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

mailf.comsats.net.pk · 203.124.45.73:443

Verified
The certificate expires within 30 days.

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

Subject
CN=*.comsats.net.pk
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-05-14T00:00:00+00:00
Expires
2026-11-28T23:59:59+00:00
Days remaining
25
Serial (hex)
047E8978A0069AC7ECE999533C034F67
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.comsats.net.pk, DNS:comsats.net.pk

SHA-256 fingerprint

D4:64:D0:61:FB:84:9B:E4:D8:CA:5C:B8:E8:DF:5D:3C:30:9A:44:F0:64:F2:53:67:02:76:86:79:FC:71:26:56
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
42:3E:DE:FF:A9:C4:54:37:33:3A:1F:21:79:8D:0A:68:ED:37:6D:6E
subjectAltName
DNS:*.comsats.net.pk, DNS:comsats.net.pk
certificatePolicies
Policy: 2.23.140.1.2.1 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.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 : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : May 14 07:04:02.061 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:24:9B:BC:F5:B4:E2:64:EA:FF:41:2D:BC: 13:7F:37:09:61:B6:6C:BA:37:B6:FD:AF:D3:4F:71:B3: 3E:CA:DF:B5:02:21:00:DB:9D:87:E4:3B:E6:AD:3E:CC: 25:27:75:96:4E:71:10:17:4F:77:73:26:2F:C7:06:C6: 71:87:3D:AD:7A:0D:C9 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : May 14 07:04:02.066 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E3:04:70:57:38:8A:44:2D:FF:79:75: C9:E5:E8:FE:67:D9:08:DE:FD:5A:13:D9:5A:CF:BA:43: F6:A4:72:C7:75:02:20:26:C9:4C:7F:50:C4:50:6E:95: 09:CD:20:4B:36:B3:C4:1B:C9:04:1D:7B:2E:98:5D:B8: F6:71:D9:D8:87:64:3D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : May 14 07:04:02.076 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:37:C6:43:5E:6B:84:E6:E8:AA:62:C2:A3: 56:9E:D1:A6:27:6E:EF:C5:DA:C3:61:F4:BF:32:E5:18: EE:1B:10:65:02:21:00:94:6D:6E:6B:44:57:BE:BE:4F: 11:D6:B8:13:C0:28:57:5A:0A:9F:CF:11:58:E0:6F:33: CB:AD:F0:B9:F1:04:1F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-SHA · Checked 2026-11-03T11:24:29+00:00

Server-presented chain · 2 additional certificates

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
364
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-----

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
4091
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

Registration / WHOIS →DNS records →