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

TLSv1.2

antagus.de · 83.243.59.17:443

Verified

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

Subject
CN=*.antagus.de
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-07-23T00:00:00+00:00
Expires
2027-02-06T23:59:59+00:00
Days remaining
136
Serial (hex)
E75AEAC5911B54BCE4F855156356507B
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.antagus.de, DNS:antagus.de

SHA-256 fingerprint

B5:29:F0:69:41:EB:6F:3D:F1:F2:B0:49:0F:78:10:9B:B3:E3:DD:8F:5F:4A:0A:5D:2C:B0:2F:E0:0A:A8:DD:00
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
30:59:99:B5:95:18:14:BB:7E:D5:87:31:51:AF:96:C1:FB:B1:75:F4
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.antagus.de, DNS:antagus.de
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Jul 23 11:38:09.868 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F7:69:2E:AF:E1:13:22:2E:A8:2B:42: 0B:54:D9:9F:AD:79:3E:9F:21:82:A5:51:B5:EA:8F:B3: B7:3F:26:AA:6B:02:21:00:EC:F7:78:13:F9:F7:8F:05: 50:62:6B:E5:33:8D:4A:9C:30:29:B2:38:0E:10:99:CC: EE:09:79:92:2E:94:42:4D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Jul 23 11:38:10.255 2026 GMT Extensions: 00:00:05:00:06:C6:DE:1D Signature : ecdsa-with-SHA256 30:45:02:20:12:67:82:86:2E:CD:9A:6E:54:57:26:C9: 9D:7B:2E:29:4C:D9:18:6C:D9:E1:E9:80:33:FF:81:A9: 44:32:AB:43:02:21:00:D1:F8:5E:32:51:3B:06:A9:0E: 8C:AD:AA:1C:01:C1:A1:25:DD:15:BF:35:F4:3F:A7:67: 2C:5E:08:0D:D9:88:ED Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Jul 23 11:38:10.031 2026 GMT Extensions: 00:00:05:00:00:51:DA:B1 Signature : ecdsa-with-SHA256 30:45:02:21:00:FA:BF:9A:E7:8E:B8:0E:56:8E:71:A3: 20:1B:7F:44:2B:29:6B:5D:99:A3:67:CC:74:9A:08:5B: 95:E2:20:B0:1C:02:20:54:DB:1D:17:49:F4:98:B0:CC: 0C:73:AC:95:43:73:B3:79:E1:DD:10:CB:EE:98:84:D8: 25:5A:2B:FA:BD:20:FA
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-CHACHA20-POLY1305 · Checked 2026-09-23T09:59:22+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2021-03-22T00:00:00+00:00
Expires
2036-03-21T23:59:59+00:00
Days remaining
3467
Serial (hex)
397A66CC2756362E0DAA87CA6EABE3B1
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8C:54:C3:34:B6:6B:A4:E4:26:77:2A:F4:A3:F9:13:6C:19:A1:AE:C7:29:FD:B2:8C:53:5C:07:A5:A4:EF:22:E0
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2021-03-22T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4135
Serial (hex)
D27FBBC1DE359E5216AD6149586099C4
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

92:F3:51:BF:3D:54:16:4D:FA:8D:D8:F9:E1:13:9D:31:50:34:97:86:48:5D:2B:9E:EC:D0:0E:29:71:C1:E6:C5
Certificate extensions & PEM
authorityKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
subjectKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustRSACertificationAuthority.crl
authorityInfoAccess
OCSP - URI:http://ocsp.usertrust.com
-----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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