| Hostnames |
imap.web4u.cz mail.web4u.cz mx.web4u.cz pop.web4u.cz pop3.web4u.cz smtp.web4u.cz smtp-dsn.web4u.cz |
| Domains | web4u.cz |
| Country | Czechia |
| City | Benešov |
| Organization | WEB4U - network |
| ISP | Web4U s.r.o. |
| ASN | AS39790 |
-1811860171 | 2025-01-10T02:05:51.30867525 / tcp
220 mx.web4u.cz ESMTP Postfix 250-mx.web4u.cz 250-PIPELINING 250-SIZE 51200000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250 8BITMIME
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:17:09:10:d5:06:cc:78:d4:98:1d:a8:e5:87:8a:c9:67:5d
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Let's Encrypt, CN=R10
Validity
Not Before: Dec 4 04:08:52 2024 GMT
Not After : Mar 4 04:08:51 2025 GMT
Subject: CN=mail.web4u.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a6:2a:dd:4d:39:e7:8b:80:bb:46:62:ee:76:fc:
be:8b:30:01:7e:97:10:71:5b:39:71:15:dc:a2:38:
2d:34:0d:47:f1:9c:54:b8:7d:16:08:5e:82:03:72:
f5:0a:31:09:af:3b:ca:3f:7d:ec:57:66:6e:96:f6:
df:39:b7:4e:37:0e:e5:a4:89:6b:e0:74:a5:31:b9:
38:4e:2f:e2:d9:39:56:10:2e:66:36:d0:dc:d6:e9:
e8:cf:0f:30:47:cc:de:6f:39:9e:66:45:82:a3:d6:
10:5e:06:90:01:cc:ce:7f:1e:d5:0e:3e:7f:2f:9b:
e9:03:c2:2c:77:6a:3c:74:6a:0f:77:c1:1e:69:81:
57:75:ab:56:ff:dd:df:67:be:53:01:22:7c:5d:9d:
5c:a9:eb:27:4d:84:b9:5d:13:16:83:f4:a3:03:32:
07:fb:92:ec:89:62:c9:3e:cc:72:ef:d4:ab:f8:da:
8b:a2:f0:70:07:a1:aa:80:cd:39:12:dc:81:ce:21:
43:a4:36:23:37:fd:10:e7:61:28:3c:de:2b:1b:42:
68:4f:8d:0e:ce:d3:a4:cf:f0:e4:13:96:fb:4d:86:
bf:9b:bb:87:fa:61:ab:1b:77:46:54:ee:b2:1f:00:
fa:95:40:9f:1a:82:01:6f:d6:79:be:8d:9e:0a:8c:
26:81
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
03:97:92:81:C9:45:77:A6:44:A6:0B:30:43:A4:4E:D2:FB:7D:3D:3D
X509v3 Authority Key Identifier:
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
Authority Information Access:
OCSP - URI:http://r10.o.lencr.org
CA Issuers - URI:http://r10.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:imap.web4u.cz, DNS:mail.web4u.cz, DNS:mx.web4u.cz, DNS:pop.web4u.cz, DNS:pop3.web4u.cz, DNS:smtp-dsn.web4u.cz, DNS:smtp.web4u.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
Timestamp : Dec 4 05:07:22.930 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:97:98:66:77:A7:5B:D3:7B:32:86:8E:
A6:ED:DA:84:9B:1C:63:F1:EE:54:D3:B2:95:21:9C:6C:
3F:4C:B5:5E:B2:02:21:00:CC:32:A2:71:E7:0D:F3:A9:
8D:E0:8A:66:76:63:4C:DC:4A:3A:66:F2:6B:A2:5D:D8:
81:71:43:DF:8C:34:D9:1B
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
Timestamp : Dec 4 05:07:24.885 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:B2:F9:F1:D8:9D:06:D2:72:E9:CF:B3:
FB:96:E6:65:24:D0:B0:E5:F7:6D:77:EA:07:2C:27:95:
17:3C:3C:3A:BF:02:21:00:8B:D0:A1:E0:20:B9:CC:8F:
49:BF:9F:67:BC:77:3F:C0:C8:59:B1:99:80:2B:35:AF:
25:0F:57:0E:85:C5:C0:6E
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
c0:2d:26:5f:cd:fc:46:b4:a4:b5:d9:20:87:cf:b6:d2:7d:3e:
ca:ee:97:dd:e8:52:aa:67:85:eb:43:ab:aa:26:c5:2b:2b:a1:
a3:ef:4c:31:38:1b:7b:e6:e2:a5:b0:ff:bd:05:25:5e:d0:b8:
cc:7c:3f:2e:6d:a4:c3:70:f5:70:fd:18:1d:fc:f9:00:36:ac:
e5:c4:b3:a7:e3:d5:86:47:76:4e:39:a1:56:d3:75:90:fd:35:
cd:48:9b:88:dc:9e:0f:51:ba:51:8a:0f:b5:5f:f0:30:8c:04:
ed:88:21:04:98:96:e2:12:38:3e:fc:16:97:3b:6e:31:eb:f0:
55:d2:a4:95:35:58:f6:0f:0d:a1:54:8a:c3:85:0d:0d:7e:06:
1b:b7:b7:3d:7f:60:e7:ff:1f:19:80:0a:4d:a3:cd:82:86:d0:
58:15:d6:f9:c9:32:41:63:5f:d0:9b:3d:25:0f:dd:7b:dc:cd:
43:4f:e9:22:ce:75:ff:0a:3b:25:42:1c:d2:6f:99:be:9e:97:
7e:d9:09:cb:19:6a:20:c3:85:a1:65:96:f0:08:b9:80:7c:92:
27:ce:97:55:3b:11:e1:fc:63:17:9c:aa:a8:f8:1b:d9:24:50:
19:05:04:e2:f5:09:2e:34:4e:20:73:06:93:16:f7:39:26:9e:
4d:7f:e9:ed
-2098053163 | 2025-01-15T05:09:10.76757080 / tcp
HTTP/1.1 403 Forbidden Server: nginx/1.18.0 Date: Wed, 15 Jan 2025 05:09:10 GMT Content-Type: text/html Content-Length: 555 Connection: keep-alive
-609448061 | 2025-01-18T11:01:53.665396110 / tcp
+OK POP3 ready +OK Capability list follows TOP USER SASL PLAIN LOGIN STLS .
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:17:09:10:d5:06:cc:78:d4:98:1d:a8:e5:87:8a:c9:67:5d
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Let's Encrypt, CN=R10
Validity
Not Before: Dec 4 04:08:52 2024 GMT
Not After : Mar 4 04:08:51 2025 GMT
Subject: CN=mail.web4u.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a6:2a:dd:4d:39:e7:8b:80:bb:46:62:ee:76:fc:
be:8b:30:01:7e:97:10:71:5b:39:71:15:dc:a2:38:
2d:34:0d:47:f1:9c:54:b8:7d:16:08:5e:82:03:72:
f5:0a:31:09:af:3b:ca:3f:7d:ec:57:66:6e:96:f6:
df:39:b7:4e:37:0e:e5:a4:89:6b:e0:74:a5:31:b9:
38:4e:2f:e2:d9:39:56:10:2e:66:36:d0:dc:d6:e9:
e8:cf:0f:30:47:cc:de:6f:39:9e:66:45:82:a3:d6:
10:5e:06:90:01:cc:ce:7f:1e:d5:0e:3e:7f:2f:9b:
e9:03:c2:2c:77:6a:3c:74:6a:0f:77:c1:1e:69:81:
57:75:ab:56:ff:dd:df:67:be:53:01:22:7c:5d:9d:
5c:a9:eb:27:4d:84:b9:5d:13:16:83:f4:a3:03:32:
07:fb:92:ec:89:62:c9:3e:cc:72:ef:d4:ab:f8:da:
8b:a2:f0:70:07:a1:aa:80:cd:39:12:dc:81:ce:21:
43:a4:36:23:37:fd:10:e7:61:28:3c:de:2b:1b:42:
68:4f:8d:0e:ce:d3:a4:cf:f0:e4:13:96:fb:4d:86:
bf:9b:bb:87:fa:61:ab:1b:77:46:54:ee:b2:1f:00:
fa:95:40:9f:1a:82:01:6f:d6:79:be:8d:9e:0a:8c:
26:81
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
03:97:92:81:C9:45:77:A6:44:A6:0B:30:43:A4:4E:D2:FB:7D:3D:3D
X509v3 Authority Key Identifier:
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
Authority Information Access:
OCSP - URI:http://r10.o.lencr.org
CA Issuers - URI:http://r10.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:imap.web4u.cz, DNS:mail.web4u.cz, DNS:mx.web4u.cz, DNS:pop.web4u.cz, DNS:pop3.web4u.cz, DNS:smtp-dsn.web4u.cz, DNS:smtp.web4u.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
Timestamp : Dec 4 05:07:22.930 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:97:98:66:77:A7:5B:D3:7B:32:86:8E:
A6:ED:DA:84:9B:1C:63:F1:EE:54:D3:B2:95:21:9C:6C:
3F:4C:B5:5E:B2:02:21:00:CC:32:A2:71:E7:0D:F3:A9:
8D:E0:8A:66:76:63:4C:DC:4A:3A:66:F2:6B:A2:5D:D8:
81:71:43:DF:8C:34:D9:1B
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
Timestamp : Dec 4 05:07:24.885 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:B2:F9:F1:D8:9D:06:D2:72:E9:CF:B3:
FB:96:E6:65:24:D0:B0:E5:F7:6D:77:EA:07:2C:27:95:
17:3C:3C:3A:BF:02:21:00:8B:D0:A1:E0:20:B9:CC:8F:
49:BF:9F:67:BC:77:3F:C0:C8:59:B1:99:80:2B:35:AF:
25:0F:57:0E:85:C5:C0:6E
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
c0:2d:26:5f:cd:fc:46:b4:a4:b5:d9:20:87:cf:b6:d2:7d:3e:
ca:ee:97:dd:e8:52:aa:67:85:eb:43:ab:aa:26:c5:2b:2b:a1:
a3:ef:4c:31:38:1b:7b:e6:e2:a5:b0:ff:bd:05:25:5e:d0:b8:
cc:7c:3f:2e:6d:a4:c3:70:f5:70:fd:18:1d:fc:f9:00:36:ac:
e5:c4:b3:a7:e3:d5:86:47:76:4e:39:a1:56:d3:75:90:fd:35:
cd:48:9b:88:dc:9e:0f:51:ba:51:8a:0f:b5:5f:f0:30:8c:04:
ed:88:21:04:98:96:e2:12:38:3e:fc:16:97:3b:6e:31:eb:f0:
55:d2:a4:95:35:58:f6:0f:0d:a1:54:8a:c3:85:0d:0d:7e:06:
1b:b7:b7:3d:7f:60:e7:ff:1f:19:80:0a:4d:a3:cd:82:86:d0:
58:15:d6:f9:c9:32:41:63:5f:d0:9b:3d:25:0f:dd:7b:dc:cd:
43:4f:e9:22:ce:75:ff:0a:3b:25:42:1c:d2:6f:99:be:9e:97:
7e:d9:09:cb:19:6a:20:c3:85:a1:65:96:f0:08:b9:80:7c:92:
27:ce:97:55:3b:11:e1:fc:63:17:9c:aa:a8:f8:1b:d9:24:50:
19:05:04:e2:f5:09:2e:34:4e:20:73:06:93:16:f7:39:26:9e:
4d:7f:e9:ed
332211553 | 2025-01-14T18:20:13.681306143 / tcp
* OK IMAP4 ready * CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL ACL2=UNION AUTH=PLAIN AUTH=LOGIN STARTTLS A001 OK completed A002 BAD invalid command A003 BAD invalid command * BYE A004 OK completed
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:17:09:10:d5:06:cc:78:d4:98:1d:a8:e5:87:8a:c9:67:5d
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Let's Encrypt, CN=R10
Validity
Not Before: Dec 4 04:08:52 2024 GMT
Not After : Mar 4 04:08:51 2025 GMT
Subject: CN=mail.web4u.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a6:2a:dd:4d:39:e7:8b:80:bb:46:62:ee:76:fc:
be:8b:30:01:7e:97:10:71:5b:39:71:15:dc:a2:38:
2d:34:0d:47:f1:9c:54:b8:7d:16:08:5e:82:03:72:
f5:0a:31:09:af:3b:ca:3f:7d:ec:57:66:6e:96:f6:
df:39:b7:4e:37:0e:e5:a4:89:6b:e0:74:a5:31:b9:
38:4e:2f:e2:d9:39:56:10:2e:66:36:d0:dc:d6:e9:
e8:cf:0f:30:47:cc:de:6f:39:9e:66:45:82:a3:d6:
10:5e:06:90:01:cc:ce:7f:1e:d5:0e:3e:7f:2f:9b:
e9:03:c2:2c:77:6a:3c:74:6a:0f:77:c1:1e:69:81:
57:75:ab:56:ff:dd:df:67:be:53:01:22:7c:5d:9d:
5c:a9:eb:27:4d:84:b9:5d:13:16:83:f4:a3:03:32:
07:fb:92:ec:89:62:c9:3e:cc:72:ef:d4:ab:f8:da:
8b:a2:f0:70:07:a1:aa:80:cd:39:12:dc:81:ce:21:
43:a4:36:23:37:fd:10:e7:61:28:3c:de:2b:1b:42:
68:4f:8d:0e:ce:d3:a4:cf:f0:e4:13:96:fb:4d:86:
bf:9b:bb:87:fa:61:ab:1b:77:46:54:ee:b2:1f:00:
fa:95:40:9f:1a:82:01:6f:d6:79:be:8d:9e:0a:8c:
26:81
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
03:97:92:81:C9:45:77:A6:44:A6:0B:30:43:A4:4E:D2:FB:7D:3D:3D
X509v3 Authority Key Identifier:
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
Authority Information Access:
OCSP - URI:http://r10.o.lencr.org
CA Issuers - URI:http://r10.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:imap.web4u.cz, DNS:mail.web4u.cz, DNS:mx.web4u.cz, DNS:pop.web4u.cz, DNS:pop3.web4u.cz, DNS:smtp-dsn.web4u.cz, DNS:smtp.web4u.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
Timestamp : Dec 4 05:07:22.930 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:97:98:66:77:A7:5B:D3:7B:32:86:8E:
A6:ED:DA:84:9B:1C:63:F1:EE:54:D3:B2:95:21:9C:6C:
3F:4C:B5:5E:B2:02:21:00:CC:32:A2:71:E7:0D:F3:A9:
8D:E0:8A:66:76:63:4C:DC:4A:3A:66:F2:6B:A2:5D:D8:
81:71:43:DF:8C:34:D9:1B
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
Timestamp : Dec 4 05:07:24.885 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:B2:F9:F1:D8:9D:06:D2:72:E9:CF:B3:
FB:96:E6:65:24:D0:B0:E5:F7:6D:77:EA:07:2C:27:95:
17:3C:3C:3A:BF:02:21:00:8B:D0:A1:E0:20:B9:CC:8F:
49:BF:9F:67:BC:77:3F:C0:C8:59:B1:99:80:2B:35:AF:
25:0F:57:0E:85:C5:C0:6E
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
c0:2d:26:5f:cd:fc:46:b4:a4:b5:d9:20:87:cf:b6:d2:7d:3e:
ca:ee:97:dd:e8:52:aa:67:85:eb:43:ab:aa:26:c5:2b:2b:a1:
a3:ef:4c:31:38:1b:7b:e6:e2:a5:b0:ff:bd:05:25:5e:d0:b8:
cc:7c:3f:2e:6d:a4:c3:70:f5:70:fd:18:1d:fc:f9:00:36:ac:
e5:c4:b3:a7:e3:d5:86:47:76:4e:39:a1:56:d3:75:90:fd:35:
cd:48:9b:88:dc:9e:0f:51:ba:51:8a:0f:b5:5f:f0:30:8c:04:
ed:88:21:04:98:96:e2:12:38:3e:fc:16:97:3b:6e:31:eb:f0:
55:d2:a4:95:35:58:f6:0f:0d:a1:54:8a:c3:85:0d:0d:7e:06:
1b:b7:b7:3d:7f:60:e7:ff:1f:19:80:0a:4d:a3:cd:82:86:d0:
58:15:d6:f9:c9:32:41:63:5f:d0:9b:3d:25:0f:dd:7b:dc:cd:
43:4f:e9:22:ce:75:ff:0a:3b:25:42:1c:d2:6f:99:be:9e:97:
7e:d9:09:cb:19:6a:20:c3:85:a1:65:96:f0:08:b9:80:7c:92:
27:ce:97:55:3b:11:e1:fc:63:17:9c:aa:a8:f8:1b:d9:24:50:
19:05:04:e2:f5:09:2e:34:4e:20:73:06:93:16:f7:39:26:9e:
4d:7f:e9:ed
-506760610 | 2025-01-12T12:07:06.060574993 / tcp
* OK IMAP4 ready * CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL ACL2=UNION AUTH=PLAIN AUTH=LOGIN A001 OK completed A002 BAD invalid command A003 BAD invalid command * BYE A004 OK completed
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:17:09:10:d5:06:cc:78:d4:98:1d:a8:e5:87:8a:c9:67:5d
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Let's Encrypt, CN=R10
Validity
Not Before: Dec 4 04:08:52 2024 GMT
Not After : Mar 4 04:08:51 2025 GMT
Subject: CN=mail.web4u.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a6:2a:dd:4d:39:e7:8b:80:bb:46:62:ee:76:fc:
be:8b:30:01:7e:97:10:71:5b:39:71:15:dc:a2:38:
2d:34:0d:47:f1:9c:54:b8:7d:16:08:5e:82:03:72:
f5:0a:31:09:af:3b:ca:3f:7d:ec:57:66:6e:96:f6:
df:39:b7:4e:37:0e:e5:a4:89:6b:e0:74:a5:31:b9:
38:4e:2f:e2:d9:39:56:10:2e:66:36:d0:dc:d6:e9:
e8:cf:0f:30:47:cc:de:6f:39:9e:66:45:82:a3:d6:
10:5e:06:90:01:cc:ce:7f:1e:d5:0e:3e:7f:2f:9b:
e9:03:c2:2c:77:6a:3c:74:6a:0f:77:c1:1e:69:81:
57:75:ab:56:ff:dd:df:67:be:53:01:22:7c:5d:9d:
5c:a9:eb:27:4d:84:b9:5d:13:16:83:f4:a3:03:32:
07:fb:92:ec:89:62:c9:3e:cc:72:ef:d4:ab:f8:da:
8b:a2:f0:70:07:a1:aa:80:cd:39:12:dc:81:ce:21:
43:a4:36:23:37:fd:10:e7:61:28:3c:de:2b:1b:42:
68:4f:8d:0e:ce:d3:a4:cf:f0:e4:13:96:fb:4d:86:
bf:9b:bb:87:fa:61:ab:1b:77:46:54:ee:b2:1f:00:
fa:95:40:9f:1a:82:01:6f:d6:79:be:8d:9e:0a:8c:
26:81
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
03:97:92:81:C9:45:77:A6:44:A6:0B:30:43:A4:4E:D2:FB:7D:3D:3D
X509v3 Authority Key Identifier:
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
Authority Information Access:
OCSP - URI:http://r10.o.lencr.org
CA Issuers - URI:http://r10.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:imap.web4u.cz, DNS:mail.web4u.cz, DNS:mx.web4u.cz, DNS:pop.web4u.cz, DNS:pop3.web4u.cz, DNS:smtp-dsn.web4u.cz, DNS:smtp.web4u.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
Timestamp : Dec 4 05:07:22.930 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:97:98:66:77:A7:5B:D3:7B:32:86:8E:
A6:ED:DA:84:9B:1C:63:F1:EE:54:D3:B2:95:21:9C:6C:
3F:4C:B5:5E:B2:02:21:00:CC:32:A2:71:E7:0D:F3:A9:
8D:E0:8A:66:76:63:4C:DC:4A:3A:66:F2:6B:A2:5D:D8:
81:71:43:DF:8C:34:D9:1B
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
Timestamp : Dec 4 05:07:24.885 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:B2:F9:F1:D8:9D:06:D2:72:E9:CF:B3:
FB:96:E6:65:24:D0:B0:E5:F7:6D:77:EA:07:2C:27:95:
17:3C:3C:3A:BF:02:21:00:8B:D0:A1:E0:20:B9:CC:8F:
49:BF:9F:67:BC:77:3F:C0:C8:59:B1:99:80:2B:35:AF:
25:0F:57:0E:85:C5:C0:6E
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
c0:2d:26:5f:cd:fc:46:b4:a4:b5:d9:20:87:cf:b6:d2:7d:3e:
ca:ee:97:dd:e8:52:aa:67:85:eb:43:ab:aa:26:c5:2b:2b:a1:
a3:ef:4c:31:38:1b:7b:e6:e2:a5:b0:ff:bd:05:25:5e:d0:b8:
cc:7c:3f:2e:6d:a4:c3:70:f5:70:fd:18:1d:fc:f9:00:36:ac:
e5:c4:b3:a7:e3:d5:86:47:76:4e:39:a1:56:d3:75:90:fd:35:
cd:48:9b:88:dc:9e:0f:51:ba:51:8a:0f:b5:5f:f0:30:8c:04:
ed:88:21:04:98:96:e2:12:38:3e:fc:16:97:3b:6e:31:eb:f0:
55:d2:a4:95:35:58:f6:0f:0d:a1:54:8a:c3:85:0d:0d:7e:06:
1b:b7:b7:3d:7f:60:e7:ff:1f:19:80:0a:4d:a3:cd:82:86:d0:
58:15:d6:f9:c9:32:41:63:5f:d0:9b:3d:25:0f:dd:7b:dc:cd:
43:4f:e9:22:ce:75:ff:0a:3b:25:42:1c:d2:6f:99:be:9e:97:
7e:d9:09:cb:19:6a:20:c3:85:a1:65:96:f0:08:b9:80:7c:92:
27:ce:97:55:3b:11:e1:fc:63:17:9c:aa:a8:f8:1b:d9:24:50:
19:05:04:e2:f5:09:2e:34:4e:20:73:06:93:16:f7:39:26:9e:
4d:7f:e9:ed
-868652933 | 2025-01-06T12:49:09.982994995 / tcp
+OK POP3 ready +OK Capability list follows TOP USER SASL PLAIN LOGIN .
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:17:09:10:d5:06:cc:78:d4:98:1d:a8:e5:87:8a:c9:67:5d
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Let's Encrypt, CN=R10
Validity
Not Before: Dec 4 04:08:52 2024 GMT
Not After : Mar 4 04:08:51 2025 GMT
Subject: CN=mail.web4u.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a6:2a:dd:4d:39:e7:8b:80:bb:46:62:ee:76:fc:
be:8b:30:01:7e:97:10:71:5b:39:71:15:dc:a2:38:
2d:34:0d:47:f1:9c:54:b8:7d:16:08:5e:82:03:72:
f5:0a:31:09:af:3b:ca:3f:7d:ec:57:66:6e:96:f6:
df:39:b7:4e:37:0e:e5:a4:89:6b:e0:74:a5:31:b9:
38:4e:2f:e2:d9:39:56:10:2e:66:36:d0:dc:d6:e9:
e8:cf:0f:30:47:cc:de:6f:39:9e:66:45:82:a3:d6:
10:5e:06:90:01:cc:ce:7f:1e:d5:0e:3e:7f:2f:9b:
e9:03:c2:2c:77:6a:3c:74:6a:0f:77:c1:1e:69:81:
57:75:ab:56:ff:dd:df:67:be:53:01:22:7c:5d:9d:
5c:a9:eb:27:4d:84:b9:5d:13:16:83:f4:a3:03:32:
07:fb:92:ec:89:62:c9:3e:cc:72:ef:d4:ab:f8:da:
8b:a2:f0:70:07:a1:aa:80:cd:39:12:dc:81:ce:21:
43:a4:36:23:37:fd:10:e7:61:28:3c:de:2b:1b:42:
68:4f:8d:0e:ce:d3:a4:cf:f0:e4:13:96:fb:4d:86:
bf:9b:bb:87:fa:61:ab:1b:77:46:54:ee:b2:1f:00:
fa:95:40:9f:1a:82:01:6f:d6:79:be:8d:9e:0a:8c:
26:81
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
03:97:92:81:C9:45:77:A6:44:A6:0B:30:43:A4:4E:D2:FB:7D:3D:3D
X509v3 Authority Key Identifier:
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
Authority Information Access:
OCSP - URI:http://r10.o.lencr.org
CA Issuers - URI:http://r10.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:imap.web4u.cz, DNS:mail.web4u.cz, DNS:mx.web4u.cz, DNS:pop.web4u.cz, DNS:pop3.web4u.cz, DNS:smtp-dsn.web4u.cz, DNS:smtp.web4u.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
Timestamp : Dec 4 05:07:22.930 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:97:98:66:77:A7:5B:D3:7B:32:86:8E:
A6:ED:DA:84:9B:1C:63:F1:EE:54:D3:B2:95:21:9C:6C:
3F:4C:B5:5E:B2:02:21:00:CC:32:A2:71:E7:0D:F3:A9:
8D:E0:8A:66:76:63:4C:DC:4A:3A:66:F2:6B:A2:5D:D8:
81:71:43:DF:8C:34:D9:1B
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
Timestamp : Dec 4 05:07:24.885 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:B2:F9:F1:D8:9D:06:D2:72:E9:CF:B3:
FB:96:E6:65:24:D0:B0:E5:F7:6D:77:EA:07:2C:27:95:
17:3C:3C:3A:BF:02:21:00:8B:D0:A1:E0:20:B9:CC:8F:
49:BF:9F:67:BC:77:3F:C0:C8:59:B1:99:80:2B:35:AF:
25:0F:57:0E:85:C5:C0:6E
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
c0:2d:26:5f:cd:fc:46:b4:a4:b5:d9:20:87:cf:b6:d2:7d:3e:
ca:ee:97:dd:e8:52:aa:67:85:eb:43:ab:aa:26:c5:2b:2b:a1:
a3:ef:4c:31:38:1b:7b:e6:e2:a5:b0:ff:bd:05:25:5e:d0:b8:
cc:7c:3f:2e:6d:a4:c3:70:f5:70:fd:18:1d:fc:f9:00:36:ac:
e5:c4:b3:a7:e3:d5:86:47:76:4e:39:a1:56:d3:75:90:fd:35:
cd:48:9b:88:dc:9e:0f:51:ba:51:8a:0f:b5:5f:f0:30:8c:04:
ed:88:21:04:98:96:e2:12:38:3e:fc:16:97:3b:6e:31:eb:f0:
55:d2:a4:95:35:58:f6:0f:0d:a1:54:8a:c3:85:0d:0d:7e:06:
1b:b7:b7:3d:7f:60:e7:ff:1f:19:80:0a:4d:a3:cd:82:86:d0:
58:15:d6:f9:c9:32:41:63:5f:d0:9b:3d:25:0f:dd:7b:dc:cd:
43:4f:e9:22:ce:75:ff:0a:3b:25:42:1c:d2:6f:99:be:9e:97:
7e:d9:09:cb:19:6a:20:c3:85:a1:65:96:f0:08:b9:80:7c:92:
27:ce:97:55:3b:11:e1:fc:63:17:9c:aa:a8:f8:1b:d9:24:50:
19:05:04:e2:f5:09:2e:34:4e:20:73:06:93:16:f7:39:26:9e:
4d:7f:e9:ed
-384182744 | 2025-01-18T06:04:17.9601552000 / tcp
"IMPLEMENTATION" "Sieve4U"\r\n"SIEVE" "fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave"\r\n"NOTIFY" "mailto"\r\n"SASL" "PLAIN LOGIN"\r\n"STARTTLS"\r\n"VERSION" "1.0"\r\nOK "Dovecot (Debian) ready."\r\n