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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

netcon.at · 109.70.238.1:443

Verified

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

Subject
CN=netcon.at
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-07T16:59:02+00:00
Expires
2026-12-06T16:59:01+00:00
Days remaining
31
Serial (hex)
055A0F1D7E9C59F6182A8847BE7E5FC72791
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:netcon.at, DNS:www.netcon.at

SHA-256 fingerprint

7A:26:BF:D4:C0:B8:44:29:C0:EC:65:BF:77:0D:98:99:DF:36:D0:69:EB:F0:4C:08:B8:23:56:72:0A:7C:FB:00
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
A0:C8:DD:B1:09:55:DA:0C:75:B6:FC:F5:0F:F6:92:2F:06:38:D0:4C
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:netcon.at, DNS:www.netcon.at
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/18.crl
ct_precert_scts
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 : Sep 7 17:57:33.049 2026 GMT Extensions: 00:00:05:00:2E:11:CE:19 Signature : ecdsa-with-SHA256 30:44:02:20:0C:E7:D2:69:79:FA:CE:7D:46:0D:BF:A7: 12:D7:30:CD:4E:13:63:43:39:9D:3D:4C:CA:80:6E:30: 64:47:C3:4E:02:20:4B:AA:47:2C:A3:55:95:30:62:A0: F0:EB:E6:B5:BC:37:F8:CE:37:B3:54:4B:07:A6:99:CA: C2:BE:1F:68:B9:99 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 : Sep 7 17:57:32.914 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:54:A1:51:B8:2A:47:FF:0F:20:6D:6D:B8: 7C:F1:DA:6D:2D:C8:46:6F:28:66:DB:A8:71:BF:26:F4: 2E:40:84:8C:02:20:7C:F4:46:59:8F:14:C4:A1:94:61: 88:55:2B:70:F4:3D:96:15:FE:43:64:58:CB:E7:02:45: 15:BF:C8:E4:C7:9D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T00:19:35+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
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
667
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
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
2128
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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