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

tecnetmza.com.ar · 8.8.8.8:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `tecnetmza.com.ar'

Certificate verification failed

Subject
CN=dns.google
Issuer
C=US O=Google Trust Services CN=WR2
Valid from
2026-10-07T19:09:50+00:00
Expires
2026-12-30T19:09:49+00:00
Days remaining
55
Serial (hex)
3C3C77B79994DAA00A1786A9CA2215B6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:dns.google, DNS:dns.google.com, DNS:*.dns.google.com, DNS:8888.google, DNS:dns64.dns.google, IP Address:8.8.8.8, IP Address:8.8.4.4, IP Address:8.8.8.53, IP Address:2001:4860:4860:0:0:0:0:8888, IP Address:2001:4860:4860:0:0:0:0:8844, IP Address:2001:4860:4860:0:0:0:0:6464, IP Address:2001:4860:4860:0:0:0:0:64

SHA-256 fingerprint

63:88:F2:D3:04:43:84:1D:B3:A0:D3:2C:78:9B:F6:19:50:64:F2:DD:04:72:0D:07:C4:5C:8A:7D:DF:A3:E9:08
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
E8:3A:58:87:CF:D7:75:13:EA:20:BD:C2:70:6B:24:58:13:3F:7C:72
authorityKeyIdentifier
DE:1B:1E:ED:79:15:D4:3E:37:24:C3:21:BB:EC:34:39:6D:42:B2:30
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/wr2.crt
subjectAltName
DNS:dns.google, DNS:dns.google.com, DNS:*.dns.google.com, DNS:8888.google, DNS:dns64.dns.google, IP Address:8.8.8.8, IP Address:8.8.4.4, IP Address:8.8.8.53, IP Address:2001:4860:4860:0:0:0:0:8888, IP Address:2001:4860:4860:0:0:0:0:8844, IP Address:2001:4860:4860:0:0:0:0:6464, IP Address:2001:4860:4860:0:0:0:0:64
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 7 20:09:52.111 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3E:D9:89:12:BE:B9:9A:FC:29:18:DE:68: FF:08:10:C1:08:6D:AE:82:25:7B:CC:64:57:C0:04:78: 02:A3:C7:B8:02:21:00:B6:B1:FD:AB:2F:F7:F1:87:50: C9:98:E1:D0:7E:08:BD:DE:E6:A8:9F:A7:3B:A3:9F:E8: F1:74:3A:0F:4C:E0:FA Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 25:B7:EF:DE:A1:13:01:93:ED:93:07:97:70:AA:32:2A: 26:62:0D:E3:5A:C8:AA:7C:75:19:7D:E0:B1:A9:E0:65 Timestamp : Oct 7 20:09:52.173 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9F:10:DE:D9:D8:32:1B:B9:FD:C8:00: 98:1A:D3:67:63:15:CF:AE:7D:75:BF:46:E9:4C:39:D8: 49:C9:AF:81:D3:02:20:22:28:3E:24:48:5F:3B:8B:09: 4A:12:59:5C:FF:CD:5E:D4:FD:4B:A3:AB:4D:24:14:DE: 56:D1:A4:3F:81:9A:FD
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-05T12:11:17+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Google Trust Services CN=WR2
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
838
Serial (hex)
7FF005A07C4CDED100AD9D66A5107B98
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E6:FE:22:BF:45:E4:F0:D3:B8:5C:59:E0:2C:0F:49:54:18:E1:EB:8D:32:10:F7:88:D4:8C:D5:E1:CB:54:7C:D4
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
DE:1B:1E:ED:79:15:D4:3E:37:24:C3:21:BB:EC:34:39:6D:42:B2:30
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
448
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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