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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

ufop.br · 200.239.129.83:443

Verified

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

Subject
CN=ufop.br
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-10-26T23:14:25+00:00
Expires
2027-01-24T23:14:24+00:00
Days remaining
85
Serial (hex)
0614B430085808DA10E663FD73BEB150C854
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:ufop.br, DNS:www.ufop.br

SHA-256 fingerprint

5F:BD:72:5D:12:E2:F7:55:0E:58:88:F5:13:EF:A5:98:C3:50:3F:BE:D4:59:91:36:EA:5A:46:AD:D2:E3:2B:3A
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
19:AB:46:5A:83:4C:BE:10:23:92:96:5C:B1:05:A1:A7:80:56:3E:64
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:ufop.br, DNS:www.ufop.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/85.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Oct 27 00:12:55.684 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:31:6C:1E:FA:E4:17:FE:5B:7E:57:FB:D1: 06:F4:12:E2:D0:C6:EC:63:C6:F1:E8:2D:A1:6B:1E:32: 9F:F4:DF:74:02:20:65:36:6A:29:50:31:78:77:7E:B7: 91:4F:E2:F9:C4:35:82:FB:F4:60:E6:ED:5B:48:2B:D1: C7:F9:42:9F:4D:A2 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 27 00:12:56.088 2026 GMT Extensions: 00:00:05:00:2F:07:B8:6F Signature : ecdsa-with-SHA256 30:46:02:21:00:89:68:54:AB:3B:01:3E:AF:97:A1:68: 4B:28:DB:77:EF:35:D4:EA:4F:4B:3C:EB:C9:B3:F2:AC: D5:A7:AB:37:AC:02:21:00:81:55:72:A4:8F:CA:8D:1D: EA:78:86:1E:38:98:7C:D5:D6:7E:DA:CE:A0:CD:9F:99: 72:16:DF:A0:85:FD:43:04
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-31T13:41:03+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
672
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
2133
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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