Results forpostmaster.astr.tohoku.ac.jp

www.postmaster.astr.tohoku.ac.jp astr.tohoku.ac.jp tohoku.ac.jp ac.jp jp

Registrar

Creation Date

DNSSEC

How it works

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
2024-10-07T08:22:48.068	2024-10-07T07:24:17	2025-01-05T07:24:16	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R11
2024-10-07T08:22:47.751	2024-10-07T07:24:17	2025-01-05T07:24:16	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R11
2024-07-10T01:55:35.763	2024-07-10T00:55:35	2024-10-08T00:55:34	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R10
2024-07-10T01:55:35.189	2024-07-10T00:55:35	2024-10-08T00:55:34	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R10
2024-04-16T23:47:30.807	2024-04-16T22:47:30	2024-07-15T22:47:29	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2024-04-16T23:47:30.435	2024-04-16T22:47:30	2024-07-15T22:47:29	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2024-01-15T01:56:33.202	2024-01-15T00:56:32	2024-04-14T00:56:31	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2024-01-15T01:56:32.767	2024-01-15T00:56:32	2024-04-14T00:56:31	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-10-19T00:50:26.024	2023-10-18T23:50:25	2024-01-16T23:50:24	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-10-19T00:50:25.82	2023-10-18T23:50:25	2024-01-16T23:50:24	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-07-19T00:48:48.693	2023-07-18T23:48:48	2023-10-16T23:48:47	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-07-19T00:48:48.345	2023-07-18T23:48:48	2023-10-16T23:48:47	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-04-20T09:18:15.547	2023-04-20T08:18:15	2023-07-19T08:18:14	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-04-20T09:18:15.221	2023-04-20T08:18:15	2023-07-19T08:18:14	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-01-19T01:15:48.957	2023-01-19T00:15:48	2023-04-19T00:15:47	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2023-01-19T01:15:48.732	2023-01-19T00:15:48	2023-04-19T00:15:47	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-10-21T07:27:54.582	2022-10-21T06:27:53	2023-01-19T06:27:52	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-10-21T07:27:54.184	2022-10-21T06:27:53	2023-01-19T06:27:52	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-07-25T02:10:39.763	2022-07-25T01:10:39	2022-10-23T01:10:38	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-07-25T02:10:39.306	2022-07-25T01:10:39	2022-10-23T01:10:38	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-04-26T01:16:11.589	2022-04-26T00:16:11	2022-07-25T00:16:10	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-04-26T01:16:11.375	2022-04-26T00:16:11	2022-07-25T00:16:10	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-01-25T23:18:48.231	2022-01-25T22:18:48	2022-04-25T22:18:47	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2022-01-25T23:18:48.067	2022-01-25T22:18:48	2022-04-25T22:18:47	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-10-30T03:15:25.331	2021-10-30T02:15:24	2022-01-28T02:15:23	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-10-30T03:15:24.712	2021-10-30T02:15:24	2022-01-28T02:15:23	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-08-02T05:06:18.523	2021-08-02T04:06:18	2021-10-31T04:06:16	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-08-02T05:06:18.378	2021-08-02T04:06:18	2021-10-31T04:06:16	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-05-05T08:44:17.979	2021-05-05T07:44:17	2021-08-03T07:44:17	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-05-05T08:44:16.458	2021-05-05T07:44:17	2021-08-03T07:44:17	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-02-11T13:29:24.512	2021-02-11T12:29:23	2021-05-12T12:29:23	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2021-02-11T13:29:23.92	2021-02-11T12:29:23	2021-05-12T12:29:23	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2020-12-03T00:35:32.031	2020-12-02T23:35:31	2021-03-02T23:35:31	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2020-12-03T00:35:31.363	2020-12-02T23:35:31	2021-03-02T23:35:31	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=R3
2020-09-24T00:27:45.695	2020-09-23T23:27:45	2020-12-22T23:27:45	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-24T00:27:45.565	2020-09-23T23:27:45	2020-12-22T23:27:45	*.astr.tohoku.ac.jp	*.astr.tohoku.ac.jp	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3

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