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

e24h.com.br · 179.124.193.78:443

Verified

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

Subject
CN=e24h.com.br
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-11-03T23:08:15+00:00
Expires
2027-02-01T23:08:14+00:00
Days remaining
84
Serial (hex)
06ED0A03C2ECBBC98760348580B88F85A247
Signature
RSA-SHA256
Public key
RSA 3072

Subject alternative names (SAN)

DNS:aulapp.e24h.com.br, DNS:colegioeverest-rj.escola24h.com.br, DNS:cpv.e24h.com.br, DNS:e24h.com.br, DNS:escola24h.com.br, DNS:google.e24h.com.br, DNS:incentivo.e24h.com.br, DNS:legacy.e24h.com.br, DNS:leve.e24h.com.br, DNS:modelo.escola24h.com.br, DNS:www.e24h.com.br, DNS:www.escola24h.com.br

SHA-256 fingerprint

82:8D:8B:C6:E0:89:AC:57:C7:5F:3A:C0:08:BB:93:41:91:09:E4:16:54:DC:C9:5B:A3:20:1E:41:CD:2B:CA:DE
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
1C:AC:E7:0B:1C:30:27:AF:0B:51:01:CB:E8:B5:37:14:1F:9B:0F:B5
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:aulapp.e24h.com.br, DNS:colegioeverest-rj.escola24h.com.br, DNS:cpv.e24h.com.br, DNS:e24h.com.br, DNS:escola24h.com.br, DNS:google.e24h.com.br, DNS:incentivo.e24h.com.br, DNS:legacy.e24h.com.br, DNS:leve.e24h.com.br, DNS:modelo.escola24h.com.br, DNS:www.e24h.com.br, DNS:www.escola24h.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/72.crl
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 : Nov 4 00:06:45.199 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6C:8D:BF:06:A9:CE:A4:38:C5:75:79:CD: C4:1B:89:92:F6:B2:8D:5C:B8:A3:57:BF:55:E6:44:4B: 52:E3:A2:88:02:21:00:C0:25:F5:28:D0:CA:5C:20:00: 15:3A:BB:12:E5:86:8A:F3:9B:A5:82:E7:34:2B:7D:B6: 80:5D:3C:FA:5B:19:7B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Nov 4 00:06:45.750 2026 GMT Extensions: 00:00:05:00:36:FE:66:D3 Signature : ecdsa-with-SHA256 30:45:02:20:6F:8F:1D:D0:49:12:3A:DD:F5:C3:46:39: 15:E9:B2:93:EC:FC:F8:CA:E5:FC:65:69:7E:5E:E6:67: 80:BB:EA:66:02:21:00:D1:0C:31:BE:7C:14:4A:F3:92: 79:4A:07:D3:D6:05:C2:18:9B:52:F6:55:71:8E:11:4F: 0F:6C:39:04:F1:7B:13
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-09T00:30:14+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
663
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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
2124
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

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