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techbrewacademy.co.kr SSL Certificate – Expired, expires 21 Apr 2026 | CubDomain

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SSL certificate

T

techbrewacademy.co.krSSL certificate & chain

Status: Expired
Expires in: Expired
Issuer: Sectigo Limited
Chain: 3 certificates

Report Similar sites SSL certificate Technologies2 Same IP19 History Blocklists Subdomains Look-alikes Other extensions Reviews Blog

Chain1 · Site certificatetechbrewacademy.co.kr 2 · IntermediateSectigo RSA Domain Validation Secure Server CA 3 · RootUSERTrust RSA Certification Authority

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Certificate chain

1 · Site certificateExpiredtechbrewacademy.co.krIssued by Sectigo RSA Domain Validation Secure Server CAExpires 21 Apr 2026
2 · IntermediateValidSectigo RSA Domain Validation Secure Server CAIssued by USERTrust RSA Certification AuthorityExpires 31 Dec 2030
3 · RootValidUSERTrust RSA Certification AuthoritySelf-signed rootExpires 18 Jan 2038

Each certificate is shown in full below, from the site's own to the root.

1

Site certificate

techbrewacademy.co.kr

Expired

Issued to

Common name (CN): techbrewacademy.co.kr

Issued by

Common name (CN): Sectigo RSA Domain Validation Secure Server CA
Organisation (O): Sectigo Limited
Country (C): GB
State (ST): Greater Manchester
Locality (L): Salford

Validity

Valid from: 20 Apr 2025, 17:00 UTC
Valid until: 21 Apr 2026, 16:59 UTC
Days remaining: Expired 174 days ago

Technical details

Serial number: 00:87:40:09:C4:4A:48:D4:1F:30:DF:91:FF:66:A8:14:15
Signature algorithm: —

2

Intermediate

Sectigo RSA Domain Validation Secure Server CA

Valid

Issued to

Common name (CN): Sectigo RSA Domain Validation Secure Server CA
Organisation (O): Sectigo Limited
Country (C): GB
State (ST): Greater Manchester
Locality (L): Salford

Issued by

Common name (CN): USERTrust RSA Certification Authority
Organisation (O): The USERTRUST Network
Country (C): US
State (ST): New Jersey
Locality (L): Jersey City

Validity

Valid from: 1 Nov 2018, 17:00 UTC
Valid until: 31 Dec 2030, 15:59 UTC
Days remaining: 1540

Technical details

Serial number: 7D:5B:51:26:B4:76:BA:11:DB:74:16:0B:BC:53:0D:A7
Signature algorithm: —

3

Root

USERTrust RSA Certification Authority

Valid

Issued to

Common name (CN): USERTrust RSA Certification Authority
Organisation (O): The USERTRUST Network
Country (C): US
State (ST): New Jersey
Locality (L): Jersey City

Issued by

Common name (CN): Self-signed
Organisation (O): The USERTRUST Network
Country (C): US
State (ST): New Jersey
Locality (L): Jersey City

Validity

Valid from: 31 Jan 2010, 16:00 UTC
Valid until: 18 Jan 2038, 15:59 UTC
Days remaining: 4115

Technical details

Serial number: 01:FD:6D:30:FC:A3:CA:51:A8:1B:BC:64:0E:35:03:2D
Signature algorithm: —