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

summitcommunications.net · 103.15.246.243:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
C=BD ST=Dhaka O=Summit Communications Limited CN=summitcommunications.net
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA OV R36
Valid from
2026-08-22T00:00:00+00:00
Expires
2027-03-08T23:59:59+00:00
Days remaining
157
Serial (hex)
4DED2B2747A07E693EFE551740702CA3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:summitcommunications.net, DNS:*.advanceddigitalsolutionsltd.com, DNS:*.summit-towers.net, DNS:*.summitcommunications.net

SHA-256 fingerprint

E7:54:C5:55:8D:7D:43:F9:A9:91:8D:19:0E:72:E6:8B:7E:82:54:96:BA:43:E5:5D:DD:ED:BB:24:F5:B7:26:17
Certificate extensions & PEM
authorityKeyIdentifier
E3:66:74:BB:70:68:8D:2C:5D:4E:0E:A6:4A:8F:9B:37:22:9C:82:92
subjectKeyIdentifier
62:5F:4E:AA:C4:12:7D:7D:10:65:06:C8:CD:9E:0A:90:89:53:E1:E4
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.1.3.4 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationCAOVR36.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCAOVR36.crt OCSP - URI:http://ocsp.sectigo.com
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 : Aug 22 12:13:24.566 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:05:5E:98:13:A9:C2:1C:F5:2D:D1:7B:06: 38:29:C0:AD:CE:31:48:3F:BA:56:DE:62:D1:BD:EF:9F: 72:09:ED:C6:02:20:43:F1:5E:3F:E4:A3:8E:11:0D:9F: DD:8E:3B:91:4E:E7:B1:07:19:FC:A4:B2:7E:16:9A:74: 03:A2:B4:9A:7F:D8 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 : Aug 22 12:13:24.784 2026 GMT Extensions: 00:00:05:00:0A:48:2E:59 Signature : ecdsa-with-SHA256 30:44:02:20:5B:66:3D:AF:78:35:2D:A4:AD:2B:C7:31: 5C:A1:2E:66:F6:FA:4A:7B:CF:90:15:BF:E8:DE:D2:3A: 9D:47:3F:B1:02:20:10:50:C9:49:43:F9:F7:61:45:A9: D9:84:E4:75:44:B1:01:E8:95:8B:85:55:96:40:E8:E9: A1:A0:A7:56:3D:F1 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 : Aug 22 12:13:24.644 2026 GMT Extensions: 00:00:05:00:01:C0:A4:17 Signature : ecdsa-with-SHA256 30:44:02:20:7F:87:26:9F:E0:3F:7F:2F:04:A5:6B:8B: C5:B6:02:EC:88:C8:EF:8E:78:16:45:AB:0A:89:FE:B7: E8:A2:59:1F:02:20:48:30:4A:4B:31:E5:96:B6:49:94: 99:88:C1:89:1A:C7:DB:EF:A9:45:37:DA:D2:AD:8B:D1: 98:9C:75:E4:9E:03
subjectAltName
DNS:summitcommunications.net, DNS:*.advanceddigitalsolutionsltd.com, DNS:*.summit-towers.net, DNS:*.summitcommunications.net
-----BEGIN CERTIFICATE-----
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MQswCQYDVQQGEwJHQjEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD
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vooqPLiFjK9tRA==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-02T12:49:18+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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