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

xnc.de · 212.44.160.37:443

Verified

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

Subject
CN=www.xnc.com
Issuer
C=US O=Let's Encrypt CN=YE2
Valid from
2026-10-12T01:12:47+00:00
Expires
2027-01-10T01:12:46+00:00
Days remaining
81
Serial (hex)
051EA205361390F0895E1D833252E01A3BDC
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:www.xenologics.cologne, DNS:www.xenologics.com, DNS:www.xenologics.de, DNS:www.xenologics.eu, DNS:www.xenologics.koeln, DNS:www.xenologics.net, DNS:www.xenologics.nrw, DNS:www.xnc.biz, DNS:www.xnc.cologne, DNS:www.xnc.com, DNS:www.xnc.de, DNS:www.xnc.info, DNS:www.xnc.koeln, DNS:www.xnc.net, DNS:www.xnc.nrw, DNS:xenologics.cologne, DNS:xenologics.com, DNS:xenologics.de, DNS:xenologics.eu, DNS:xenologics.koeln, DNS:xenologics.net, DNS:xenologics.nrw, DNS:xnc.biz, DNS:xnc.cologne, DNS:xnc.com, DNS:xnc.de, DNS:xnc.info, DNS:xnc.koeln, DNS:xnc.net, DNS:xnc.nrw

SHA-256 fingerprint

24:54:27:C8:50:83:BF:FF:32:1C:C1:E2:49:94:F3:B2:FC:B9:FD:62:A8:01:5C:0A:E1:23:58:A4:56:9E:87:AD
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6B:9C:AB:AB:CA:F0:EB:46:A3:B3:F9:69:B4:55:8A:C0:71:3E:A9:D5
authorityKeyIdentifier
B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityInfoAccess
CA Issuers - URI:http://ye2.i.lencr.org/
subjectAltName
DNS:www.xenologics.cologne, DNS:www.xenologics.com, DNS:www.xenologics.de, DNS:www.xenologics.eu, DNS:www.xenologics.koeln, DNS:www.xenologics.net, DNS:www.xenologics.nrw, DNS:www.xnc.biz, DNS:www.xnc.cologne, DNS:www.xnc.com, DNS:www.xnc.de, DNS:www.xnc.info, DNS:www.xnc.koeln, DNS:www.xnc.net, DNS:www.xnc.nrw, DNS:xenologics.cologne, DNS:xenologics.com, DNS:xenologics.de, DNS:xenologics.eu, DNS:xenologics.koeln, DNS:xenologics.net, DNS:xenologics.nrw, DNS:xnc.biz, DNS:xnc.cologne, DNS:xnc.com, DNS:xnc.de, DNS:xnc.info, DNS:xnc.koeln, DNS:xnc.net, DNS:xnc.nrw
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye2.c.lencr.org/93.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Oct 12 02:11:17.280 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2F:AF:D6:DF:72:ED:51:1E:8F:8C:24:7A: 9C:0E:8F:04:3B:DF:50:49:A8:C3:B4:7C:3C:C6:7E:D8: A0:DB:F4:B1:02:20:6C:76:3C:86:AD:9B:3B:27:B9:15: 27:DC:EB:40:44:EF:B2:56:FF:35:7B:FA:63:ED:46:6C: 15:F4:24:B6:30:42 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Oct 12 02:11:17.654 2026 GMT Extensions: 00:00:05:00:21:6E:EB:9D Signature : ecdsa-with-SHA256 30:45:02:21:00:A4:E2:26:FE:1E:14:99:2D:26:C4:8B: 9F:AE:F9:4B:AE:2F:06:94:1B:EE:DA:36:E9:B9:48:57: 96:7C:E3:22:54:02:20:33:04:EB:FD:55:59:91:89:4E: AD:D5:5D:22:DA:E7:F3:8D:BD:02:3A:5C:37:CB:B8:3A: CB:2B:CB:0F:80:0D:58
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-20T04:09:27+00:00

Server-presented chain · 3 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YE2
Issuer
C=US O=ISRG CN=Root YE
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
683
Serial (hex)
4DF3B15DD6C0784C507CD37B58E6F115
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

97:65:8D:E8:C6:8D:FA:98:AC:E1:E5:02:8A:63:D5:4A:1A:AE:91:1B:3E:21:47:10:76:C6:85:0C:D0:8C:BA:B4
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityKeyIdentifier
A3:C8:26:5A:8E:A1:4C:D0:35:63:FC:9B:23:C8:3A:AE:56:F3:4F:56
authorityInfoAccess
CA Issuers - URI:http://ye.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YE
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X2
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2144
Serial (hex)
872165FC34B6E5FBA8ADD5B3705FB53A
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

0F:C0:90:1C:CA:2B:AE:9E:9F:DB:B0:2D:50:D0:2F:10:94:F7:B3:66:72:08:69:91:B9:E8:97:62:6D:C4:85:F0
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
A3:C8:26:5A:8E:A1:4C:D0:35:63:FC:9B:23:C8:3A:AE:56:F3:4F:56
authorityKeyIdentifier
7C:42:96:AE:DE:4B:48:3B:FA:92:F8:9E:8C:CF:6D:8B:A9:72:37:95
authorityInfoAccess
CA Issuers - URI:http://x2.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x2.c.lencr.org/ 
-----BEGIN CERTIFICATE-----
MIICpjCCAiugAwIBAgIRAIchZfw0tuX7qK3Vs3BftTowCgYIKoZIzj0EAwMwTzEL
MAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2VhcmNo
IEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDIwHhcNMjYwNTEzMDAwMDAwWhcN
MzIwOTAyMjM1OTU5WjAuMQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQMA4G
A1UEAxMHUm9vdCBZRTB2MBAGByqGSM49AgEGBSuBBAAiA2IABDwS/6vhrcVqcbBo
+wgdI3fwn9x7DNJJOY/lTOti0vkwuRN87RhEhTH17E7XyFjWsPYhIPt/wzOqxTd2
b+4ZJNy9ID04YywF9U5zasDVyGSNErVNtz8uSGh5izW87j77GaOB6zCB6DAOBgNV
HQ8BAf8EBAMCAQYwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDwYDVR0TAQH/BAUwAwEB
/zAdBgNVHQ4EFgQUo8gmWo6hTNA1Y/ybI8g6rlbzT1YwHwYDVR0jBBgwFoAUfEKW
rt5LSDv6kviejM9ti6lyN5UwMgYIKwYBBQUHAQEEJjAkMCIGCCsGAQUFBzAChhZo
dHRwOi8veDIuaS5sZW5jci5vcmcvMBMGA1UdIAQMMAowCAYGZ4EMAQIBMCcGA1Ud
HwQgMB4wHKAaoBiGFmh0dHA6Ly94Mi5jLmxlbmNyLm9yZy8wCgYIKoZIzj0EAwMD
aQAwZgIxAMU19WCtmxVND8UHBZRoma49Z7jPs64Dma0eTu1OChVbB/2J7GV3nvYK
Ax54uk1G9QIxAO0miLVJu8PLNiXXXkiE/gsK3CTRTF/aeo4bMX42Zw40csRU6AC2
6hSW1/IWaas6dg==
-----END CERTIFICATE-----

Chain certificate 3

Subject
C=US O=Internet Security Research Group CN=ISRG Root X2
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
2144
Serial (hex)
6C8F1DC727C7117F7BAF853AC980F9CD
Signature
RSA-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

EE:5F:7A:BD:69:81:BB:02:55:63:2C:D8:F4:92:83:45:1B:4B:18:84:4D:12:04:0B:44:EE:00:F0:7B:8F:E2:C6
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
7C:42:96:AE:DE:4B:48:3B:FA:92:F8:9E:8C:CF:6D:8B:A9:72:37:95
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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