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

wikitelecom.com.br · 35.172.94.1:443

Verified

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

Subject
CN=www.wikitelecom.com.br
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-02T09:35:40+00:00
Expires
2026-12-31T09:35:39+00:00
Days remaining
81
Serial (hex)
057BBD2F9D4827B04FDFDD3E50DCE6C5C220
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:wikitelecom.com.br, DNS:www.wikitelecom.com.br

SHA-256 fingerprint

80:5E:26:44:0F:F3:4B:FF:01:88:F3:41:46:20:B6:0C:D0:15:3E:19:3B:E6:9B:C4:EF:C8:5A:74:67:86:7D:84
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
A8:2A:C3:50:E6:30:44:57:51:E3:2B:E3:3E:AB:6C:62:6D:9E:7A:70
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:wikitelecom.com.br, DNS:www.wikitelecom.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/33.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Oct 2 10:34:10.861 2026 GMT Extensions: 00:00:05:00:1A:2E:C5:B5 Signature : ecdsa-with-SHA256 30:46:02:21:00:BC:24:02:95:9D:8A:84:ED:1D:10:85: BF:6E:7E:E6:A7:F3:4B:68:60:2D:5E:39:D8:78:12:D0: FE:AA:6A:1D:ED:02:21:00:B1:70:99:D4:DC:BC:C3:C2: 8D:10:1D:59:E2:49:84:32:06:EB:FB:1F:87:0F:C1:2D: 21:EC:91:B8:C2:58:33:52 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 2 10:34:12.156 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:16:AF:9B:2F:FB:C0:03:3B:3C:56:D3:31: CC:8A:B5:3B:1A:D2:4B:22:A0:AA:C0:1D:9B:D1:09:E8: 5C:37:CA:7A:02:20:08:6E:F0:36:DD:E9:B1:BF:6B:7C: AC:C3:8C:8C:D3:80:89:FD:F3:9D:0C:B2:4F:46:7C:C9: FB:23:43:89:C1:F2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-10T10:20:31+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

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