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

syzygy.de · 52.18.48.88:443

Verified

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

Subject
CN=*.syzygy.de
Issuer
C=US O=GoDaddy.com CN=GoDaddy TLS Intermediate CA DV - R1v1
Valid from
2026-09-21T10:07:49+00:00
Expires
2027-04-07T10:07:49+00:00
Days remaining
148
Serial (hex)
5F2B77C298ECEB9A
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.syzygy.de, DNS:syzygy.de

SHA-256 fingerprint

1F:B7:5F:63:FB:60:39:5E:B1:BE:64:64:41:01:AA:49:4A:DD:40:61:E3:F2:68:D2:0A:EA:3D:ED:56:87:A4:A1
Certificate extensions & PEM
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
keyUsage
Digital Signature, Key Encipherment
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gdr1v1dv_s1-16.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.16.840.1.114413.1.7.23.1 CPS: http://certificates.godaddy.com/repository/
authorityInfoAccess
CA Issuers - URI:http://certificates.godaddy.com/repository/gd_tls_issuing_dv-r1v1.crt OCSP - URI:http://ocsp.godaddy.com/
authorityKeyIdentifier
89:EB:E7:1D:79:C3:BE:DB:3F:DC:8E:20:B0:FB:E4:1E:7C:39:F6:2B
subjectAltName
DNS:*.syzygy.de, DNS:syzygy.de
subjectKeyIdentifier
CF:4F:22:7B:5B:9C:A2:58:B6:7F:24:D1:57:F0:B4:C4:C3:60:C4:AC
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 21 10:07:50.068 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B7:C1:A2:10:3A:72:A0:1F:7F:A9:69: AF:C4:E6:45:41:50:D6:BB:59:28:11:98:F6:59:1D:7F: 8A:94:89:5A:0B:02:21:00:FA:48:04:2C:02:3D:46:23: CB:A8:C1:33:38:3C:F6:31:F0:85:F3:5D:32:26:74:2C: 1D:E6:CF:C3:68:81:54:68 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 : Sep 21 10:07:50.620 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3B:1B:A5:B9:14:0B:70:D0:CF:F9:2C:A7: 7E:1B:43:39:39:BB:D8:D6:BA:12:32:52:16:08:B4:B4: D0:30:72:E7:02:21:00:B7:D6:B9:54:F4:23:F3:AB:12: 10:F5:18:E0:80:23:BC:E5:BC:CB:81:C9:D3:88:D0:34: 98:EF:AB:5C:FB:E8:74 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Sep 21 10:07:50.899 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CE:02:55:67:57:C5:15:1D:72:00:8C: E3:44:A5:27:66:EB:C2:FA:EA:B8:54:82:DB:30:5F:8D: 54:9C:4B:4A:C0:02:20:33:4E:53:03:A8:79:13:47:9F: 77:F9:B0:A1:E8:B2:68:2D:BE:AC:8B:B6:AD:CF:0C:DB: 1A:19:C6:2C:21:BB:10
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-10T01:12:05+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=GoDaddy.com CN=GoDaddy TLS Intermediate CA DV - R1v1
Issuer
C=US O=GoDaddy.com CN=GoDaddy TLS Root CA - R1
Valid from
2025-08-28T12:00:00+00:00
Expires
2040-08-24T11:59:59+00:00
Days remaining
5036
Serial (hex)
8AAA80515C0BC688C7955D70F27758AC
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

7A:43:BC:77:47:D0:63:3F:BD:90:FF:90:0C:92:42:41:7C:02:7D:BD:CA:05:AF:72:DA:9A:70:E3:51:8D:BE:2E
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
89:EB:E7:1D:79:C3:BE:DB:3F:DC:8E:20:B0:FB:E4:1E:7C:39:F6:2B
authorityKeyIdentifier
EC:52:11:95:70:73:19:C8:DE:CA:48:43:97:4B:1C:35:24:22:43:50
authorityInfoAccess
CA Issuers - URI:http://certificates.godaddy.com/repository/gd_tls_root-r1.crt
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gd_tls_root-r1.crl 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=GoDaddy.com CN=GoDaddy TLS Root CA - R1
Issuer
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. CN=Go Daddy Root Certificate Authority - G2
Valid from
2025-09-24T12:00:00+00:00
Expires
2037-12-31T23:59:59+00:00
Days remaining
4069
Serial (hex)
90DE6C7FB3B50B3C0617724FC13402AD
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

7B:CB:0F:2F:2D:10:31:A6:AF:8D:61:BA:A8:35:D2:83:5A:3B:8B:CC:26:D9:4A:3B:04:8B:16:55:FB:81:29:8C
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
EC:52:11:95:70:73:19:C8:DE:CA:48:43:97:4B:1C:35:24:22:43:50
authorityKeyIdentifier
3A:9A:85:07:10:67:28:B6:EF:F6:BD:05:41:6E:20:C1:94:DA:0F:DE
authorityInfoAccess
CA Issuers - URI:http://certificates.godaddy.com/repository/gdroot-g2.crt
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.1
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gdroot-g2.crl 
-----BEGIN CERTIFICATE-----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HSUEDDAKBggrBgEFBQcDATAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBTsUhGV
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ZXMuZ29kYWRkeS5jb20vcmVwb3NpdG9yeS9nZHJvb3QtZzIuY3J0MCYGA1UdIAQf
MB0wCAYGZ4EMAQIBMAgGBmeBDAECAjAHBgVngQwBATA1BgNVHR8ELjAsMCqgKKAm
hiRodHRwOi8vY3JsLmdvZGFkZHkuY29tL2dkcm9vdC1nMi5jcmwwDQYJKoZIhvcN
AQELBQADggEBAEhbCwX1uaC5L9mJ+D6X4P/VH6Q2+zfX+dXnEBNNoE/xqboBmdFg
4SPi0+cRl1DBGELmn7L3wXdzuTh+e4bHIgvbzoZL8UJjQbTfE5w/EUU9tn0vsPxh
MgN2uWpme0gEGNTwUoX9D36vh1cDardevHaSbNYXRPR40Hrv5dHgoP0FVeaCZ09u
q2mtRVg6PSIQE5ycT2gPrbFxfo+lF/zxCy6BXkf46toy8AVz30rAYkVBNSqGANO0
rAeYLisohAJC59e+sjjxyFL9i8iYuD1PjUUYTNtQPPeOQKAhAmEphJ0iWPt98lrI
NaewsVVCcxYIgvifrn/Ptta4PPW7Z35c+Yc=
-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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