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
2026-10-06T02:00:53+00:00
Expires
2027-01-04T02:00:52+00:00
Days remaining
77
Serial (hex)
05AFC7C6E075A5ABA0158546EA642C59EF38
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

B5:18:67:C9:42:7A:B3:99:B1:58:69:6D:12:8C:7A:4C:1C:6E:6E:B2:2E:F8:F4:E6:56:6B:DE:E2:AB:E9:1B:B9
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6C:B2:81:59:16:45:A4:7E:05:E7:35:BA:B7:91:25:60:EC:F4:79:78
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/57.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Oct 6 02:59:23.892 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A9:68:FE:D5:29:BA:95:7C:59:87:BD: FC:52:CB:16:76:D7:D5:DA:F4:0C:49:4E:A2:D0:42:C4: 3C:76:42:24:92:02:20:34:1A:CB:4C:4F:E0:4C:BA:A7: 3C:AB:CE:9B:7F:8F:8C:86:34:F9:77:A9:D3:03:7D:EA: 14:1E:4B:83:64:42:57 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 : Oct 6 02:59:24.653 2026 GMT Extensions: 00:00:05:00:1D:5E:D7:42 Signature : ecdsa-with-SHA256 30:45:02:21:00:89:8B:33:6C:28:D5:EF:2A:49:23:8A: 0D:29:09:F5:4F:6A:4D:19:2D:BB:65:29:1B:D6:D6:B6: AC:CB:CE:B1:95:02:20:50:D0:2A:EA:7B:C8:CE:7C:C3: B1:3B:D2:D8:6C:2A:E3:E6:F7:3D:9A:5E:B3:E2:DF:89: 75:03:8F:01:D6:FF:78
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-19T00:00:25+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
684
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
2145
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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