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

mail.jink.host · 198.251.88.65:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `mail.jink.host'

Certificate verification failed

Subject
CN=plumbersvaldostaga.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-08T06:27:13+00:00
Expires
2026-12-07T06:27:12+00:00
Days remaining
52
Serial (hex)
05D96A9AC3584488F4DD38BCB75CF7951B1F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.plumbersvaldostaga.com, DNS:plumbersvaldostaga.com

SHA-256 fingerprint

82:65:22:FB:B0:DB:30:18:5D:C0:55:71:53:EC:D3:EA:1C:F8:92:3E:C8:3A:36:F1:3F:6A:72:06:7C:C3:DB:47
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
48:68:80:DC:6A:7F:B2:EA:EE:45:C7:E5:AA:9A:3E:47:66:FF:D9:57
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:*.plumbersvaldostaga.com, DNS:plumbersvaldostaga.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/32.crl
ct_precert_scts
Signed 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 : Sep 8 07:25:44.365 2026 GMT Extensions: 00:00:05:00:3D:E8:34:C4 Signature : ecdsa-with-SHA256 30:45:02:20:23:DC:EA:75:4B:01:24:98:BB:21:B9:6F: E6:A0:9F:BB:A1:67:7E:3A:E0:3E:D7:95:B7:7B:3D:BD: 59:A8:31:EC:02:21:00:BD:A3:05:48:EB:CC:20:CC:1E: 3E:A4:7A:6F:FC:6E:34:BF:BC:E0:EE:C7:F7:54:E9:55: 87:DD:E3:9B:29:DC:83 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Sep 8 07:25:44.067 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:26:32:50:D7:72:EB:26:1F:8E:56:33:99: C3:22:B0:33:9D:84:F0:08:87:C6:BF:BB:5E:84:E5:A8: 50:06:D2:15:02:21:00:F9:7B:69:A1:41:5C:58:7E:AC: 4C:5C:3F:2D:02:86:4F:17:DB:E3:40:28:40:FA:0F:2D: 60:A9:D1:86:E3:62:F6
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-16T01:03:24+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
687
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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
2148
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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