gnu.ac.kr Domain Information | Cloudflare Radar

DNS records

1.1.1.1 Resolver query results

Subject	Validity Period	Issuer	CT Log
*.gnu.ac.kr	1 yearNot Before: Jan 29, 2026, 00:00:00 Not After: Feb 28, 2027, 23:59:59	Sectigo Public Server Authentication CA DV R36Sectigo Limited	Sycamore2027h1
Subject Common Name (CN) *.gnu.ac.kr Validity Period Not Before Jan 29, 2026, 00:00:00 Not After Feb 28, 2027, 23:59:59 Issuer Common Name (CN) Sectigo Public Server Authentication CA DV R36 Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Sycamore2027h1
*.gnu.ac.kr	1 yearNot Before: Dec 4, 2025, 00:00:00 Not After: Jan 4, 2027, 23:59:59	Sectigo RSA Domain Validation Secure Server CASectigo Limited	Elephant2027h1
Subject Common Name (CN) *.gnu.ac.kr Validity Period Not Before Dec 4, 2025, 00:00:00 Not After Jan 4, 2027, 23:59:59 Issuer Common Name (CN) Sectigo RSA Domain Validation Secure Server CA Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Elephant2027h1
*.gnu.ac.krGyeongsang National University	7 monthsNot Before: Apr 30, 2026, 00:00:00 Not After: Nov 14, 2026, 23:59:59	Sectigo Public Server Authentication CA OV R36Sectigo Limited	Argon2026h2
Subject Common Name (CN) *.gnu.ac.kr Organization (O) Gyeongsang National University Country / Territory (C) South Korea Validity Period Not Before Apr 30, 2026, 00:00:00 Not After Nov 14, 2026, 23:59:59 Issuer Common Name (CN) Sectigo Public Server Authentication CA OV R36 Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Argon2026h2
*.gnu.ac.krGyeongsang National University	1 yearNot Before: Apr 7, 2025, 00:00:00 Not After: May 7, 2026, 23:59:59	Sectigo RSA Organization Validation Secure Server CASectigo Limited	Xenon2026h1
Subject Common Name (CN) *.gnu.ac.kr Organization (O) Gyeongsang National University Country / Territory (C) South Korea Validity Period Not Before Apr 7, 2025, 00:00:00 Not After May 7, 2026, 23:59:59 Issuer Common Name (CN) Sectigo RSA Organization Validation Secure Server CA Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Xenon2026h1
*.gnu.ac.kr	1 yearNot Before: Jan 20, 2025, 00:00:00 Not After: Feb 19, 2026, 23:59:59	Sectigo RSA Domain Validation Secure Server CASectigo Limited	Xenon2026h1
Subject Common Name (CN) *.gnu.ac.kr Validity Period Not Before Jan 20, 2025, 00:00:00 Not After Feb 19, 2026, 23:59:59 Issuer Common Name (CN) Sectigo RSA Domain Validation Secure Server CA Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Xenon2026h1
gelc.or.kr	1 yearNot Before: Jun 19, 2024, 00:00:00 Not After: Jul 19, 2025, 23:59:59	Sectigo RSA Domain Validation Secure Server CASectigo Limited	Oak2025h2
Subject Common Name (CN) gelc.or.kr Validity Period Not Before Jun 19, 2024, 00:00:00 Not After Jul 19, 2025, 23:59:59 Issuer Common Name (CN) Sectigo RSA Domain Validation Secure Server CA Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Oak2025h2
*.gnu.ac.krGyeongsang National University	1 yearNot Before: Mar 11, 2024, 00:00:00 Not After: Apr 10, 2025, 23:59:59	Sectigo RSA Organization Validation Secure Server CASectigo Limited	Xenon2025h1
Subject Common Name (CN) *.gnu.ac.kr Organization (O) Gyeongsang National University Country / Territory (C) South Korea Validity Period Not Before Mar 11, 2024, 00:00:00 Not After Apr 10, 2025, 23:59:59 Issuer Common Name (CN) Sectigo RSA Organization Validation Secure Server CA Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Xenon2025h1
*.gnu.ac.kr	1 yearNot Before: Jan 18, 2024, 00:00:00 Not After: Feb 16, 2025, 23:59:59	Sectigo RSA Domain Validation Secure Server CASectigo Limited	Mammoth2025h1
Subject Common Name (CN) *.gnu.ac.kr Validity Period Not Before Jan 18, 2024, 00:00:00 Not After Feb 16, 2025, 23:59:59 Issuer Common Name (CN) Sectigo RSA Domain Validation Secure Server CA Organization (O) Sectigo Limited Country / Territory (C) United Kingdom CT Log Mammoth2025h1

Subject

Validity Period

Issuer

CT Log

*.gnu.ac.kr

1 yearNot Before: Jan 29, 2026, 00:00:00
Not After: Feb 28, 2027, 23:59:59

Sectigo Public Server Authentication CA DV R36Sectigo Limited

Sycamore2027h1

Subject

Common Name (CN): *.gnu.ac.kr

Validity Period

Not Before: Jan 29, 2026, 00:00:00
Not After: Feb 28, 2027, 23:59:59

Issuer

Common Name (CN): Sectigo Public Server Authentication CA DV R36
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Sycamore2027h1

*.gnu.ac.kr

1 yearNot Before: Dec 4, 2025, 00:00:00
Not After: Jan 4, 2027, 23:59:59

Sectigo RSA Domain Validation Secure Server CASectigo Limited

Elephant2027h1

Subject

Common Name (CN): *.gnu.ac.kr

Validity Period

Not Before: Dec 4, 2025, 00:00:00
Not After: Jan 4, 2027, 23:59:59

Issuer

Common Name (CN): Sectigo RSA Domain Validation Secure Server CA
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Elephant2027h1

*.gnu.ac.krGyeongsang National University

7 monthsNot Before: Apr 30, 2026, 00:00:00
Not After: Nov 14, 2026, 23:59:59

Sectigo Public Server Authentication CA OV R36Sectigo Limited

Argon2026h2

Subject

Common Name (CN): *.gnu.ac.kr
Organization (O): Gyeongsang National University
Country / Territory (C): South Korea

Validity Period

Not Before: Apr 30, 2026, 00:00:00
Not After: Nov 14, 2026, 23:59:59

Issuer

Common Name (CN): Sectigo Public Server Authentication CA OV R36
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Argon2026h2

*.gnu.ac.krGyeongsang National University

1 yearNot Before: Apr 7, 2025, 00:00:00
Not After: May 7, 2026, 23:59:59

Sectigo RSA Organization Validation Secure Server CASectigo Limited

Xenon2026h1

Subject

Common Name (CN): *.gnu.ac.kr
Organization (O): Gyeongsang National University
Country / Territory (C): South Korea

Validity Period

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

Issuer

Common Name (CN): Sectigo RSA Organization Validation Secure Server CA
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Xenon2026h1

*.gnu.ac.kr

1 yearNot Before: Jan 20, 2025, 00:00:00
Not After: Feb 19, 2026, 23:59:59

Sectigo RSA Domain Validation Secure Server CASectigo Limited

Xenon2026h1

Subject

Common Name (CN): *.gnu.ac.kr

Validity Period

Not Before: Jan 20, 2025, 00:00:00
Not After: Feb 19, 2026, 23:59:59

Issuer

Common Name (CN): Sectigo RSA Domain Validation Secure Server CA
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Xenon2026h1

gelc.or.kr

1 yearNot Before: Jun 19, 2024, 00:00:00
Not After: Jul 19, 2025, 23:59:59

Sectigo RSA Domain Validation Secure Server CASectigo Limited

Oak2025h2

Subject

Common Name (CN): gelc.or.kr

Validity Period

Not Before: Jun 19, 2024, 00:00:00
Not After: Jul 19, 2025, 23:59:59

Issuer

Common Name (CN): Sectigo RSA Domain Validation Secure Server CA
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Oak2025h2

*.gnu.ac.krGyeongsang National University

1 yearNot Before: Mar 11, 2024, 00:00:00
Not After: Apr 10, 2025, 23:59:59

Sectigo RSA Organization Validation Secure Server CASectigo Limited

Xenon2025h1

Subject

Common Name (CN): *.gnu.ac.kr
Organization (O): Gyeongsang National University
Country / Territory (C): South Korea

Validity Period

Not Before: Mar 11, 2024, 00:00:00
Not After: Apr 10, 2025, 23:59:59

Issuer

Common Name (CN): Sectigo RSA Organization Validation Secure Server CA
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Xenon2025h1

*.gnu.ac.kr

1 yearNot Before: Jan 18, 2024, 00:00:00
Not After: Feb 16, 2025, 23:59:59

Sectigo RSA Domain Validation Secure Server CASectigo Limited

Mammoth2025h1

Subject

Common Name (CN): *.gnu.ac.kr

Validity Period

Not Before: Jan 18, 2024, 00:00:00
Not After: Feb 16, 2025, 23:59:59

Issuer

Common Name (CN): Sectigo RSA Domain Validation Secure Server CA
Organization (O): Sectigo Limited
Country / Territory (C): United Kingdom

CT Log

Mammoth2025h1

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