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

mail2.justhost.ru · 46.29.163.201:443

Verified

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

Subject
CN=mail2.justhost.ru
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-09T09:46:22+00:00
Expires
2026-11-07T09:46:21+00:00
Days remaining
39
Serial (hex)
06A65E5FB00DC6C7E1E892EC76940BA795F2
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:mail2.justhost.ru

SHA-256 fingerprint

2D:7F:AB:18:1F:96:49:3D:4D:25:97:4C:B3:D7:AD:75:14:BF:D7:CB:15:BA:16:ED:A3:2B:F3:5D:03:96:C7:69
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
EC:39:33:2B:D1:0A:61:FC:BE:6F:CA:40:4B:67:4B:B0:03:BC:68:5F
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:mail2.justhost.ru
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/115.crl
ct_precert_scts
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 : Aug 9 10:44:53.030 2026 GMT Extensions: 00:00:05:00:19:E3:A4:7B Signature : ecdsa-with-SHA256 30:45:02:21:00:B7:91:B8:78:1A:3A:64:FC:66:4D:B4: 17:41:16:0B:12:19:AD:EF:F7:D7:D8:37:3C:DE:F4:2C: 96:EE:6C:00:D7:02:20:17:78:21:C9:96:EE:81:84:40: 05:69:BF:24:63:0D:70:C9:6F:73:A2:96:F7:DB:91:57: 89:FE:97:49:A3:76:42 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Aug 9 10:44:54.875 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:BE:6D:5E:A8:D9:D4:31:18:C3:23:7D: A7:E3:28:41:D0:73:E0:B2:7C:7C:E4:3F:37:E8:79:EF: 32:45:7D:EF:D2:02:21:00:83:B7:44:95:00:2E:65:E8: A2:5B:0C:97:2F:31:75:54:43:DF:77:84:5F:3F:1D:AA: FB:3C:FC:7D:DA:DA:DB:15
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-29T05:46:54+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
704
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
2165
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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