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

astronet.com.br · 185.230.63.107:443

Verified

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

Subject
CN=astronet.com.br
Issuer
C=US O=Google Trust Services CN=WR1
Valid from
2026-08-25T21:20:55+00:00
Expires
2026-11-23T21:20:54+00:00
Days remaining
47
Serial (hex)
BEF2C00530E6C79F112BBF94ED3BEB79
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:astronet.com.br, DNS:www.astronet.com.br

SHA-256 fingerprint

1D:09:43:5A:C2:01:69:03:2A:52:8D:F1:4C:48:54:33:78:E7:9F:6C:A4:31:4A:11:FA:34:1E:32:AF:C3:63:06
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
87:AF:1B:8A:58:49:E3:6A:4E:55:06:4B:DD:15:07:59:01:92:A4:67
authorityKeyIdentifier
66:69:49:D4:DE:2A:9C:91:03:CF:89:0E:24:B8:0E:30:03:6E:88:2E
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/wr1.crt
subjectAltName
DNS:astronet.com.br, DNS:www.astronet.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/wr1/zuhU_EF_Siw.crl
ct_precert_scts
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 : Aug 25 22:20:55.772 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F4:A4:1A:D5:02:F4:69:9F:97:2C:F7: 23:61:26:CB:05:5F:25:70:8C:0F:BC:E4:7B:E9:B4:21: C7:CD:E1:CC:C8:02:20:5A:FE:6B:8E:5C:3E:5A:C8:72: 1C:6C:57:17:45:50:BB:0D:85:A3:6B:CF:54:10:06:5B: 5E:98:FD:0A:9E:40:D4 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Aug 25 22:20:56.805 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:86:D4:BA:CA:CC:98:3B:84:3D:7F:A9: CA:05:FE:51:EA:1D:E8:71:7E:C5:D2:5F:0F:DF:C6:24: 25:D3:D3:6C:61:02:21:00:AF:1B:18:86:D1:70:3D:04: 52:09:CF:E7:1A:CA:BD:8F:2F:72:E3:54:5B:15:FB:A3: 79:41:4F:32:05:4E:E5:1E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-06T21:35:19+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Google Trust Services CN=WR1
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
867
Serial (hex)
7FD9E2C2D2048A0474B627A26D0868A7
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B1:0B:6F:00:E6:09:50:9E:87:00:F6:D3:46:87:A2:BF:CE:38:EA:05:A8:FD:F1:CD:C4:0C:3A:2A:0D:0D:0E:45
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
66:69:49:D4:DE:2A:9C:91:03:CF:89:0E:24:B8:0E:30:03:6E:88:2E
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
478
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-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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