proton.me

CN=proton.me

Fingerprints: 8a53cc97f8

Issuer:
CN=R10,O=Let's E­ncrypt,C=US
Serial:
5521079751230948­4012723692608620­8309869010
Not valid before:
2025-08-05 13:17­:02 UTC
Not valid after:
2025-11-03 13:17­:01 UTC
Key size:
4096
Signature Algorithm:
sha256WithRSAEnc­ryption
keyUsage:
Digital Signatur­e, Key Encipherm­ent
extendedKeyUsage:
TLS Web Server A­uthentication, T­LS Web Client Au­thentication
basicConstraints:
CA:FALSE
subjectKeyIdentifier:
44:9F:C2:8A:29:A­4:88:CC:A5:FB:61­:E6:89:D1:BE:71:­59:64:BE:81
authorityKeyIdentifier:
keyid:BB:BC:C3:4­7:A5:E4:BC:A9:C6­:C3:A4:72:0C:10:­8D:A2:35:E1:C8:E­8
authorityInfoAccess:
CA Issuers - URI­:http://r10.i.le­ncr.org/
subjectAltName:
DNS:*.pr.tn, DNS­:*.proton.me, DN­S:*.storage.prot­on.me, DNS:pr.tn­, DNS:proton.me
certificatePolicies:
Policy: 2.23.140­.1.2.1
crlDistributionPoints:
Full Name:­ URI:http://r10­.c.lencr.org/83.­crl
ct_precert_scts:
Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­0D:E1:F2:30:2B:D­3:0D:C1:40:62:12­:09:EA:55:2E:FC:­ ­47:74:7C:B1:D7:E­9:30:EF:0E:42:1E­:B4:7E:4E:AA:34­ Timestamp : ­Aug 5 14:15:32.­486 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:06:7­E:DE:1E:18:F0:6F­:8D:87:4A:E1:31:­ ­90:B7:40:5B:61:1­B:0D:EF:92:E9:77­:CC:C7:32:45:8C:­ ­1B:F6:66:3A:02:2­0:06:2F:45:24:8F­:DD:E8:ED:7A:0B:­ ­B9:0F:F4:32:D1:C­A:7A:84:0D:00:51­:69:B6:80:1C:E2:­ ­AD:A3:A9:F7:09:C­5­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­1A:04:FF:49:D0:5­4:1D:40:AF:F6:A0­:C3:BF:F1:D8:C4:­ ­67:2F:4E:EC:EE:2­3:40:68:98:6B:17­:40:2E:DC:89:7D­ Timestamp : ­Aug 5 14:15:32.­520 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:65:6­5:71:94:4C:0C:48­:BB:11:40:50:AC:­ ­0D:47:1F:68:F7:8­3:80:1A:D5:03:19­:77:04:08:3C:DA:­ ­EE:B0:08:B5:02:2­0:1A:48:68:C9:07­:1F:70:B2:0E:E2:­ ­60:6D:A8:F0:91:6­0:8A:2B:F9:4D:C0­:07:1C:8C:58:91:­ ­6C:1A:42:61:CB:2­E

Certificates

Fingerprint Issuer Serial Public Key Download Tools
8a53­cc97­f86d­a918­aeeb­1217­740b­e934­1831­aba5 R10 5521­0797­5123­0948­4012­7236­9260­8620­8309­8690­10 8a53cc97f8 TLSA