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

easy-web.cz · 31.31.78.87:443

Verified

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

Subject
CN=ewh.cz
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-16T21:11:04+00:00
Expires
2026-12-15T21:11:03+00:00
Days remaining
57
Serial (hex)
06C4C00E9FCAE95C8902A055A8264DA96B08
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:admin.ewh.cz, DNS:easy-web.cz, DNS:ewebster.ewh.cz, DNS:ewh.cz, DNS:helpdesk.ewh.cz, DNS:intranet.ewh.cz, DNS:propre.ewh.cz, DNS:system.ewh.cz, DNS:www.easy-web.cz, DNS:www.ewh.cz

SHA-256 fingerprint

86:50:8F:90:29:C4:50:1C:15:E6:EC:99:A3:C1:88:26:8B:8E:C5:42:5F:DD:AC:5C:C9:B4:C9:8C:00:3F:38:A9
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
B3:77:2D:A5:B2:11:E5:C6:F0:8B:CA:94:57:29:EA:19:88:00:08:45
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:admin.ewh.cz, DNS:easy-web.cz, DNS:ewebster.ewh.cz, DNS:ewh.cz, DNS:helpdesk.ewh.cz, DNS:intranet.ewh.cz, DNS:propre.ewh.cz, DNS:system.ewh.cz, DNS:www.easy-web.cz, DNS:www.ewh.cz
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/9.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 16 22:09:34.799 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F2:48:00:58:D8:96:6C:D9:C1:0A:86: B1:9D:01:9E:52:8C:B0:3F:90:5D:D8:E6:24:80:73:8F: 1D:C6:F4:71:EB:02:21:00:83:47:D1:2C:0C:CE:27:63: A0:6C:37:45:CD:37:90:F3:D6:99:1A:EE:A2:7B:98:3D: 47:C0:50:66:C0:0E:DD:98 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Sep 16 22:09:35.444 2026 GMT Extensions: 00:00:05:00:35:6D:EE:BF Signature : ecdsa-with-SHA256 30:45:02:21:00:C3:BD:8C:69:81:0C:E8:9C:82:37:6A: 43:72:8A:C5:EB:76:B3:42:CC:B2:A0:90:39:A3:D4:B0: 02:D7:44:FC:25:02:20:27:98:13:5C:AB:4E:10:F6:45: A7:CB:9D:1B:66:0F:8D:44:9D:F0:28:B9:CB:45:AE:8B: 5A:80:1E:39:E2:A2:D2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-19T09:13:02+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
684
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
2145
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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