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

dns.net.za · 196.29.59.241:443

Verified

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

Subject
CN=*.dns.business
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-20T10:03:31+00:00
Expires
2026-11-18T10:03:30+00:00
Days remaining
48
Serial (hex)
06836C92026FC66236029F71826E9B431E59
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.coza.net.za, DNS:*.dns.business, DNS:*.dns.net.za, DNS:*.gateway.africa, DNS:*.gatewaysrs.com, DNS:*.nic.africa, DNS:*.nic.merck, DNS:*.registry.africa, DNS:*.registry.net.za, DNS:*.renginsrs.com, DNS:*.zacities.africa, DNS:*.zarc.net.za, DNS:coza.net.za, DNS:dns.business, DNS:dns.net.za, DNS:gatewaysrs.com, DNS:nic.africa, DNS:nic.merck, DNS:registry.africa, DNS:registry.net.za, DNS:renginsrs.com, DNS:zacities.africa, DNS:zarc.net.za

SHA-256 fingerprint

0D:C5:44:0A:4F:DA:8C:A8:43:4F:BD:CA:09:52:EB:BA:69:67:74:66:25:CD:E9:C7:B5:26:B2:70:D6:6E:8E:C5
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
C2:45:44:B8:2F:C3:C0:3F:2E:37:3E:BA:37:B3:AB:0B:64:A7:11:F6
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:*.coza.net.za, DNS:*.dns.business, DNS:*.dns.net.za, DNS:*.gateway.africa, DNS:*.gatewaysrs.com, DNS:*.nic.africa, DNS:*.nic.merck, DNS:*.registry.africa, DNS:*.registry.net.za, DNS:*.renginsrs.com, DNS:*.zacities.africa, DNS:*.zarc.net.za, DNS:coza.net.za, DNS:dns.business, DNS:dns.net.za, DNS:gatewaysrs.com, DNS:nic.africa, DNS:nic.merck, DNS:registry.africa, DNS:registry.net.za, DNS:renginsrs.com, DNS:zacities.africa, DNS:zarc.net.za
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/90.crl
ct_precert_scts
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 : Aug 20 11:02:01.400 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AA:0D:27:58:0F:25:56:17:10:42:67: E6:B2:4B:17:20:9D:99:11:05:A4:E8:FD:F4:DA:C8:DB: 9C:EB:AE:EC:DB:02:21:00:AB:E3:F4:C8:5C:CB:B5:E3: 60:ED:F7:A3:38:49:34:65:D3:2B:A0:57:EC:F4:6F:FA: 0E:C6:55:EA:D1:50:5B:93 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Aug 20 11:02:03.352 2026 GMT Extensions: 00:00:05:00:16:A1:86:18 Signature : ecdsa-with-SHA256 30:45:02:21:00:D8:4C:5E:B1:FE:72:EE:72:BD:4A:7F: 16:B9:BB:E0:02:28:D5:EC:EB:E5:0D:3A:28:32:B6:58: 3D:CB:23:51:3A:02:20:1A:98:13:F5:E0:A3:94:BA:71: D9:1E:4F:B5:13:6F:74:65:84:09:7A:64:CE:91:AA:9A: 7A:E6:10:15:16:35:2E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-30T15:35:21+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
703
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
2164
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 →