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

fullstop.ai · 199.36.158.100:443

Verified

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

Subject
CN=fullstop.ai
Issuer
C=US O=Google Trust Services CN=WR3
Valid from
2026-09-16T09:10:23+00:00
Expires
2026-12-15T10:09:37+00:00
Days remaining
44
Serial (hex)
19FE5005C7B7EE09128773BA612AF412
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:fullstop.ai, DNS:cyan.fullstop.ai, DNS:my.fullstop.ai, DNS:thinktank.fullstop.ai, DNS:www.fullstop.ai, DNS:smartspeak.ai, DNS:www.smartspeak.ai, DNS:smartspeak.com.au, DNS:www.smartspeak.com.au, DNS:smartspeak.com, DNS:www.smartspeak.com

SHA-256 fingerprint

C4:51:49:87:E7:9F:E7:C1:0D:FB:EF:B5:9D:EE:96:55:F6:FF:D9:8F:20:73:00:80:33:CD:0B:FC:1A:36:3E:EF
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6C:70:24:41:C4:19:FD:4A:6F:1A:9B:D5:8F:A2:14:4E:26:21:10:C8
authorityKeyIdentifier
C7:81:F5:FD:8E:88:D9:00:3C:4D:63:A2:50:31:24:A0:CE:23:FE:23
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/wr3.crt
subjectAltName
DNS:fullstop.ai, DNS:cyan.fullstop.ai, DNS:my.fullstop.ai, DNS:thinktank.fullstop.ai, DNS:www.fullstop.ai, DNS:smartspeak.ai, DNS:www.smartspeak.ai, DNS:smartspeak.com.au, DNS:www.smartspeak.com.au, DNS:smartspeak.com, DNS:www.smartspeak.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/wr3/EpRuR3RoBnI.crl
ct_precert_scts
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 : Sep 16 10:10:25.725 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B2:90:EE:2B:D7:F1:C6:0E:75:68:8C: F3:CF:05:A5:2A:66:CF:23:57:0A:F6:43:A2:7C:9C:39: 6C:7F:B1:3F:0D:02:20:32:88:02:2E:94:D4:EC:DC:2C: C9:01:2C:5A:F3:08:FB:10:5A:1B:C8:0D:42:AD:66:44: 12:03:CF:E7:DD:BC:57 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 10:10:24.673 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C4:48:C6:82:D7:A6:65:6E:61:CA:58: 6C:A2:6A:B5:26:A9:25:73:05:17:A7:F7:28:F5:80:74: 0D:E9:E4:C7:D4:02:20:49:FC:D3:9C:44:92:49:12:3E: 95:C6:2C:C2:CF:95:DF:54:94:F3:B1:F8:1E:58:DC:B0: D8:F3:74:9A:3A:07:18
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-31T20:22:36+00:00

Server-presented chain · 3 additional certificates

Chain certificate 1

Subject
C=US O=Google Trust Services CN=WR3
Issuer
C=US O=Google Trust Services LLC CN=GTS Root R1
Valid from
2023-12-13T09:00:00+00:00
Expires
2029-02-20T14:00:00+00:00
Days remaining
842
Serial (hex)
7FF005A91568D63ABC22861684AA4B5A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

2F:E3:57:DB:13:75:1F:F9:16:0E:87:35:49:75:B3:40:74:98:F4:1C:9B:D1:6A:48:65:78:66:E6:E5:A9:B4:C7
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
C7:81:F5:FD:8E:88:D9:00:3C:4D:63:A2:50:31:24:A0:CE:23:FE:23
authorityKeyIdentifier
E4:AF:2B:26:71:1A:2B:48:27:85:2F:52:66:2C:EF:F0:89:13:71:3E
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/r1.crt
crlDistributionPoints
Full Name: URI:http://c.pki.goog/r/r1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Google Trust Services LLC CN=GTS Root R1
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2020-06-19T00:00:42+00:00
Expires
2028-01-28T00:00:42+00:00
Days remaining
453
Serial (hex)
77BD0D6CDB36F91AEA210FC4F058D30D
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

3E:E0:27:8D:F7:1F:A3:C1:25:C4:CD:48:7F:01:D7:74:69:4E:6F:C5:7E:0C:D9:4C:24:EF:D7:69:13:39:18:E5
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
E4:AF:2B:26:71:1A:2B:48:27:85:2F:52:66:2C:EF:F0:89:13:71:3E
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
OCSP - URI:http://ocsp.pki.goog/gsr1 CA Issuers - URI:http://pki.goog/gsr1/gsr1.crt
crlDistributionPoints
Full Name: URI:http://crl.pki.goog/gsr1/gsr1.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.11129.2.5.3.2 Policy: 1.3.6.1.4.1.11129.2.5.3.3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 3

Subject
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
1998-09-01T12:00:00+00:00
Expires
2028-01-28T12:00:00+00:00
Days remaining
453
Serial (hex)
040000000001154B5AC394
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

EB:D4:10:40:E4:BB:3E:C7:42:C9:E3:81:D3:1E:F2:A4:1A:48:B6:68:5C:96:E7:CE:F3:C1:DF:6C:D4:33:1C:99
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
-----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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