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

mailstd-04.zth.netdesignhost.com · 118.27.146.33:443

Verified

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

Subject
CN=*.zth.netdesignhost.com
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Valid from
2026-10-07T03:17:03+00:00
Expires
2027-04-24T03:06:08+00:00
Days remaining
195
Serial (hex)
59B1B04DEFC00DF822B2B21F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.zth.netdesignhost.com, DNS:zth.netdesignhost.com

SHA-256 fingerprint

79:31:7E:DE:C0:7C:FF:99:99:F1:C5:85:D1:EA:A0:36:6D:3C:32:FD:98:BA:60:22:9B:3E:9E:8D:84:80:94:74
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46alphasslca2025.crl
subjectAltName
DNS:*.zth.netdesignhost.com, DNS:zth.netdesignhost.com
authorityKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
F1:28:2F:87:2B:3D:27:BC:C5:20:C4:F0:74:9D:40:29:AF:4E:A1:A0
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Oct 7 03:17:07.861 2026 GMT Extensions: 00:00:05:00:1E:29:7B:6C Signature : ecdsa-with-SHA256 30:46:02:21:00:B0:40:46:0F:ED:70:05:F4:C6:76:F6: 85:33:F5:F6:60:01:EE:42:07:53:75:B7:F1:6C:E7:E6: 59:75:3C:AD:5E:02:21:00:90:80:5E:CF:FC:91:98:2F: 91:FE:01:8F:5C:D8:B0:E2:85:35:8D:20:91:9C:C1:79: E6:37:21:8B:D1:DF:46:08 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Oct 7 03:17:07.997 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9B:C9:D3:CF:09:28:24:E6:A1:48:E3: F4:4A:F4:0C:36:0E:96:4E:E3:D8:CA:14:AD:C5:3E:EF: ED:38:AE:5F:72:02:20:20:E5:64:61:F6:0A:86:0C:7F: 53:02:1E:3D:64:7B:C4:76:4E:F0:74:81:43:42:BA:AF: DB:F0:16:64:80:B3:12 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Oct 7 03:17:07.892 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BC:5A:C8:48:D8:B9:DB:84:F2:7C:DE: 87:09:C2:6F:6F:2C:89:EC:0E:CE:C6:81:88:A9:D1:32: F2:C1:AA:6E:A6:02:20:60:CB:0F:56:FD:FA:6A:D7:F2: F4:99:3D:06:4E:B2:22:90:02:7E:0A:17:F7:F2:A3:B3: A3:BC:5E:99:1A:B1:BE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-10T17:58:53+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-09-17T02:55:30+00:00
Expires
2029-06-23T00:00:00+00:00
Days remaining
986
Serial (hex)
8443586F6396264381337C801A2E6118
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D2:AC:9D:CC:7A:25:50:29:A5:F5:18:0D:63:F1:A9:ED:60:E1:14:12:A8:5C:14:8D:4B:71:F6:AE:1A:36:69:5C
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----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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