mail.stamann.online

CN=mail.stamann.online

Fingerprints: 85e8ba7ec1 1a4bdf9b02

Issuer:
CN=R3,O=Let's En­crypt,C=US
CN=R10,O=Let's E­ncrypt,C=US
Serial:
3731784757481071­2049025725069571­1471186947
5500515759985292­8955773873054083­1019330929
Not valid before:
2020-12-29 01:06­:45 UTC
2025-08-13 20:32­:58 UTC
Not valid after:
2021-03-29 01:06­:45 UTC
2025-11-11 20:32­:57 UTC
Key size:
2048
Signature Algorithm:
sha256WithRSAEnc­ryption
keyUsage:
Digital Signatur­e, Key Encipherm­ent
extendedKeyUsage:
TLS Web Server A­uthentication, T­LS Web Client Au­thentication
basicConstraints:
CA:FALSE
subjectKeyIdentifier:
27:3A:39:4F:4D:5­7:19:B5:EA:31:0F­:15:41:7A:0F:D4:­BF:38:0E:8E
ED:5A:43:7D:1E:2­C:9F:28:B9:FD:E4­:D3:DE:91:93:18:­B9:47:9C:4A
authorityKeyIdentifier:
keyid:14:2E:B3:1­7:B7:58:56:CB:AE­:50:09:40:E6:1F:­AF:9D:8B:14:C2:C­6
keyid:BB:BC:C3:4­7:A5:E4:BC:A9:C6­:C3:A4:72:0C:10:­8D:A2:35:E1:C8:E­8
authorityInfoAccess:
OCSP - URI:http:­//r3.o.lencr.org­CA Issuers - URI­:http://r3.i.len­cr.org/
CA Issuers - URI­:http://r10.i.le­ncr.org/
subjectAltName:
DNS:mail.stamann­.online, DNS:mat­termost.stamann.­online, DNS:post­fixadmin.stamann­.online, DNS:sta­mann.online, DNS­:www.stamann.onl­ine
DNS:mail.stamann­.online
certificatePolicies:
Policy: 2.23.140­.1.2.1­Policy: 1.3.6.1.­4.1.44947.1.1.1­ CPS: http://cp­s.letsencrypt.or­g
Policy: 2.23.140­.1.2.1
ct_precert_scts:
Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­F6:5C:94:2F:D1:7­7:30:22:14:54:18­:08:30:94:56:8E:­ ­E3:4D:13:19:33:B­F:DF:0C:2F:20:0B­:CC:4E:F1:64:E3­ Timestamp : ­Dec 29 02:06:45.­075 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:63:C­1:3B:A1:84:41:0A­:F9:12:1C:A7:69:­ ­70:59:67:B9:C2:7­6:36:50:1E:82:6B­:4E:09:19:BB:7B:­ ­64:C7:A8:9B:02:2­0:5D:3F:E1:11:AA­:E7:F0:6D:DD:C5:­ ­14:AC:CD:D8:CC:B­D:36:F0:78:5D:91­:A8:ED:1A:82:91:­ ­0F:02:C8:A7:2E:7­C­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­5C:DC:43:92:FE:E­6:AB:45:44:B1:5E­:9A:D4:56:E6:10:­ ­37:FB:D5:FA:47:D­C:A1:73:94:B2:5E­:E6:F6:C7:0E:CA­ Timestamp : ­Dec 29 02:06:45.­620 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:20:7D:0­2:84:0E:23:14:7C­:A1:79:B6:DD:85:­ ­8B:C1:81:62:BD:2­C:31:72:79:10:60­:F8:40:A5:46:86:­ ­8A:30:44:63:02:2­1:00:8B:0C:B2:4A­:0D:3B:E0:80:D0:­ ­89:42:DB:18:35:9­F:1E:DA:B8:21:A5­:BB:5C:41:E2:07:­ ­4B:61:71:7C:44:7­9:B4
Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­CC:FB:0F:6A:85:7­1:09:65:FE:95:9B­:53:CE:E9:B2:7C:­ ­22:E9:85:5C:0D:9­7:8D:B6:A9:7E:54­:C0:FE:4C:0D:B0­ Timestamp : ­Aug 13 21:31:28.­853 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:20:26:E­2:E5:E4:57:B0:20­:08:E9:44:B6:23:­ ­66:DC:87:4D:CF:7­8:F1:00:69:DB:B6­:F5:39:08:3B:C5:­ ­20:4E:D2:05:02:2­1:00:B3:EF:25:EC­:AE:6C:48:E3:FC:­ ­CC:F9:9C:33:F7:A­9:37:AA:CB:90:80­:20:D3:81:A7:85:­ ­F0:50:FA:6A:00:0­8:60­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­A4:42:C5:06:49:6­0:61:54:8F:0F:D4­:EA:9C:FB:7A:2D:­ ­26:45:4D:87:A9:7­F:2F:DF:45:59:F6­:27:4F:3A:84:54­ Timestamp : ­Aug 13 21:31:28.­836 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:20:7F:2­1:C1:27:B6:2F:3B­:3A:FE:9D:BD:15:­ ­32:09:E9:28:0F:D­2:9F:66:5C:A3:17­:C8:39:1C:AD:92:­ ­D9:40:6D:57:02:2­1:00:8F:B5:B2:5A­:F8:48:79:58:DA:­ ­27:9A:9D:DD:50:5­2:E7:16:21:A0:8F­:EF:B2:8D:D9:51:­ ­2A:C2:30:42:E4:C­8:0F
crlDistributionPoints:
Full Name:­ URI:http://r10­.c.lencr.org/114­.crl

Certificates

Fingerprint Issuer Serial Public Key Download Tools
85e8­ba7e­c1fc­c05a­0b7a­857f­599d­3fb9­6bf9­c96b R3 3731­7847­5748­1071­2049­0257­2506­9571­1471­1869­47 85e8ba7ec1 TLSA
1a4b­df9b­0217­ef26­7e82­88da­09a9­18c4­fcc3­d53f R10 5500­5157­5998­5292­8955­7738­7305­4083­1019­3309­29 1a4bdf9b02 TLSA