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

TLSv1.2

poundhost.com · 85.233.172.18:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=*.poundhost.com
Issuer
C=US O=GeoTrust Inc. CN=RapidSSL SHA256 CA
Valid from
2017-04-20T00:00:00+00:00
Expires
2018-04-20T23:59:59+00:00
Days remaining
-3078
Serial (hex)
7C2A44DBE2B1AD3E3F696715A0053A29
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.poundhost.com, DNS:poundhost.com

SHA-256 fingerprint

26:F9:88:FB:83:BE:4F:86:EC:E4:B8:C0:01:70:6E:CD:D3:B4:3E:C7:9A:78:7A:44:8A:A8:6A:BF:AB:BC:B0:C5
Certificate extensions & PEM
subjectAltName
DNS:*.poundhost.com, DNS:poundhost.com
basicConstraints
CA:FALSE
crlDistributionPoints
Full Name: URI:http://gp.symcb.com/gp.crl
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: https://www.rapidssl.com/legal User Notice: Explicit Text: https://www.rapidssl.com/legal
authorityKeyIdentifier
97:C2:27:50:9E:C2:C9:EC:0C:88:32:C8:7C:AD:E2:A6:01:4F:DA:6F
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://gp.symcd.com CA Issuers - URI:http://gp.symcb.com/gp.crt
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : DD:EB:1D:2B:7A:0D:4F:A6:20:8B:81:AD:81:68:70:7E: 2E:8E:9D:01:D5:5C:88:8D:3D:11:C4:CD:B6:EC:BE:CC Timestamp : Apr 20 12:53:13.902 2017 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3E:02:67:D9:1F:38:8C:A7:E8:EF:34:A8: B2:80:0A:B6:F9:62:A4:47:08:7B:BF:BF:AA:DB:F0:D6: EA:01:5A:49:02:21:00:B3:8E:13:49:E8:3B:21:9C:50: 76:32:79:07:34:3D:73:EC:13:30:8D:FB:4D:FA:CA:EC: 41:A8:FC:C3:A7:21:61 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A4:B9:09:90:B4:18:58:14:87:BB:13:A2:CC:67:70:0A: 3C:35:98:04:F9:1B:DF:B8:E3:77:CD:0E:C8:0D:DC:10 Timestamp : Apr 20 12:53:13.962 2017 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EB:AB:56:97:C8:FE:2B:9A:5F:51:CE: 4F:67:69:49:5D:96:82:7D:81:AC:BA:BC:33:B2:D9:2F: BF:45:88:26:81:02:21:00:F8:4D:93:73:13:FF:27:FF: 50:8E:FD:C6:60:68:0B:A7:E8:28:C2:A9:7E:E1:93:84: E4:21:A2:0B:9F:3F:29:2C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-23T17:25:03+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=GeoTrust Inc. CN=RapidSSL SHA256 CA
Issuer
C=US O=GeoTrust Inc. CN=GeoTrust Global CA
Valid from
2013-12-11T23:45:51+00:00
Expires
2022-05-20T23:45:51+00:00
Days remaining
-1587
Serial (hex)
023A71
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DirName:CN = SymantecPKI-1-569

SHA-256 fingerprint

E6:68:3E:88:31:5C:D1:CB:40:3C:0C:EA:49:0F:7C:4B:4C:82:C9:1C:D4:85:03:74:89:AA:DB:AA:90:83:9F:61
Certificate extensions & PEM
authorityKeyIdentifier
C0:7A:98:68:8D:89:FB:AB:05:64:0C:11:7D:AA:7D:65:B8:CA:CC:4E
subjectKeyIdentifier
97:C2:27:50:9E:C2:C9:EC:0C:88:32:C8:7C:AD:E2:A6:01:4F:DA:6F
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Certificate Sign, CRL Sign
crlDistributionPoints
Full Name: URI:http://g1.symcb.com/crls/gtglobal.crl
authorityInfoAccess
OCSP - URI:http://g2.symcb.com
certificatePolicies
Policy: 2.16.840.1.113733.1.7.54 CPS: http://www.geotrust.com/resources/cps
subjectAltName
DirName:CN = SymantecPKI-1-569
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=GeoTrust Inc. CN=GeoTrust Global CA
Issuer
C=US O=GeoTrust Inc. CN=GeoTrust Global CA
Valid from
2002-05-21T04:00:00+00:00
Expires
2022-05-21T04:00:00+00:00
Days remaining
-1587
Serial (hex)
023456
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

FF:85:6A:2D:25:1D:CD:88:D3:66:56:F4:50:12:67:98:CF:AB:AA:DE:40:79:9C:72:2D:E4:D2:B5:DB:36:A7:3A
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
C0:7A:98:68:8D:89:FB:AB:05:64:0C:11:7D:AA:7D:65:B8:CA:CC:4E
authorityKeyIdentifier
C0:7A:98:68:8D:89:FB:AB:05:64:0C:11:7D:AA:7D:65:B8:CA:CC:4E
-----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.

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