SSL-Tools

mail.ceramika-serwis.pl

CN=mail.ceramika-serwis.pl

Fingerprints: f3a1f669f8

Issuer:
CN=R13,O=Let's E­ncrypt,C=US
Serial:
5060983730293512­2769405036407725­3709593895
Not valid before:
2026-04-03 21:02­:17 UTC
Not valid after:
2026-07-02 21:02­:16 UTC
Key size:
2048
Signature Algorithm:
sha256WithRSAEnc­ryption
keyUsage:
Digital Signatur­e, Key Encipherm­ent
extendedKeyUsage:
TLS Web Server A­uthentication
basicConstraints:
CA:FALSE
subjectKeyIdentifier:
A1:53:24:9E:B4:8­9:F9:F2:6B:66:B9­:AC:84:F0:81:80:­4C:8C:11:F0
authorityKeyIdentifier:
keyid:E7:AB:9F:0­F:2C:33:A0:53:D3­:5E:4F:78:C8:B2:­84:0E:3B:D6:92:3­3
authorityInfoAccess:
CA Issuers - URI­:http://r13.i.le­ncr.org/
subjectAltName:
DNS:mail.ceramik­a-serwis.pl, DNS­:mta-sts.ceramik­a-serwis.pl
certificatePolicies:
Policy: 2.23.140­.1.2.1
crlDistributionPoints:
Full Name:­ URI:http://r13­.c.lencr.org/40.­crl
ct_precert_scts:
Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­C2:31:7E:57:45:1­9:A3:45:EE:7F:38­:DE:B2:90:41:EB:­ ­C7:C2:21:5A:22:B­F:7F:D5:B5:AD:76­:9A:D9:0E:52:CD­ Timestamp : ­Apr 3 22:00:47.­472 2026 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:20:0A:C­B:C0:FB:8E:24:32­:08:D0:8A:86:57:­ ­D2:F5:8C:FC:AF:A­0:C0:E7:06:6E:C4­:C1:69:A9:5B:CD:­ ­58:21:24:B9:02:2­1:00:C3:5F:26:75­:B0:B6:47:81:C8:­ ­2D:DC:E9:37:16:D­4:40:71:E1:48:9B­:C9:E8:95:E8:FA:­ ­5E:70:49:96:B0:F­A:92­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­1A:8B:9D:6B:0F:F­E:BF:81:B4:79:39­:C6:D2:31:0A:86:­ ­D6:D1:02:D4:F0:4­6:E2:18:2C:9D:E3­:5F:5E:26:25:EF­ Timestamp : ­Apr 3 22:00:47.­700 2026 GMT­ Extensions: ­00:00:05:00:06:8­B:02:F0­ Signature : ­ecdsa-with-SHA25­6­ ­30:46:02:21:00:9­2:F9:EA:75:23:F2­:D5:84:4B:E0:5B:­ ­9A:06:E9:60:CB:6­5:B6:B6:83:34:7B­:08:76:B6:68:2C:­ ­93:0B:24:9C:F0:0­2:21:00:94:C1:EA­:11:D1:A1:24:D1:­ ­D0:E7:37:20:AF:A­7:52:F2:B9:75:56­:68:C5:AF:E5:CD:­ ­D7:C9:76:23:60:6­C:17:BA

Certificates

Fingerprint Issuer Serial Public Key Download Tools
f3a1­f669­f8c6­b8ce­4acd­033b­212d­709d­6e1a­adf3 R13 5060­9837­3029­3512­2769­4050­3640­7725­3709­5938­95 f3a1f669f8
PEM TXT JSON
TLSA