DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

communityix.ch · 5.226.149.150:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=mail.communityix.ch
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-31T23:11:17+00:00
Expires
2026-11-29T23:11:16+00:00
Days remaining
66
Serial (hex)
0691DE4E1C4296016291CD3562F8D58C494C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.community-ix.ch, DNS:autodiscover.community-ix.ch, DNS:community-ix.ch, DNS:communityix.ch, DNS:cpanel.community-ix.ch, DNS:cpcalendars.community-ix.ch, DNS:cpcontacts.community-ix.ch, DNS:mail.community-ix.ch, DNS:mail.communityix.ch, DNS:webdisk.community-ix.ch, DNS:webmail.community-ix.ch, DNS:www.community-ix.ch, DNS:www.communityix.ch

SHA-256 fingerprint

DD:D8:7A:3E:97:C4:12:30:54:A0:52:E3:46:40:9E:46:95:0C:40:66:C7:80:28:77:B9:1A:BD:5A:08:18:B2:4B
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
C6:00:D7:EF:44:79:19:A3:2F:8B:29:06:26:3A:2C:3F:A1:4B:70:35
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:autoconfig.community-ix.ch, DNS:autodiscover.community-ix.ch, DNS:community-ix.ch, DNS:communityix.ch, DNS:cpanel.community-ix.ch, DNS:cpcalendars.community-ix.ch, DNS:cpcontacts.community-ix.ch, DNS:mail.community-ix.ch, DNS:mail.communityix.ch, DNS:webdisk.community-ix.ch, DNS:webmail.community-ix.ch, DNS:www.community-ix.ch, DNS:www.communityix.ch
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/77.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Sep 1 00:09:47.902 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5D:5E:0D:C7:18:46:DC:B0:76:EE:F8:6D: 96:FB:E6:58:ED:AD:5D:3F:17:18:0A:E8:AF:86:AA:A1: 6F:E2:14:AE:02:20:3C:5F:30:AF:17:95:9F:4D:86:1A: 92:6B:36:28:C8:05:6E:B2:D1:EA:C2:B4:8E:A3:50:46: E2:65:DB:64:61:2B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 1 00:09:48.152 2026 GMT Extensions: 00:00:05:00:21:EB:42:92 Signature : ecdsa-with-SHA256 30:45:02:20:0C:6F:14:4F:C7:C1:65:31:54:84:B3:BB: 62:7E:93:55:A1:A6:74:74:6F:33:02:1B:A0:D6:6D:8B: 24:CC:45:64:02:21:00:A7:EB:75:CD:65:CD:42:6D:C2: 4E:21:8C:22:BE:B6:22:5C:33:8D:0C:03:BD:77:8C:D9: 7E:B5:05:63:0C:DE:27
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-24T13:12:27+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
709
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2170
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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