| Hostnames |
contabo.citynet.cz mail.citynet.cz |
| Domains | citynet.cz |
| Country | Germany |
| City | Frankfurt am Main |
| Organization | Contabo GmbH |
| ISP | Contabo GmbH |
| ASN | AS51167 |
220 mail.citynet.cz ESMTP Postfix (Debian/GNU) 250-mail.citynet.cz 250-PIPELINING 250-SIZE 26214400 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250-DSN 250-SMTPUTF8 250 CHUNKING
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
03:6c:33:7b:0f:6c:83:62:c4:6a:be:51:a7:ee:42:60:63:7e
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Let's Encrypt, CN=R11
Validity
Not Before: Feb 12 10:23:15 2025 GMT
Not After : May 13 10:23:14 2025 GMT
Subject: CN=mail.citynet.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:c1:3a:67:1e:85:5e:f7:02:2a:c8:86:c8:60:b3:
9a:b1:f1:7a:32:26:3c:60:1e:b2:7f:76:94:28:68:
6f:73:9d:61:95:0b:64:3f:5c:a1:a9:c3:12:0c:2e:
12:97:7e:d6:5d:1d:95:a6:7e:f1:98:9e:ea:d2:3a:
e1:f5:34:26:9a:68:d8:fe:6e:ed:69:2a:8c:d9:d1:
d1:5b:d7:ff:bb:a4:0f:80:b4:ed:60:e1:be:72:a3:
d5:ee:1e:3c:91:1b:a2:28:45:0d:73:09:b1:2b:61:
46:a4:da:55:68:a5:5c:e3:6f:25:46:27:ee:f9:e1:
8d:33:08:f0:42:10:1d:bd:89:3f:5e:ed:22:30:60:
b7:75:c9:38:91:0f:16:6a:a3:ca:b6:53:47:06:2d:
a7:64:bb:ed:2c:6b:51:ec:2b:dd:89:7a:f7:63:c3:
2b:b2:ee:23:1a:2e:22:9b:7b:23:83:92:c8:6c:3c:
81:89:ea:2a:79:15:4e:e1:ac:2c:20:0c:b2:60:e4:
01:72:cf:f2:f7:10:30:94:18:0f:3e:97:2e:31:44:
69:a6:24:13:5a:7b:cc:a9:26:40:f7:58:4f:83:43:
08:ea:cc:b8:05:61:62:fc:a1:5b:ea:bc:d2:bb:a1:
18:7b:54:80:76:38:70:e1:09:cd:d9:08:38:14:8d:
96:b1
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:
EB:39:2E:CC:A8:7F:20:01:4B:2B:3F:AF:A9:C5:A6:65:8D:A1:9A:8A
X509v3 Authority Key Identifier:
C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
Authority Information Access:
OCSP - URI:http://r11.o.lencr.org
CA Issuers - URI:http://r11.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:mail.citynet.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 : Feb 12 11:21:45.214 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:DB:2B:10:68:0B:DE:05:95:5E:31:2C:
E4:55:9C:63:AF:73:72:2F:2F:8B:B7:5E:BE:79:06:A7:
31:32:80:5F:D6:02:20:62:37:31:C5:96:9F:B7:F5:3B:
F9:03:1C:6A:33:5F:7B:95:29:5A:1F:72:CA:E6:9A:94:
4C:83:64:BF:85:71:F9
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : E0:92:B3:FC:0C:1D:C8:E7:68:36:1F:DE:61:B9:96:4D:
0A:52:78:19:8A:72:D6:72:C4:B0:4D:A5:6D:6F:54:04
Timestamp : Feb 12 11:21:45.972 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:73:3B:67:B7:56:95:2D:85:64:45:57:80:
F7:B4:D2:F8:04:74:45:B7:BA:E4:D9:B3:00:D2:01:E9:
65:44:DF:5C:02:20:36:83:F4:9B:EC:B5:1B:1C:6B:53:
D7:E1:6C:B3:62:B3:2D:35:55:DB:4F:99:85:CD:74:24:
46:85:7D:7D:A9:95
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
5a:65:3a:6f:52:2e:4d:ab:18:ff:6d:52:88:4c:6f:68:f5:fb:
91:46:1d:c7:0e:56:1f:ba:2a:d8:42:c0:e1:2d:de:22:fb:cd:
af:5c:aa:04:2c:3d:15:1f:8e:97:f9:0b:40:0f:e9:bf:49:b7:
22:fe:78:57:49:87:22:50:63:8e:7b:07:29:ca:0a:d2:cb:b1:
48:8f:82:99:f0:cf:e8:11:5d:52:10:3b:ee:0e:71:7c:ba:0e:
8e:a5:81:4d:fe:8e:47:8a:18:d0:62:3b:9c:2c:0e:2b:6c:c9:
d3:37:bf:20:a5:ea:11:06:5f:96:68:d2:e1:30:33:d9:59:df:
b0:ad:1e:8d:0a:00:f3:0f:53:7d:8e:b2:09:f1:67:bf:6d:46:
bf:cd:65:b0:71:cc:01:d0:bb:fb:93:cf:31:bc:0e:d5:fa:e6:
af:55:e3:4b:e7:0b:94:08:63:e0:21:32:ae:c1:be:3b:45:ad:
18:43:76:af:db:ea:44:2c:10:6a:d1:64:73:9e:5d:6b:96:ea:
22:7c:22:19:b3:ac:77:af:37:e5:f3:d8:ab:98:0f:5a:fa:e7:
e6:af:7c:76:9b:66:a4:5f:81:d6:35:bb:30:d0:74:db:d7:2e:
c0:63:70:0c:44:74:03:f9:5a:31:21:40:25:3f:75:1f:0b:a2:
4e:12:74:e9
Authoritative Name Server Resolver name: mail.citynet.cz
Authoritative Name Server Resolver name: mail.citynet.cz
HTTP/1.1 200 OK Date: Wed, 26 Mar 2025 19:41:15 GMT Server: Apache Vary: Accept-Encoding Transfer-Encoding: chunked Content-Type: text/html; charset=UTF-8
HTTP/1.1 200 OK Date: Thu, 03 Apr 2025 22:09:10 GMT Server: Apache Last-Modified: Mon, 10 Jul 2017 09:09:49 GMT ETag: "c-553f2f1e41140" Accept-Ranges: bytes Content-Length: 12 Content-Type: text/html
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:b0:99:ca:b0:50:dc:7a:26:b0:df:41:f2:e0:0c:bc:0e:e9
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Let's Encrypt, CN=R10
Validity
Not Before: Mar 28 05:26:58 2025 GMT
Not After : Jun 26 05:26:57 2025 GMT
Subject: CN=contabo.citynet.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:d9:7c:4e:bd:29:53:a0:3f:24:1e:8b:40:23:1a:
c5:87:75:1e:90:44:e9:df:77:2f:15:30:4b:7e:f5:
9c:47:a4:27:37:fb:5f:d1:62:d9:cb:0c:96:d9:0d:
22:80:1a:be:22:e9:db:f5:ba:33:a9:c8:bf:ba:4c:
18:13:16:a7:cc:d9:09:b5:c1:02:76:11:e9:1c:e7:
70:03:48:7b:3c:fb:81:30:f3:04:da:ba:cb:61:c8:
cf:72:1a:5b:15:4f:83:57:b5:65:26:e4:68:0e:0c:
9f:b8:27:c5:39:10:bd:68:2d:a6:95:9c:27:67:9b:
25:36:d7:6c:47:40:9d:a7:92:a6:0d:8e:22:c1:50:
12:c7:d2:fe:55:c0:b6:de:02:dc:dd:6c:92:07:bd:
02:3f:fc:d5:5d:15:65:61:4b:04:4c:28:50:56:f5:
e1:1e:80:6e:f3:8c:e5:51:d7:97:a6:06:a3:67:a3:
7b:ed:fa:38:0c:75:ef:55:b9:02:2e:2e:df:67:84:
58:0a:36:71:65:f7:9d:c1:a9:ab:a2:33:61:ab:8d:
94:88:47:30:98:d2:77:ba:fe:dc:ea:d8:c7:3d:15:
dc:e7:2b:ac:b5:bf:9e:fb:e1:b9:61:58:3d:ff:47:
54:b3:00:0e:36:bc:ee:41:7b:e4:b0:5c:5f:70:b9:
4c:11
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:
E6:F7:12:ED:07:0F:BE:63:05:5F:16:00:C4:89:54:65:53:83:F6:AB
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:contabo.citynet.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r10.c.lencr.org/106.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
Timestamp : Mar 28 06:25:29.051 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:C8:9B:00:E2:03:BC:78:C0:27:13:2E:
4C:49:83:D9:2F:88:90:25:2F:77:63:E2:29:BC:3A:E7:
1B:49:FB:6D:75:02:20:13:B2:59:E1:04:1F:C6:1C:03:
8C:C0:DB:C8:08:8B:4F:E6:CA:CB:4D:B1:2E:68:A6:A5:
2E:ED:E2:D4:AD:27:F3
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 13:4A:DF:1A:B5:98:42:09:78:0C:6F:EF:4C:7A:91:A4:
16:B7:23:49:CE:58:57:6A:DF:AE:DA:A7:C2:AB:E0:22
Timestamp : Mar 28 06:25:29.330 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:98:B6:FA:68:84:34:CE:AB:6C:B1:18:
1F:36:72:73:E5:81:2F:0F:EF:91:14:D1:96:90:1C:1E:
0F:46:DF:B6:37:02:20:55:97:DA:DA:13:A0:20:62:7D:
E4:19:59:FD:9F:E5:AB:E4:F3:A5:9A:9D:87:2E:64:C1:
8F:D6:40:18:F0:78:61
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
93:af:50:0b:9b:60:68:cf:54:73:b9:49:c7:1c:85:99:74:59:
68:bf:b1:d1:8f:4e:74:84:bb:05:71:1f:27:59:6f:dc:aa:bc:
8e:62:4a:09:bd:6c:a3:16:8b:33:70:2e:a3:28:40:31:31:22:
71:ca:4b:92:53:2b:0d:05:6c:89:25:ad:f0:c9:59:c7:8e:84:
6a:01:48:ce:9a:bb:30:0f:7c:50:bf:b3:79:57:ad:e7:ff:b7:
0f:6d:00:c9:32:5d:23:41:6e:77:bb:8a:17:ce:22:ae:99:66:
7b:2b:3c:2e:de:d6:76:51:18:c5:57:a5:9e:ac:86:d4:67:52:
7f:7a:f9:1d:b3:45:7c:70:0c:7a:28:3e:9b:a8:fc:e9:76:41:
ff:ee:98:ab:24:11:b1:2f:39:c2:3b:2c:87:35:53:f5:cc:de:
a6:c2:97:e6:ef:d4:ec:e2:68:4e:28:d3:0c:75:84:e1:e9:00:
78:67:aa:75:0d:9c:ac:ba:3f:3e:36:3b:7c:31:62:6f:de:f1:
fe:8c:56:e9:eb:67:1a:dd:5b:25:f0:fe:bb:be:ee:d9:6a:66:
58:a6:4d:de:11:f7:27:4e:ed:88:8c:81:5b:0d:1e:5b:4e:93:
2a:4b:24:90:43:6e:7c:cb:47:ed:bd:91:35:7f:1d:95:ef:8a:
c6:7d:45:5b