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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

TLSv1.2

mail.severen.net · 81.24.116.218:443

Verified

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

Subject
CN=*.severen.net
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2025-12-15T08:13:26+00:00
Expires
2027-01-16T08:13:25+00:00
Days remaining
78
Serial (hex)
7DC097E2453E7FBCF9847EB7
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.severen.net, DNS:severen.net

SHA-256 fingerprint

EA:4C:31:0D:4C:8B:68:AF:24:E8:44:52:3E:EC:E9:58:4B:CD:0A:D2:23:14:B3:3C:3A:87:5C:D7:EA:A8:31:50
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3dvtlsca2020.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3dvtlsca2020
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.10 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3dvtlsca2020.crl
subjectAltName
DNS:*.severen.net, DNS:severen.net
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
subjectKeyIdentifier
C8:AB:DE:56:97:28:61:AC:CC:38:64:A7:FB:4D:9F:A6:21:F3:8B:DD
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 : Dec 15 08:13:30.351 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FC:CB:49:E3:F5:8F:C8:0E:A7:E6:4E: B4:B6:9E:00:F6:5A:FD:F1:22:47:76:11:0E:65:F6:49: C6:A0:78:99:C0:02:21:00:9B:E3:C2:2C:7C:10:83:ED: 09:73:1F:08:FC:D4:5F:66:21:AF:A8:E7:0A:63:EE:36: 0B:21:B4:F6:D9:57:DD:AC 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 : Dec 15 08:13:30.186 2025 GMT Extensions: 00:00:05:00:00:78:8D:73 Signature : ecdsa-with-SHA256 30:45:02:20:04:73:35:7F:78:B3:7F:5A:30:BA:76:31: 78:F7:09:73:29:59:3E:70:8C:AD:68:19:83:9F:67:29: F4:64:19:E2:02:21:00:9F:69:EC:FA:1D:56:CC:10:BA: 90:A1:0D:29:DC:1B:2B:0F:B3:B1:14:10:01:BF:F1:8D: 43:09:66:1B:0B:F7:89 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 : Dec 15 08:13:30.053 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B5:9F:1C:8E:48:CC:26:0A:22:DC:B5: 1E:27:40:87:5B:E2:40:7C:A2:3A:C4:35:2A:53:39:FD: B1:DE:2F:06:88:02:21:00:D4:07:45:50:6A:4C:28:44: 9E:7F:F9:25:D9:95:EA:9A:8A:70:AD:FE:B6:70:FE:53: 8D:AF:C2:62:64:51:02:A4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-30T07:32:55+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2020-07-28T00:00:00+00:00
Expires
2029-03-18T00:00:00+00:00
Days remaining
869
Serial (hex)
77BD0E0742D5D9E9D049D774D02A6F9A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:25:38:43:95:09:C4:11:C4:37:D3:C5:67:56:3E:13:78:67:12:81:FC:4A:14:64:AD:D0:31:87:08:43:67:6E
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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