Results forwww.t-act.tsukuba.ac.jp

t-act.tsukuba.ac.jp tsukuba.ac.jp ac.jp jp

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Every certificate issued for a domain by a trusted CA is publicly announced and stored.
The entries on this page were collected by crt.sh.

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2024-10-01T04:50:33.248	2024-10-01T04:40:32	2025-11-01T04:40:32	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O="SECOM Trust Systems CO.,LTD.", CN=NII Open Domain CA - G7 RSA
2023-10-02T05:40:25.635	2022-10-04T06:20:51	2023-11-04T06:20:51	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O="SECOM Trust Systems CO.,LTD.", CN=NII Open Domain CA - G7 RSA
2023-10-02T05:38:36.605	2023-10-02T05:28:36	2024-11-01T05:28:36	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O="SECOM Trust Systems CO.,LTD.", CN=NII Open Domain CA - G7 RSA
2022-10-04T06:30:51.273	2022-10-04T06:20:51	2023-11-04T06:20:51	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O="SECOM Trust Systems CO.,LTD.", CN=NII Open Domain CA - G7 RSA
2021-10-15T01:48:49.196	2021-10-15T01:38:49	2022-11-15T01:38:49	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O="SECOM Trust Systems CO.,LTD.", CN=NII Open Domain CA - G7 RSA
2021-01-27T08:16:20.546	2021-01-27T08:06:19	2022-02-27T08:06:19	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O="SECOM Trust Systems CO.,LTD.", CN=NII Open Domain CA - G7 RSA
2019-05-31T01:56:57.385	2019-05-23T04:37:49	2021-06-23T04:37:49	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O=National Institute of Informatics, CN=NII Open Domain CA - G5
2019-05-23T04:47:50.071	2019-05-23T04:37:49	2021-06-23T04:37:49	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, O=National Institute of Informatics, CN=NII Open Domain CA - G5
2017-05-25T22:21:05.276	2017-05-12T00:20:00	2019-06-12T00:20:00	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, L=Academe, O=National Institute of Informatics, CN=NII Open Domain CA - G4
2015-06-25T13:18:09.287	2015-05-18T07:54:28	2017-06-17T07:54:28	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, L=Academe, O=National Institute of Informatics, CN=NII Open Domain CA - G4
2014-04-19T14:41:51.851	2014-04-16T06:48:54	2016-03-16T06:58:54	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, L=Academe2, O=National Institute of Informatics, OU=UPKI, OU=NII Open Domain CA - G2
2013-07-25T11:25:49.487	2013-07-22T04:22:13	2015-08-21T04:32:13	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=JP, L=Academe2, O=National Institute of Informatics, OU=UPKI, OU=NII Open Domain CA - G2
2013-03-26T09:25:27.12	2009-06-17T15:47:24	2013-10-18T04:57:36	www.t-act.tsukuba.ac.jp	www.t-act.tsukuba.ac.jp	C=US, O=Equifax, OU=Equifax Secure Certificate Authority