duosecurity.com Domain Information

DNS records

1.1.1.1 Resolver query results

Subject	Validity Period	Issuer	CT Log
www.duosecurity.com	7 monthsNot Before: May 24, 2026, 00:00:00 Not After: Dec 7, 2026, 23:59:59	Amazon RSA 2048 M04Amazon	Trustasia2026a
Subject Common Name (CN) www.duosecurity.com Validity Period Not Before May 24, 2026, 00:00:00 Not After Dec 7, 2026, 23:59:59 Issuer Common Name (CN) Amazon RSA 2048 M04 Organization (O) Amazon Country / Territory (C) United States CT Log Trustasia2026a
*.duosecurity.comDuo Security LLC	7 monthsNot Before: Mar 9, 2026, 00:00:00 Not After: Sep 23, 2026, 23:59:59	DigiCert G5 TLS RSA4096 SHA384 2021 CA1DigiCert, Inc.	Tiger2026h2
Subject Common Name (CN) *.duosecurity.com Organization (O) Duo Security LLC Country / Territory (C) United States Validity Period Not Before Mar 9, 2026, 00:00:00 Not After Sep 23, 2026, 23:59:59 Issuer Common Name (CN) DigiCert G5 TLS RSA4096 SHA384 2021 CA1 Organization (O) DigiCert, Inc. Country / Territory (C) United States CT Log Tiger2026h2
www.duosecurity.com	1 yearNot Before: Jun 24, 2025, 00:00:00 Not After: Jul 22, 2026, 23:59:59	Amazon RSA 2048 M02Amazon	Xenon2026h2
Subject Common Name (CN) www.duosecurity.com Validity Period Not Before Jun 24, 2025, 00:00:00 Not After Jul 22, 2026, 23:59:59 Issuer Common Name (CN) Amazon RSA 2048 M02 Organization (O) Amazon Country / Territory (C) United States CT Log Xenon2026h2
www.duosecurity.com	1 yearNot Before: Jun 22, 2025, 00:00:00 Not After: Jul 20, 2026, 23:59:59	Amazon RSA 2048 M02Amazon	Wyvern2026h2
Subject Common Name (CN) www.duosecurity.com Validity Period Not Before Jun 22, 2025, 00:00:00 Not After Jul 20, 2026, 23:59:59 Issuer Common Name (CN) Amazon RSA 2048 M02 Organization (O) Amazon Country / Territory (C) United States CT Log Wyvern2026h2
*.duosecurity.comDuo Security LLC	4 monthsNot Before: Dec 12, 2025, 00:00:00 Not After: Apr 14, 2026, 23:59:59	DigiCert SHA2 High Assurance Server CADigiCert Inc	Sphinx2026h1
Subject Common Name (CN) *.duosecurity.com Organization (O) Duo Security LLC Country / Territory (C) United States Validity Period Not Before Dec 12, 2025, 00:00:00 Not After Apr 14, 2026, 23:59:59 Issuer Common Name (CN) DigiCert SHA2 High Assurance Server CA Organization (O) DigiCert Inc Country / Territory (C) United States CT Log Sphinx2026h1
*.duosecurity.comDuo Security LLC	10 monthsNot Before: May 20, 2025, 00:00:00 Not After: Mar 7, 2026, 23:59:59	DigiCert G5 TLS RSA4096 SHA384 2021 CA1DigiCert, Inc.	Argon2026h1
Subject Common Name (CN) *.duosecurity.com Organization (O) Duo Security LLC Country / Territory (C) United States Validity Period Not Before May 20, 2025, 00:00:00 Not After Mar 7, 2026, 23:59:59 Issuer Common Name (CN) DigiCert G5 TLS RSA4096 SHA384 2021 CA1 Organization (O) DigiCert, Inc. Country / Territory (C) United States CT Log Argon2026h1
*.duosecurity.comDuo Security LLC	1 yearNot Before: Feb 4, 2025, 00:00:00 Not After: Mar 7, 2026, 23:59:59	DigiCert SHA2 High Assurance Server CADigiCert Inc	Argon2026h1
Subject Common Name (CN) *.duosecurity.com Organization (O) Duo Security LLC Country / Territory (C) United States Validity Period Not Before Feb 4, 2025, 00:00:00 Not After Mar 7, 2026, 23:59:59 Issuer Common Name (CN) DigiCert SHA2 High Assurance Server CA Organization (O) DigiCert Inc Country / Territory (C) United States CT Log Argon2026h1
www.duosecurity.com	1 yearNot Before: Jul 25, 2024, 00:00:00 Not After: Aug 22, 2025, 23:59:59	Amazon RSA 2048 M03Amazon	Wyvern2025h2
Subject Common Name (CN) www.duosecurity.com Validity Period Not Before Jul 25, 2024, 00:00:00 Not After Aug 22, 2025, 23:59:59 Issuer Common Name (CN) Amazon RSA 2048 M03 Organization (O) Amazon Country / Territory (C) United States CT Log Wyvern2025h2
www.duosecurity.com	1 yearNot Before: Jul 23, 2024, 00:00:00 Not After: Aug 20, 2025, 23:59:59	Amazon RSA 2048 M02Amazon	Willow2025h2c
Subject Common Name (CN) www.duosecurity.com Validity Period Not Before Jul 23, 2024, 00:00:00 Not After Aug 20, 2025, 23:59:59 Issuer Common Name (CN) Amazon RSA 2048 M02 Organization (O) Amazon Country / Territory (C) United States CT Log Willow2025h2c
www.duosecurity.com	1 yearNot Before: Aug 23, 2023, 00:00:00 Not After: Sep 20, 2024, 23:59:59	Amazon RSA 2048 M01Amazon	Xenon2024
Subject Common Name (CN) www.duosecurity.com Validity Period Not Before Aug 23, 2023, 00:00:00 Not After Sep 20, 2024, 23:59:59 Issuer Common Name (CN) Amazon RSA 2048 M01 Organization (O) Amazon Country / Territory (C) United States CT Log Xenon2024

Subject

Validity Period

Issuer

CT Log

www.duosecurity.com

7 monthsNot Before: May 24, 2026, 00:00:00
Not After: Dec 7, 2026, 23:59:59

Amazon RSA 2048 M04Amazon

Trustasia2026a

Subject

Common Name (CN): www.duosecurity.com

Validity Period

Not Before: May 24, 2026, 00:00:00
Not After: Dec 7, 2026, 23:59:59

Issuer

Common Name (CN): Amazon RSA 2048 M04
Organization (O): Amazon
Country / Territory (C): United States

CT Log

Trustasia2026a

*.duosecurity.comDuo Security LLC

7 monthsNot Before: Mar 9, 2026, 00:00:00
Not After: Sep 23, 2026, 23:59:59

DigiCert G5 TLS RSA4096 SHA384 2021 CA1DigiCert, Inc.

Tiger2026h2

Subject

Common Name (CN): *.duosecurity.com
Organization (O): Duo Security LLC
Country / Territory (C): United States

Validity Period

Not Before: Mar 9, 2026, 00:00:00
Not After: Sep 23, 2026, 23:59:59

Issuer

Common Name (CN): DigiCert G5 TLS RSA4096 SHA384 2021 CA1
Organization (O): DigiCert, Inc.
Country / Territory (C): United States

CT Log

Tiger2026h2

www.duosecurity.com

1 yearNot Before: Jun 24, 2025, 00:00:00
Not After: Jul 22, 2026, 23:59:59

Amazon RSA 2048 M02Amazon

Xenon2026h2

Subject

Common Name (CN): www.duosecurity.com

Validity Period

Not Before: Jun 24, 2025, 00:00:00
Not After: Jul 22, 2026, 23:59:59

Issuer

Common Name (CN): Amazon RSA 2048 M02
Organization (O): Amazon
Country / Territory (C): United States

CT Log

Xenon2026h2

www.duosecurity.com

1 yearNot Before: Jun 22, 2025, 00:00:00
Not After: Jul 20, 2026, 23:59:59

Amazon RSA 2048 M02Amazon

Wyvern2026h2

Subject

Common Name (CN): www.duosecurity.com

Validity Period

Not Before: Jun 22, 2025, 00:00:00
Not After: Jul 20, 2026, 23:59:59

Issuer

Common Name (CN): Amazon RSA 2048 M02
Organization (O): Amazon
Country / Territory (C): United States

CT Log

Wyvern2026h2

*.duosecurity.comDuo Security LLC

4 monthsNot Before: Dec 12, 2025, 00:00:00
Not After: Apr 14, 2026, 23:59:59

DigiCert SHA2 High Assurance Server CADigiCert Inc

Sphinx2026h1

Subject

Common Name (CN): *.duosecurity.com
Organization (O): Duo Security LLC
Country / Territory (C): United States

Validity Period

Not Before: Dec 12, 2025, 00:00:00
Not After: Apr 14, 2026, 23:59:59

Issuer

Common Name (CN): DigiCert SHA2 High Assurance Server CA
Organization (O): DigiCert Inc
Country / Territory (C): United States

CT Log

Sphinx2026h1

*.duosecurity.comDuo Security LLC

10 monthsNot Before: May 20, 2025, 00:00:00
Not After: Mar 7, 2026, 23:59:59

DigiCert G5 TLS RSA4096 SHA384 2021 CA1DigiCert, Inc.

Argon2026h1

Subject

Common Name (CN): *.duosecurity.com
Organization (O): Duo Security LLC
Country / Territory (C): United States

Validity Period

Not Before: May 20, 2025, 00:00:00
Not After: Mar 7, 2026, 23:59:59

Issuer

Common Name (CN): DigiCert G5 TLS RSA4096 SHA384 2021 CA1
Organization (O): DigiCert, Inc.
Country / Territory (C): United States

CT Log

Argon2026h1

*.duosecurity.comDuo Security LLC

1 yearNot Before: Feb 4, 2025, 00:00:00
Not After: Mar 7, 2026, 23:59:59

DigiCert SHA2 High Assurance Server CADigiCert Inc

Argon2026h1

Subject

Common Name (CN): *.duosecurity.com
Organization (O): Duo Security LLC
Country / Territory (C): United States

Validity Period

Not Before: Feb 4, 2025, 00:00:00
Not After: Mar 7, 2026, 23:59:59

Issuer

Common Name (CN): DigiCert SHA2 High Assurance Server CA
Organization (O): DigiCert Inc
Country / Territory (C): United States

CT Log

Argon2026h1

www.duosecurity.com

1 yearNot Before: Jul 25, 2024, 00:00:00
Not After: Aug 22, 2025, 23:59:59

Amazon RSA 2048 M03Amazon

Wyvern2025h2

Subject

Common Name (CN): www.duosecurity.com

Validity Period

Not Before: Jul 25, 2024, 00:00:00
Not After: Aug 22, 2025, 23:59:59

Issuer

Common Name (CN): Amazon RSA 2048 M03
Organization (O): Amazon
Country / Territory (C): United States

CT Log

Wyvern2025h2

www.duosecurity.com

1 yearNot Before: Jul 23, 2024, 00:00:00
Not After: Aug 20, 2025, 23:59:59

Amazon RSA 2048 M02Amazon

Willow2025h2c

Subject

Common Name (CN): www.duosecurity.com

Validity Period

Not Before: Jul 23, 2024, 00:00:00
Not After: Aug 20, 2025, 23:59:59

Issuer

Common Name (CN): Amazon RSA 2048 M02
Organization (O): Amazon
Country / Territory (C): United States

CT Log

Willow2025h2c

www.duosecurity.com

1 yearNot Before: Aug 23, 2023, 00:00:00
Not After: Sep 20, 2024, 23:59:59

Amazon RSA 2048 M01Amazon

Xenon2024

Subject

Common Name (CN): www.duosecurity.com

Validity Period

Not Before: Aug 23, 2023, 00:00:00
Not After: Sep 20, 2024, 23:59:59

Issuer

Common Name (CN): Amazon RSA 2048 M01
Organization (O): Amazon
Country / Territory (C): United States

CT Log

Xenon2024

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