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

aztec.co.za · 192.96.96.10:443

Verified

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

Subject
CN=aztec.co.za
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-10T21:54:19+00:00
Expires
2026-12-09T21:54:18+00:00
Days remaining
60
Serial (hex)
06671DB49D9F89345A5809C686A1DEBB8175
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:aztec.co.za, DNS:mail.aztec.co.za, DNS:mx.aztec.co.za, DNS:mx.unseen.co.za, DNS:spool.aztec.co.za, DNS:www.aztec.co.za

SHA-256 fingerprint

90:84:9A:C5:B2:8B:75:DE:B9:2D:E5:44:D5:AB:5A:95:E7:B4:5A:4E:35:06:A6:C4:9E:4B:54:04:F7:2C:47:79
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
EA:B5:CA:AB:78:98:05:35:20:9D:84:14:91:9A:46:16:E9:A1:9A:39
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:aztec.co.za, DNS:mail.aztec.co.za, DNS:mx.aztec.co.za, DNS:mx.unseen.co.za, DNS:spool.aztec.co.za, DNS:www.aztec.co.za
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/118.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Sep 10 22:52:49.948 2026 GMT Extensions: 00:00:05:00:30:C8:68:46 Signature : ecdsa-with-SHA256 30:44:02:20:5D:50:B4:50:6F:0B:6F:5A:C5:24:DA:BD: FC:68:36:4F:DF:E7:BE:D0:C1:74:EA:FA:67:99:83:AD: 58:C7:16:77:02:20:56:25:46:DE:42:73:46:9A:67:C0: 3A:FB:76:D8:48:64:EE:87:88:8A:3A:91:30:00:F7:E6: 62:18:64:A4:31:54 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Sep 10 22:52:49.611 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:61:AC:86:E0:15:AF:16:0D:1B:6A:14:17: 7E:0D:82:A3:C7:90:9B:9C:8A:99:F1:0C:7C:43:38:44: 31:8F:E0:02:02:21:00:AB:4F:AC:69:BC:66:77:ED:BA: B4:67:E1:FE:42:CF:E9:B7:80:AA:CD:F6:A8:88:2B:E7: 68:03:0C:BD:9B:F3:23
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-10T01:19:10+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
693
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2154
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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 →