355 2026-06-01 18:47:49.355
AAAA 2a02:26f0:7100::210:1a3 2026-06-01 19:03:36.179 2026-06-01 19:03:36.179
AAAA 2a02:26f0:7100::210:1e0 2026-06-01 19:03:36.179 2026-06-01 19:03:36.179
A 92.123.12.10 2026-06-01 19:17:32.473 2026-06-04 18:29:34.845
A 92.123.12.7 2026-06-01 19:17:32.473 2026-06-04 18:29:34.845
A 104.110.240.75 2026-06-01 19:21:06.276 2026-06-17 06:24:53.764
A 104.115.82.27 2026-06-01 19:37:33.154 2026-06-25 23:51:42.202
A 104.115.82.32 2026-06-01 19:37:33.154 2026-06-25 23:51:42.202
AAAA 2a02:26f0:280:14::5c7b:c0a 2026-06-01 19:43:46.544 2026-06-01 20:10:04.301
AAAA 2a02:26f0:280:14::5c7b:c07 2026-06-01 19:43:46.544 2026-06-01 20:10:04.301
A 2.18.64.15 2026-06-01 19:51:52.520 2026-06-01 21:31:20.733
A 2.18.64.7 2026-06-01 19:51:52.520 2026-06-25 23:29:10.958
A 88.221.24.90 2026-06-01 20:01:40.607 2026-06-25 18:16:47.405
A 88.221.24.50 2026-06-01 20:01:40.607 2026-06-25 18:16:47.405
AAAA 2a02:26f0:e600::170f:b211 2026-06-01 20:27:16.548 2026-06-05 09:00:16.497
A 104.126.37.154 2026-06-01 20:47:56.172 2026-06-26 01:09:13.487
A 104.126.37.186 2026-06-01 20:47:56.172 2026-06-26 01:09:13.487
A 92.123.12.178 2026-06-01 21:11:03.263 2026-06-25 20:22:31.777
A 92.123.12.176 2026-06-01 21:11:03.263 2026-06-25 20:22:31.777
A 2.23.7.27 2026-06-01 21:18:51.965 2026-06-25 20:36:31.703
A 2.23.7.34 2026-06-01 21:18:51.965 2026-06-01 21:18:51.965
AAAA 2a02:26f0:3500:18::1724:a293 2026-06-01 22:04:15.715 2026-06-01 22:04:15.715
AAAA 2a02:26f0:280:4::213:784b 2026-06-02 00:38:14.796 2026-06-02 01:44:34.951
A 2.16.6.9 2026-06-02 01:10:02.819 2026-06-02 01:10:02.819
A 2.16.6.12 2026-06-02 01:10:02.819 2026-06-02 01:10:02.819
A 92.123.12.182 2026-06-02 01:23:45.315 2026-06-02 03:10:38.229
AAAA 2a02:26f0:2c::213:600a 2026-06-02 01:47:33.598 2026-06-02 01:47:33.598
AAAA 2a02:26f0:2c::213:6020 2026-06-02 01:47:33.598 2026-06-02 01:47:33.598
A 2.18.64.25 2026-06-02 02:58:20.027 2026-06-25 23:29:10.958
A 2.16.1.185 2026-06-02 04:00:52.888 2026-06-02 04:00:52.888
A 2.16.1.163 2026-06-02 04:00:52.888 2026-06-02 04:00:52.888
A 95.100.110.9 2026-06-02 05:32:31.971 2026-06-02 14:35:55.958
A 23.55.163.155 2026-06-02 07:27:24.841 2026-06-25 21:14:10.817
AAAA 2a02:26f0:3100::210:6e9b 2026-06-02 08:14:08.799 2026-06-02 08:14:08.799
AAAA 2a02:26f0:1180:7b::215:1798 2026-06-02 08:56:04.469 2026-06-02 08:56:04.469
AAAA 2a02:26f0:1180:7b::215:17a7 2026-06-02 08:56:04.469 2026-06-02 08:56:04.469
A 95.101.74.119 2026-06-02 10:30:30.877 2026-06-25 08:54:37.714
A 95.101.74.86 2026-06-02 10:30:30.877 2026-06-25 08:54:37.714
AAAA 2a02:26f0:1700:11::b856:678f 2026-06-02 10:42:00.883 2026-06-02 14:10:58.831
A 184.86.103.143 2026-06-02 11:06:59.020 2026-06-02 12:04:22.172
A 95.101.79.9 2026-06-02 11:09:52.876 2026-06-02 14:55:20.342
A 184.86.103.84 2026-06-02 11:23:34.745 2026-06-02 11:23:34.745
A 184.86.103.71 2026-06-02 11:23:34.745 2026-06-02 11:23:34.745
A 184.86.103.208 2026-06-02 14:13:38.840 2026-06-02 14:50:08.681
A 23.36.162.212 2026-06-03 23:50:32.762 2026-06-26 00:57:05.179
A 23.36.162.223 2026-06-03 23:50:32.762 2026-06-26 00:57:05.179
AAAA 2a02:26f0:fe00::213:c381 2026-06-04 17:38:58.569 2026-06-25 14:35:31.647
AAAA 2a02:26f0:fe00::213:c382 2026-06-04 17:38:58.569 2026-06-25 14:35:31.647
A 95.100.158.107 2026-06-04 18:58:45.988 2026-06-26 00:09:52.280
AAAA 2a02:26f0:1180:31::210:6ca 2026-06-05 00:18:00.256 2026-06-05 18:18:49.371
AAAA 2a02:26f0:1180:31::210:6dc 2026-06-05 00:18:00.256 2026-06-05 18:18:49.371
AAAA 2a02:26f0:b200::58dd:191a 2026-06-05 07:30:56.214 2026-06-05 17:03:54.885
A 23.50.131.138 2026-06-05 10:47:55.812 2026-06-05 10:47:55.812
A 23.50.131.152 2026-06-05 10:47:55.812 2026-06-05 10:47:55.812
AAAA 2a02:26f0:480:3a::215:41cd 2026-06-05 10:51:39.460 2026-06-25 19:10:14.731
AAAA 2a02:26f0:480:3a::215:41e1 2026-06-05 10:51:39.460 2026-06-25 19:10:14.731
A 2.23.7.35 2026-06-05 16:17:43.351 2026-06-25 20:36:31.703
AAAA 2a02:26f0:c900:6::174c:cc15 2026-06-25 10:23:09.677 2026-06-25 10:23:09.677
AAAA 2a02:26f0:c900:6::174c:cc2c 2026-06-25 10:23:09.677 2026-06-25 10:23:09.677
AAAA 2a02:26f0:2c::213:615a 2026-06-25 10:41:02.210 2026-06-26 01:50:57.686
AAAA 2a02:26f0:2c::213:6132 2026-06-25 10:41:02.210 2026-06-26 01:50:57.686
A 2.16.27.90 2026-06-25 12:06:54.204 2026-06-25 12:12:09.222
A 2.16.27.73 2026-06-25 12:06:54.204 2026-06-25 12:12:09.222
AAAA 2a02:26f0:a00::17c7:4b3a 2026-06-25 13:29:15.164 2026-06-25 13:29:15.164
AAAA 2a02:26f0:a00::17c7:4b32 2026-06-25 13:29:15.164 2026-06-25 13:29:15.164
A 23.199.75.58 2026-06-25 13:29:15.164 2026-06-25 13:29:15.164
A 23.199.75.50 2026-06-25 13:29:15.164 2026-06-25 13:29:15.164
AAAA 2a02:26f0:fe00::686e:f0a9 2026-06-25 13:55:55.123 2026-06-25 13:55:55.123
AAAA 2a02:26f0:fe00::686e:f061 2026-06-25 13:55:55.123 2026-06-25 13:55:55.123
AAAA 2a02:26f0:c6::5f65:4f18 2026-06-25 18:01:18.739 2026-06-25 18:04:57.278
AAAA 2a02:26f0:c6::5f65:4f29 2026-06-25 18:01:18.739 2026-06-25 18:04:57.278
AAAA 2a02:26f0:1700:1c::217:61b 2026-06-25 18:38:45.326 2026-06-25 18:38:45.326
AAAA 2a02:26f0:1700:1c::217:626 2026-06-25 18:38:45.326 2026-06-25 18:38:45.326
AAAA 2a02:26f0:1700:1c::217:63c 2026-06-25 18:45:08.214 2026-06-25 18:45:08.214
TXT google-site-verification=sczNnjLUwNb1jEGZGD5TxR1RPPsOaIShlgB8e7pC-aM 2026-07-24 22:16:03.807 2026-07-24 22:16:03.807