bkstr.com Domain Information | Cloudflare Radar

DNS records

1.1.1.1 Resolver query results

Subject	Validity Period	Issuer	CT Log
*.bkstr.comFollett Corporation	1 yearNot Before: Sep 24, 2025, 00:00:00 Not After: Sep 26, 2026, 23:59:59	DigiCert Global G3 TLS ECC SHA384 2020 CA1DigiCert Inc	Sphinx2026h2
Subject Common Name (CN) *.bkstr.com Organization (O) Follett Corporation Country / Territory (C) United States Validity Period Not Before Sep 24, 2025, 00:00:00 Not After Sep 26, 2026, 23:59:59 Issuer Common Name (CN) DigiCert Global G3 TLS ECC SHA384 2020 CA1 Organization (O) DigiCert Inc Country / Territory (C) United States CT Log Sphinx2026h2
*.bkstr.comFollett Corporation	1 yearNot Before: Sep 24, 2025, 00:00:00 Not After: Sep 26, 2026, 23:59:59	DigiCert Global G2 TLS RSA SHA256 2020 CA1DigiCert Inc	Sphinx2026h2
Subject Common Name (CN) *.bkstr.com Organization (O) Follett Corporation Country / Territory (C) United States Validity Period Not Before Sep 24, 2025, 00:00:00 Not After Sep 26, 2026, 23:59:59 Issuer Common Name (CN) DigiCert Global G2 TLS RSA SHA256 2020 CA1 Organization (O) DigiCert Inc Country / Territory (C) United States CT Log Sphinx2026h2
domains01.bkstr.com	3 monthsNot Before: Apr 29, 2026, 04:46:26 Not After: Jul 28, 2026, 04:46:25	R13Let's Encrypt	Sphinx2026h2
Subject Common Name (CN) domains01.bkstr.com Validity Period Not Before Apr 29, 2026, 04:46:26 Not After Jul 28, 2026, 04:46:25 Issuer Common Name (CN) R13 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Sphinx2026h2
bkstr.com	3 monthsNot Before: Apr 27, 2026, 14:07:12 Not After: Jul 26, 2026, 14:07:11	R12Let's Encrypt	Argon2026h2
Subject Common Name (CN) bkstr.com Validity Period Not Before Apr 27, 2026, 14:07:12 Not After Jul 26, 2026, 14:07:11 Issuer Common Name (CN) R12 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Argon2026h2
domains01.bkstr.com	3 monthsNot Before: Apr 9, 2026, 22:34:23 Not After: Jul 8, 2026, 22:34:22	R12Let's Encrypt	Argon2026h2
Subject Common Name (CN) domains01.bkstr.com Validity Period Not Before Apr 9, 2026, 22:34:23 Not After Jul 8, 2026, 22:34:22 Issuer Common Name (CN) R12 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Argon2026h2
domains01.bkstr.com	3 monthsNot Before: Feb 9, 2026, 15:17:14 Not After: May 10, 2026, 15:17:13	R13Let's Encrypt	Trustasia2026a
Subject Common Name (CN) domains01.bkstr.com Validity Period Not Before Feb 9, 2026, 15:17:14 Not After May 10, 2026, 15:17:13 Issuer Common Name (CN) R13 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Trustasia2026a
bkstr.com	3 monthsNot Before: Feb 9, 2026, 14:57:24 Not After: May 10, 2026, 14:57:23	R13Let's Encrypt	Trustasia2026b
Subject Common Name (CN) bkstr.com Validity Period Not Before Feb 9, 2026, 14:57:24 Not After May 10, 2026, 14:57:23 Issuer Common Name (CN) R13 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Trustasia2026b
bkstr.com	3 monthsNot Before: Dec 2, 2025, 20:53:28 Not After: Mar 2, 2026, 20:53:27	R12Let's Encrypt	Xenon2026h1
Subject Common Name (CN) bkstr.com Validity Period Not Before Dec 2, 2025, 20:53:28 Not After Mar 2, 2026, 20:53:27 Issuer Common Name (CN) R12 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Xenon2026h1
domains01.bkstr.com	3 monthsNot Before: Nov 18, 2025, 17:23:12 Not After: Feb 16, 2026, 17:23:11	R13Let's Encrypt	Wyvern2026h1
Subject Common Name (CN) domains01.bkstr.com Validity Period Not Before Nov 18, 2025, 17:23:12 Not After Feb 16, 2026, 17:23:11 Issuer Common Name (CN) R13 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Wyvern2026h1
domains01.bkstr.com	3 monthsNot Before: Oct 24, 2025, 20:52:58 Not After: Jan 22, 2026, 20:52:57	R12Let's Encrypt	Oak2026h1
Subject Common Name (CN) domains01.bkstr.com Validity Period Not Before Oct 24, 2025, 20:52:58 Not After Jan 22, 2026, 20:52:57 Issuer Common Name (CN) R12 Organization (O) Let's Encrypt Country / Territory (C) United States CT Log Oak2026h1

Subject

Validity Period

Issuer

CT Log

*.bkstr.comFollett Corporation

1 yearNot Before: Sep 24, 2025, 00:00:00
Not After: Sep 26, 2026, 23:59:59

DigiCert Global G3 TLS ECC SHA384 2020 CA1DigiCert Inc

Sphinx2026h2

Subject

Common Name (CN): *.bkstr.com
Organization (O): Follett Corporation
Country / Territory (C): United States

Validity Period

Not Before: Sep 24, 2025, 00:00:00
Not After: Sep 26, 2026, 23:59:59

Issuer

Common Name (CN): DigiCert Global G3 TLS ECC SHA384 2020 CA1
Organization (O): DigiCert Inc
Country / Territory (C): United States

CT Log

Sphinx2026h2

*.bkstr.comFollett Corporation

1 yearNot Before: Sep 24, 2025, 00:00:00
Not After: Sep 26, 2026, 23:59:59

DigiCert Global G2 TLS RSA SHA256 2020 CA1DigiCert Inc

Sphinx2026h2

Subject

Common Name (CN): *.bkstr.com
Organization (O): Follett Corporation
Country / Territory (C): United States

Validity Period

Not Before: Sep 24, 2025, 00:00:00
Not After: Sep 26, 2026, 23:59:59

Issuer

Common Name (CN): DigiCert Global G2 TLS RSA SHA256 2020 CA1
Organization (O): DigiCert Inc
Country / Territory (C): United States

CT Log

Sphinx2026h2

domains01.bkstr.com

3 monthsNot Before: Apr 29, 2026, 04:46:26
Not After: Jul 28, 2026, 04:46:25

R13Let's Encrypt

Sphinx2026h2

Subject

Common Name (CN): domains01.bkstr.com

Validity Period

Not Before: Apr 29, 2026, 04:46:26
Not After: Jul 28, 2026, 04:46:25

Issuer

Common Name (CN): R13
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Sphinx2026h2

bkstr.com

3 monthsNot Before: Apr 27, 2026, 14:07:12
Not After: Jul 26, 2026, 14:07:11

R12Let's Encrypt

Argon2026h2

Subject

Common Name (CN): bkstr.com

Validity Period

Not Before: Apr 27, 2026, 14:07:12
Not After: Jul 26, 2026, 14:07:11

Issuer

Common Name (CN): R12
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Argon2026h2

domains01.bkstr.com

3 monthsNot Before: Apr 9, 2026, 22:34:23
Not After: Jul 8, 2026, 22:34:22

R12Let's Encrypt

Argon2026h2

Subject

Common Name (CN): domains01.bkstr.com

Validity Period

Not Before: Apr 9, 2026, 22:34:23
Not After: Jul 8, 2026, 22:34:22

Issuer

Common Name (CN): R12
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Argon2026h2

domains01.bkstr.com

3 monthsNot Before: Feb 9, 2026, 15:17:14
Not After: May 10, 2026, 15:17:13

R13Let's Encrypt

Trustasia2026a

Subject

Common Name (CN): domains01.bkstr.com

Validity Period

Not Before: Feb 9, 2026, 15:17:14
Not After: May 10, 2026, 15:17:13

Issuer

Common Name (CN): R13
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Trustasia2026a

bkstr.com

3 monthsNot Before: Feb 9, 2026, 14:57:24
Not After: May 10, 2026, 14:57:23

R13Let's Encrypt

Trustasia2026b

Subject

Common Name (CN): bkstr.com

Validity Period

Not Before: Feb 9, 2026, 14:57:24
Not After: May 10, 2026, 14:57:23

Issuer

Common Name (CN): R13
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Trustasia2026b

bkstr.com

3 monthsNot Before: Dec 2, 2025, 20:53:28
Not After: Mar 2, 2026, 20:53:27

R12Let's Encrypt

Xenon2026h1

Subject

Common Name (CN): bkstr.com

Validity Period

Not Before: Dec 2, 2025, 20:53:28
Not After: Mar 2, 2026, 20:53:27

Issuer

Common Name (CN): R12
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Xenon2026h1

domains01.bkstr.com

3 monthsNot Before: Nov 18, 2025, 17:23:12
Not After: Feb 16, 2026, 17:23:11

R13Let's Encrypt

Wyvern2026h1

Subject

Common Name (CN): domains01.bkstr.com

Validity Period

Not Before: Nov 18, 2025, 17:23:12
Not After: Feb 16, 2026, 17:23:11

Issuer

Common Name (CN): R13
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Wyvern2026h1

domains01.bkstr.com

3 monthsNot Before: Oct 24, 2025, 20:52:58
Not After: Jan 22, 2026, 20:52:57

R12Let's Encrypt

Oak2026h1

Subject

Common Name (CN): domains01.bkstr.com

Validity Period

Not Before: Oct 24, 2025, 20:52:58
Not After: Jan 22, 2026, 20:52:57

Issuer

Common Name (CN): R12
Organization (O): Let's Encrypt
Country / Territory (C): United States

CT Log

Oak2026h1

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