FOFA Search Engine

81.91.85.50:53

53 UDP / dns

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-05-01

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9 \x81\x05\x00\x01\x00\x00\x00\x00\x00\x00\x08clients1\x06google\x03com\x00\x00\x01\x00\x01 \x00\x06\x85\x00\x00\x01\x00\x01\x00\x00\x00\x00\x07version\x04bind\x00\x00\x10\x00\x03\xc0\x00\x10\x00\x03\x00\x00\x00\x00\x00 \x1f9.18.30-0ubuntu0.22.04.2-Ubuntu

81.91.85.50:995

995 pop3s

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-30

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+OK Dovecot (Ubuntu) ready.

Issuer

Organization:

CommonName:d334

Validity

ValidType:Untrust

Subject

Organization:

CommonName:d334

Version: v3 Serial Number: 612909258621424431320789900823805073517029470454 Signature Algorithm: SHA256-RSA Issuer: CommonName: d334 Validity: Not Before: 2023-07-24 16:27 UTC Not After : 2033-07-21 16:27 UTC Subject: CommonName: d334 Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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ubject Key Identifier: A0:26:2B:9E:CF:1F:67:4D:8D:6A:D5:E7:A6:B1:13:3E:60:67:4B:E9 Basic Constraints: CA : false Path Length Constraint: UNLIMITED DNS Names: d334 Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

81.91.85.50

80 http

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-30

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HTTP/1.1 301 Moved Permanently Date: Tue, 29 Apr 2025 22:34:34 GMT Server: Apache Location: https://81.91.85.50:80/ Content-Length: 231 Content-Type: text/html; charset=iso-8859-1

81.91.85.50:110

110 pop3s

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-30

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CName

+OK Dovecot (Ubuntu) ready.

Issuer

Organization:

CommonName:d334

Validity

ValidType:Untrust

Subject

Organization:

CommonName:d334

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81.91.85.50:22

22 ssh

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-29

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SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.13 server_host_key: fingerprint:uXk99xi+XqdIXOnJ+bDyN8tG4zvyFY35YaMiXKNcVBQ fingerprint_sha256:b9793df718be5ea7485ce9c9f9b0f237cb46e33bf2158df961a3225ca35c5414

81.91.85.50:21

21 ftp

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-29

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220 ProFTPD Server (Debian) [::ffff:81.91.85.50]

Issuer

Organization:Self-signed for web4u.panoramas.cz

CommonName:web4u.panoramas.cz

Validity

ValidType:SelfSigned

Subject

Organization:Self-signed for web4u.panoramas.cz

CommonName:web4u.panoramas.cz

Version: v3 Serial Number: 509492286002963452223828134435619650662483624876 Signature Algorithm: SHA256-RSA (self-signed) Issuer: CommonName: web4u.panoramas.cz Country: US Locality: Santa Clara Organization: Self-signed for web4u.panoramas.cz Validity: Not Before: 2023-07-24 18:28 UTC Not After : 2033-07-21 18:28 UTC Subject: CommonName: web4u.panoramas.cz Country: US Locality: Santa Clara Organization: Self-signed for web4u.panoramas.cz Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: FF:43:05:27:85:F9:09:BB:87:75:A4:49:EB:AF:39:9A:0D:FD:A6:C8 Subject Key Identifier: FF:43:05:27:85:F9:09:BB:87:75:A4:49:EB:AF:39:9A:0D:FD:A6:C8 Basic Constraints: CA : true Path Length Constraint: UNLIMITED Extended Key Usage: Server Auth DNS Names: web4u.panoramas.cz localhost Certificate Signature Algorithm: SHA256-RSA Certificate Signature: 8E:78:E4:11:D0:14:14:D9:BE:1F:7A:D6:BE:A9:4B:05: 43:F7:D5:C8:54:4C:53:50:6E:CE:1A:F6:37:1A:CA:27: E3:E8:FE:96:E3:A6:62:17:C4:1C:52:1A:03:22:74:72: 5E:72:39:2A:B6:0F:C3:F2:40:BE:1E:9E:95:95:2C:9A: DB:A5:E2:B7:BF:FB:92:A4:B7:39:6F:78:D9:4B:C2:FF: 9F:2F:2C:80:31:E9:23:61:8D:18:9A:24:14:90:C4:C2: A5:0E:25:F6:69:28:E6:97:29:A3:DD:2B:4A:4C:A3:9F: 3E:08:32:9E:AC:EA:AC:B9:A5:26:EF:C9:41:59:EE:39: E6:D0:95:13:65:6E:69:0A:B2:62:B0:BC:52:D9:B2:86: DC:2F:E1:95:27:69:BC:60:98:F8:3E:23:65:BE:7F:03: D0:B1:94:9D:A1:68:16:9E:4D:C2:3B:20:88:31:D4:E9: C5:A4:DC:59:26:EA:02:55:2C:16:88:51:7E:A8:95:BE: FD:33:F5:B4:8F:DA:2A:7A:0D:E8:18:8D:E9:A6:8B:11: 42:20:1E:EB:B5:50:46:7F:64:55:7C:C4:75:A9:A0:61: 1F:7D:1E:D8:F6:C5:6C:0D:F6:51:C0:EE:E3:98:68:B5: 9F:97:86:6F:F5:05:DC:65:DF:43:13:41:70:2C:CD:90

81.91.85.50:2222

2222 ssh

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-29

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SSH-2.0-mod_sftp \x00\x00\x03d\x14\xe6\xa8\xf1?\x16\xb7v\x8b\xa0\xf4\xee@\xaf렆\x00\x00\x01=curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-group18-sha512,diffie-hellman-group16-sha512,diffie-hellman-group14-sha256,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,rsa1024-sha1,ext-info-s\x00\x00\x005ecdsa-sha2-nistp256,rsa-sha2-512,rsa-sha2-256,ssh-rsa\x00\x00\x00_aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,cast128-cbc,3des-ctr,3des-cbc\x00\x00\x00_aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,cast128-cbc,3des-ctr,3des-cbc\x00\x00\x00[hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96,umac-64@openssh.com,umac-128@openssh.com\x00\x00\x00[hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96,umac-64@openssh.com,umac-128@openssh.com\x00\x00\x00\x1azlib@openssh.com,zlib,none\x00\x00\x00\x1azlib@openssh.com,zlib,none\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00P%c\xe7\x06\xd9*D\x989_ server_host_key: fingerprint:t1tP1hpAZqTq97wDJobHCcHAGZcNdEIfBXVZEjQyXfg fingerprint_sha256:b75b4fd61a4066a4eaf7bc032686c709c1c019970d74421f0575591234325df8

81.91.85.50:25

25 smtp

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-29

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220 web4u.panoramas.cz ESMTP Postfix (Ubuntu) 250-web4u.panoramas.cz 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250-DSN 250-SMTPUTF8 250 CHUNKING 502 5.5.2 Error: command not recognized

https://81.91.85.50

443 https

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-28

Apache

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HTTP/1.1 301 Moved Permanently Date: Mon, 28 Apr 2025 15:37:14 GMT Server: Apache Location: https://www.81.91.85.50:443/ Content-Length: 236 Content-Type: text/html; charset=iso-8859-1

Issuer

Organization:2vvlakovna.cz

CommonName:*.2vvlakovna.cz

Validity

ValidType:SelfSigned

Subject

Organization:2vvlakovna.cz

CommonName:*.2vvlakovna.cz

Version: v3 Serial Number: 241585455458879065337641312434975456282440346573 Signature Algorithm: SHA256-RSA (self-signed) Issuer: Organization: 2vvlakovna.cz CommonName: *.2vvlakovna.cz Email Address: twovvlakovna@web4u.panoramas.cz Validity: Not Before: 2023-07-25 07:47 UTC Not After : 2028-07-23 07:47 UTC Subject: Organization: 2vvlakovna.cz CommonName: *.2vvlakovna.cz Email Address: twovvlakovna@web4u.panoramas.cz Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits) : D8:BE:90:29:73:DE:C7:3C:4C:00:B8:4E:0B:31:20:C4: A6:43:46:C7:D9:2B:53:0D:EF:18:B4:81:FD:DC:8B:55: 3A:C5:B4:72:70:44:81:BA:2C:57:2D:60:2E:00:AA:B1: A3:4F:46:62:B5:1E:0E:46:AE:02:A2:03:C6:24:B9:6B: EE:FD:8D:59:31:B4:1E:F7:9D:86:84:DF:23:B1:85:CA: 4F:3D:18:38:85:C6:D3:CE:B8:2F:05:19:A4:65:B4:F0: 80:3E:0E:C9:94:6A:DC:52:9C:D4:A5:6B:B9:A9:52:4C: 08:85:EB:D5:36:5E:4A:B7:A8:84:4B:69:4A:42:C3:54: 91:E0:22:B9:DE:31:BC:7B:E1:67:2F:EA:0F:80:19:91: 8B:27:50:B0:FC:B1:28:90:AF:ED:3A:0D:90:05:A8:19: 35:43:28:50:B6:0A:21:3D:B8:CB:CD:44:3F:A6:17:09: D8:EE:8D:D5:AD:F6:78:D0:25:20:EE:94:87:5A:5B:87: 38:5B:99:F3:D4:BC:0E:2E:C1:19:1D:BA:BD:BA:90:51: AE:E1:D8:22:3B:B6:B4:8B:67:AD:32:09:AB:4A:5C:D2: 5E:5A:F4:57:FB:49:49:F5:F8:5D:21:62:E8:D8:85:79: 34:95:31:57:49:A7:FF:C3:94:6C:34:40:D2:76:F3:C3 Authority Key Identifier: 3C:7F:74:65:D4:27:52:08:47:41:17:34:3A:63:29:3F:08:01:FE:07 Subject Key Identifier: 3C:7F:74:65:D4:27:52:08:47:41:17:34:3A:63:29:3F:08:01:FE:07 Basic Constraints: CA : true Path Length Constraint: UNLIMITED Extended Key Usage: Server Auth DNS Names: *.2vvlakovna.cz 2vvlakovna.cz localhost web4u.panoramas.cz web4u Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

81.91.85.50:10000

10000 http

81.91.85.50 81.91.85.50

country Czechia / Moravskoslezsky kraj / Hradec

ASN: 39790

Organization: Web4U s.r.o.

2025-04-26

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