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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

comnet.com.ar · 181.88.192.30:443

Verified

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

Subject
CN=comnet.com.ar
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-01T03:58:02+00:00
Expires
2026-10-30T03:58:01+00:00
Days remaining
34
Serial (hex)
0600013486F79BB0BD89DEC5EE6D8E3B9734
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:comnet.com.ar

SHA-256 fingerprint

20:92:99:2C:64:F1:86:AF:43:1E:9E:70:19:F4:9D:75:D6:D2:62:C0:A2:27:5A:49:48:69:40:0B:5D:C4:7D:A2
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
BA:BC:A9:1D:EE:FE:29:EB:EC:81:98:92:B7:7B:41:84:BA:C3:66:3A
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:comnet.com.ar
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/53.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Aug 1 04:56:32.425 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:49:DE:B4:8B:92:48:A3:D0:83:E7:31:70: 15:08:5B:10:B8:BA:79:AA:2B:6C:7D:16:CA:9A:A7:1F: EB:30:E1:C2:02:21:00:E3:7A:E8:E7:0C:9E:29:FC:40: A9:F7:6A:1B:59:40:7C:AC:C9:54:9B:01:BB:3C:D0:34: 96:26:7B:48:D5:4A:4D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Aug 1 04:56:32.654 2026 GMT Extensions: 00:00:05:00:17:98:84:F7 Signature : ecdsa-with-SHA256 30:45:02:21:00:8E:C4:55:22:66:33:F3:E5:90:FF:C9: FF:1E:1F:BF:F6:3E:47:ED:78:AB:A7:EB:DC:52:82:6C: 23:B8:10:86:29:02:20:6A:57:7D:AC:F1:46:EA:20:E8: B7:CA:6D:C9:E6:A9:D4:C2:2E:11:97:78:17:20:4F:26: 85:97:D1:63:C5:99:BE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-25T19:01:46+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
708
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2169
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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