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

rotld.ro · 192.162.16.109:443

Verified

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

Subject
C=RO L=București O=Institutul Naţional de Cercetare Dezvoltare În Informatică CN=*.rotld.ro
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-01-27T00:00:00+00:00
Expires
2027-02-27T23:59:59+00:00
Days remaining
158
Serial (hex)
01394F0D498191354A20A5CC1708EC15
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.rotld.ro, DNS:rotld.ro

SHA-256 fingerprint

99:D3:E4:FD:5B:7B:4C:2C:7B:8E:82:62:86:FA:43:4C:44:94:9C:83:0B:34:BE:C4:93:E3:4C:C4:5F:35:78:8A
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
EE:67:FC:74:15:99:B0:31:1C:FA:BD:E4:25:18:72:F5:C9:F2:23:59
subjectAltName
DNS:*.rotld.ro, DNS:rotld.ro
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.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 : Jan 27 11:14:43.407 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:24:F5:80:63:FE:8A:6F:46:0E:E8:DB:74: 9D:B1:1A:C5:64:71:C0:12:4D:28:47:DF:94:21:9E:39: 47:36:C2:A8:02:21:00:91:A3:97:B2:80:6C:BD:93:CD: 7A:12:AD:38:86:12:E7:E8:2B:B6:CC:27:96:8D:5F:68: A9:78:32:25:5E:8C:43 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 : Jan 27 11:14:43.402 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AF:36:83:42:B5:31:3C:7F:0E:F3:C3: E5:BE:7F:50:D2:63:26:B7:5F:1C:F4:5B:A3:5E:68:8A: 6A:59:17:65:15:02:20:24:01:D6:09:A0:1F:80:93:4F: 1B:55:E9:C7:B2:15:EE:C9:0E:87:3D:EC:74:DE:67:3E: 5B:EE:28:03:61:BF:80 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 : Jan 27 11:14:43.629 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C4:51:67:54:50:E7:8C:DE:E3:E8:AD: 7B:28:C6:68:F9:86:56:68:6F:BC:68:53:74:6D:2C:C5: 42:16:18:58:43:02:20:2A:88:F6:32:A4:8E:BF:11:76: AB:B0:0E:97:B5:97:08:ED:2F:5E:04:F5:8A:D9:7B:66: 47:E4:40:E6:9E:10:7D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-22T10:58:53+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
406
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
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: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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 →