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

mainstream.rs · 92.249.55.100:443

Verified

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

Subject
C=RS L=Belgrade O=MAINSTREAM DOO BEOGRAD CN=*.mainstream.rs
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-09-22T00:00:00+00:00
Expires
2027-04-08T23:59:59+00:00
Days remaining
178
Serial (hex)
0304E8D721B3FE59F9A067549CBFF5F0
Signature
RSA-SHA512
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.mainstream.rs, DNS:mainstream.rs

SHA-256 fingerprint

65:BE:80:4F:C8:3A:79:19:52:FA:AE:9A:5F:1D:9E:69:59:4E:D3:03:28:53:07:62:30:71:72:4F:26:2B:BF:A9
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
48:BB:C7:94:59:2B:C5:0A:0B:DD:4B:F3:64:75:DE:37:59:6F:41:EA
subjectAltName
DNS:*.mainstream.rs, DNS:mainstream.rs
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.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 22 06:17:11.367 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:61:15:2B:21:A7:C6:37:3D:74:39:9D:76: 2F:62:75:FD:E9:D7:C5:5C:EA:FD:CD:5C:0F:22:7D:D4: 22:9F:33:94:02:21:00:C7:98:EE:E7:B8:59:66:B7:C0: 4C:16:64:AE:90:1B:57:A0:83:3C:29:1F:66:14:69:C8: 13:FF:7C:64:5B:1A:98 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 22 06:17:11.355 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:48:29:2E:CC:54:2F:4A:99:D1:98:5D:54: 99:08:E4:70:46:44:0A:FB:F8:1F:B2:E5:33:F9:FF:65: 60:8B:E8:29:02:21:00:E0:18:12:C9:C6:4D:F0:34:ED: 63:94:98:B5:63:45:3B:8D:E1:DD:EE:A5:9D:1C:13:08: D0:D0:4D:83:3D:A6:BA 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 22 06:17:11.479 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:27:71:E7:11:83:8B:F3:71:86:24:91:50: ED:AD:CB:A4:F8:A6:5E:A8:DD:AB:E5:9B:89:34:A5:D4: 2D:CF:10:10:02:21:00:B6:D8:A4:59:74:16:81:25:F5: 64:28:87:40:B9:98:62:AD:44:C8:E0:75:92:00:EB:39: 05:ED:24:99:70:9E:5F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-12T19:16:11+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:25+00:00
Expires
2027-11-02T12:24:25+00:00
Days remaining
385
Serial (hex)
090EE8C5DE5BFA62D2AE2FF7097C4857
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4B:CC:5E:23:4F:E8:1E:DE:4E:AF:88:3A:A1:9C:31:33:5B:0B:26:E8:5E:06:6B:99:45:E4:CB:61:53:EB:20:C2
Certificate extensions & PEM
subjectKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
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-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4112
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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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