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

squild.de · 109.233.137.194:443

Verified

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

Subject
CN=www.squild.de
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-22T07:15:05+00:00
Expires
2026-12-21T07:15:04+00:00
Days remaining
52
Serial (hex)
06E7BFE42A7D8C27FF0FB0D833B5F9C9FDE6
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:sovereign-cloud-days.eu, DNS:squild.de, DNS:www.sovereign-cloud-days.eu, DNS:www.squild.de

SHA-256 fingerprint

57:E2:12:F4:0E:E3:51:80:52:27:26:37:2E:26:48:EC:BD:68:C1:C5:EB:FF:1C:3E:AF:EE:F3:E1:47:A1:9C:2C
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
05:B4:A2:EA:A4:78:3C:F3:F1:46:9C:EA:8F:79:64:15:FA:3B:FE:A0
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:sovereign-cloud-days.eu, DNS:squild.de, DNS:www.sovereign-cloud-days.eu, DNS:www.squild.de
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/103.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 : Sep 22 08:13:35.671 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:70:AC:50:59:6B:27:6A:EA:AE:E4:23:3D: 3A:57:04:C7:91:98:AC:9B:AF:FD:41:AC:30:F4:F2:06: 84:9C:8E:2F:02:21:00:DB:57:40:8B:C0:09:5D:68:16: 63:4E:62:D8:05:FB:61:96:80:8A:C0:68:C1:73:A9:F0: 3E:4D:86:B0:26:3D:3E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Sep 22 08:13:33.314 2026 GMT Extensions: 00:00:05:00:45:02:08:4A Signature : ecdsa-with-SHA256 30:45:02:21:00:E6:23:83:75:F3:0F:FC:AF:57:C8:BE: 7D:51:DB:9A:2E:E0:93:6B:AE:97:5F:CC:B3:3B:65:3B: 97:5F:A1:64:FA:02:20:02:CF:20:4E:68:0E:29:7F:1F: FE:8B:CF:0F:D5:60:0E:33:40:B3:79:49:5E:17:21:FE: 55:6D:A4:42:BB:20:DE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-29T19:18:05+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
674
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
2135
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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