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

1o.se · 185.205.49.48:443

Verified

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

Subject
CN=*.1o.se
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-09-28T00:00:00+00:00
Expires
2027-04-14T23:59:59+00:00
Days remaining
157
Serial (hex)
0496BA2AA5F2B018E60D6A51E92E7221
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.1o.se, DNS:1o.se

SHA-256 fingerprint

42:19:C9:06:52:E7:A5:BE:39:D0:24:72:39:96:FF:00:B4:85:A5:D9:74:3E:57:FE:DD:5F:4D:AD:2A:23:9B:DD
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
BF:2D:3E:43:1A:54:0F:2F:4B:7E:DF:76:63:B8:02:67:81:0B:48:6E
subjectAltName
DNS:*.1o.se, DNS:1o.se
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 28 09:24:54.892 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3F:79:C9:7E:65:EB:B4:43:79:AF:66:FF: B6:95:FD:73:F7:33:84:F4:B0:D6:C7:EA:6E:21:D9:B9: 8E:94:0C:76:02:20:38:37:C7:91:1A:FA:B6:4A:DF:A2: 12:08:DC:9E:56:AA:80:91:1C:33:26:FF:68:9D:D0:41: E2:49:42:47:3B:4C 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 28 09:24:54.886 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:CC:74:3B:81:D8:22:77:F4:F0:1D:A5: 86:4E:44:47:B7:75:B0:52:A8:2E:A2:F0:C7:91:CF:85: D5:DF:3C:15:69:02:21:00:83:2B:F4:FF:3C:28:EC:4D: 51:95:5F:E4:05:C6:6F:4D:0D:5D:FF:E6:88:48:9F:EC: B1:72:31:37:CA:B9:F8:99 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 : Sep 28 09:24:54.972 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3D:A5:9A:3E:97:38:BF:06:5A:87:75:92: B9:55:CD:37:B6:A7:44:E0:55:2A:63:84:7A:47:EE:A6: 66:A2:8D:64:02:20:3D:2B:AE:70:A9:2B:9E:6C:A7:97: 7B:B8:9A:7A:35:52:EA:94:A4:8E:05:92:8B:09:28:D8: 2B:3B:95:E5:80:35
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-08T12:51:47+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
358
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----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

Registration / WHOIS →DNS records →