Results formail.a4a.de

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
2024-10-28T09:42:18.028	2024-10-28T08:43:46	2025-01-26T08:43:45	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R10
2024-10-28T09:42:16.477	2024-10-28T08:43:46	2025-01-26T08:43:45	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R10
2024-08-28T21:07:12.327	2024-08-28T20:08:41	2024-11-26T20:08:40	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R11
2024-08-28T21:07:11.857	2024-08-28T20:08:41	2024-11-26T20:08:40	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R11
2024-06-29T20:57:40.306	2024-06-29T19:57:39	2024-09-27T19:57:38	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R11
2024-06-29T20:57:39.715	2024-06-29T19:57:39	2024-09-27T19:57:38	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R11
2024-04-30T21:54:28.523	2024-04-30T20:54:28	2024-07-29T20:54:27	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2024-04-30T21:54:28.281	2024-04-30T20:54:28	2024-07-29T20:54:27	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2024-03-01T21:02:05.537	2024-03-01T20:02:04	2024-05-30T20:02:03	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2024-03-01T21:02:04.893	2024-03-01T20:02:04	2024-05-30T20:02:03	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2024-01-01T06:27:25.241	2024-01-01T05:27:24	2024-03-31T05:27:23	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2024-01-01T06:27:24.979	2024-01-01T05:27:24	2024-03-31T05:27:23	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-11-01T21:38:38.019	2023-11-01T20:38:37	2024-01-30T20:38:36	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-11-01T21:38:37.827	2023-11-01T20:38:37	2024-01-30T20:38:36	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-09-02T09:10:59.185	2023-09-02T08:10:58	2023-12-01T08:10:57	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-09-02T09:10:58.906	2023-09-02T08:10:58	2023-12-01T08:10:57	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-07-03T21:42:25.96	2023-07-03T20:42:25	2023-10-01T20:42:24	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-07-03T21:42:25.753	2023-07-03T20:42:25	2023-10-01T20:42:24	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-05-04T12:47:51.76	2023-05-04T11:47:51	2023-08-02T11:47:50	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-05-04T12:47:51.425	2023-05-04T11:47:51	2023-08-02T11:47:50	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-03-05T07:43:45.584	2023-03-05T06:43:45	2023-06-03T06:43:44	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-03-05T07:43:45.457	2023-03-05T06:43:45	2023-06-03T06:43:44	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-01-04T05:16:39.371	2023-01-04T04:16:39	2023-04-04T04:16:38	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2023-01-04T05:16:39.186	2023-01-04T04:16:39	2023-04-04T04:16:38	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-11-04T16:34:18.52	2022-11-04T15:34:18	2023-02-02T15:34:17	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-11-04T16:34:18.391	2022-11-04T15:34:18	2023-02-02T15:34:17	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-09-05T16:55:07.088	2022-09-05T15:55:06	2022-12-04T15:55:05	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-09-05T16:55:06.846	2022-09-05T15:55:06	2022-12-04T15:55:05	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-09-04T13:31:04.645	2022-09-04T12:31:04	2022-12-03T12:31:03	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-09-04T13:31:04.386	2022-09-04T12:31:04	2022-12-03T12:31:03	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-07-06T09:22:44.704	2022-07-06T08:22:44	2022-10-04T08:22:43	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-07-06T09:22:44.591	2022-07-06T08:22:44	2022-10-04T08:22:43	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-05-06T22:39:08.53	2022-05-06T21:39:07	2022-08-04T21:39:06	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-05-06T22:39:08.11	2022-05-06T21:39:07	2022-08-04T21:39:06	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-03-07T21:23:40.861	2022-03-07T20:23:40	2022-06-05T20:23:39	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-03-07T21:23:40.202	2022-03-07T20:23:40	2022-06-05T20:23:39	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-01-06T21:49:25.059	2022-01-06T20:49:24	2022-04-06T20:49:23	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2022-01-06T21:49:24.951	2022-01-06T20:49:24	2022-04-06T20:49:23	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-11-07T20:05:38.63	2021-11-07T19:05:37	2022-02-05T19:05:36	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-11-07T20:05:38.016	2021-11-07T19:05:37	2022-02-05T19:05:36	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-09-08T17:23:39.999	2021-09-08T16:23:39	2021-12-07T16:23:38	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-09-08T17:23:39.765	2021-09-08T16:23:39	2021-12-07T16:23:38	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-07-10T11:51:30.789	2021-07-10T10:51:30	2021-10-08T10:51:29	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-07-10T11:51:30.506	2021-07-10T10:51:30	2021-10-08T10:51:29	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-05-11T11:18:02.352	2021-05-11T10:18:01	2021-08-09T10:18:01	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-05-11T11:18:02.056	2021-05-11T10:18:01	2021-08-09T10:18:01	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-03-12T11:16:27.572	2021-03-12T10:16:27	2021-06-10T10:16:27	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-03-12T11:16:27.225	2021-03-12T10:16:27	2021-06-10T10:16:27	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-01-11T08:58:09.062	2021-01-11T07:58:08	2021-04-11T07:58:08	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2021-01-11T08:58:08.849	2021-01-11T07:58:08	2021-04-11T07:58:08	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=R3
2020-11-11T22:38:04.801	2020-11-11T21:38:04	2021-02-09T21:38:04	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-11-11T22:38:04.572	2020-11-11T21:38:04	2021-02-09T21:38:04	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-12T08:27:50.371	2020-09-12T07:27:49	2020-12-11T07:27:49	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-12T08:27:49.986	2020-09-12T07:27:49	2020-12-11T07:27:49	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-07-14T07:55:55.17	2020-07-14T06:55:54	2020-10-12T06:55:54	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-07-14T07:55:54.899	2020-07-14T06:55:54	2020-10-12T06:55:54	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-05-15T07:05:26.287	2020-05-15T06:05:25	2020-08-13T06:05:25	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-05-15T07:05:25.996	2020-05-15T06:05:25	2020-08-13T06:05:25	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-15T18:49:02.196	2020-03-15T17:49:01	2020-06-13T17:49:01	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-15T18:49:02.063	2020-03-15T17:49:01	2020-06-13T17:49:01	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-01-25T04:10:53.451	2009-10-08T06:46:11	2011-10-10T13:47:28	mail.a4a.de	mail.a4a.de	C=US, O=Equifax, OU=Equifax Secure Certificate Authority
2020-01-15T00:43:40.56	2020-01-14T23:43:40	2020-04-13T23:43:40	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-01-15T00:43:40.37	2020-01-14T23:43:40	2020-04-13T23:43:40	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-11-15T18:01:59.427	2019-11-15T17:01:59	2020-02-13T17:01:59	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-11-15T18:01:59.311	2019-11-15T17:01:59	2020-02-13T17:01:59	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-09-16T15:58:34.679	2019-09-16T14:58:33	2019-12-15T14:58:33	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-09-16T15:58:33.721	2019-09-16T14:58:33	2019-12-15T14:58:33	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-07-18T11:32:12.441	2019-07-18T10:32:09	2019-10-16T10:32:09	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-07-18T11:32:09.935	2019-07-18T10:32:09	2019-10-16T10:32:09	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-07-18T11:16:21.699	2019-07-18T10:16:20	2019-10-16T10:16:20	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-07-18T11:16:20.663	2019-07-18T10:16:20	2019-10-16T10:16:20	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-06-13T15:56:45.545	2019-06-13T14:56:44	2019-09-11T14:56:44	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-06-13T15:56:44.762	2019-06-13T14:56:44	2019-09-11T14:56:44	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-04-14T08:53:15.158	2019-04-14T07:53:14	2019-07-13T07:53:14	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-04-14T08:53:14.335	2019-04-14T07:53:14	2019-07-13T07:53:14	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-02-13T09:46:49.606	2019-02-13T08:46:48	2019-05-14T08:46:48	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-02-13T09:46:48.44	2019-02-13T08:46:48	2019-05-14T08:46:48	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-12-02T16:07:10.721	2018-12-02T15:07:09	2019-03-02T15:07:09	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-12-02T16:07:09.359	2018-12-02T15:07:09	2019-03-02T15:07:09	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-09-21T10:48:29.704	2018-09-21T09:48:28	2018-12-20T09:48:28	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-09-21T10:48:28.821	2018-09-21T09:48:28	2018-12-20T09:48:28	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-07-12T06:25:13.356	2018-07-12T05:25:11	2018-10-10T05:25:11	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-07-12T06:25:12.27	2018-07-12T05:25:11	2018-10-10T05:25:11	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-04-23T17:17:23.984	2018-04-23T08:27:54	2018-07-22T08:27:54	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-04-23T09:27:54.699	2018-04-23T08:27:54	2018-07-22T08:27:54	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-02-09T20:32:44.496	2018-02-09T19:32:44	2018-05-10T19:32:44	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-02-02T16:24:07.824	2014-04-11T16:06:32	2016-04-11T05:32:13	mail.a4a.de	mail.a4a.de	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA
2017-12-01T16:53:52.12	2017-12-01T15:49:16	2018-03-01T15:49:16	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2017-09-22T16:05:20.249	2017-09-22T15:05:00	2017-12-21T15:05:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2017-07-14T14:16:25.223	2017-07-14T13:16:00	2017-10-12T13:16:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2017-05-05T14:12:39.478	2017-05-05T13:13:00	2017-08-03T13:13:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2017-02-23T12:09:11.847	2017-02-23T11:09:00	2017-05-24T11:09:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2016-12-14T14:57:51.284	2016-12-14T13:58:00	2017-03-14T13:58:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2016-09-30T14:47:17.289	2016-09-30T13:47:00	2016-12-29T13:47:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2016-09-18T04:54:21.92	2010-12-21T07:39:45	2012-12-22T00:41:38	*.a4a.de	*.a4a.de	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA
2016-07-06T19:21:33.669	2016-07-06T18:22:00	2016-10-04T18:22:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2016-04-07T18:43:55.865	2016-04-07T17:44:00	2016-07-06T17:44:00	mail.a4a.de	mail.a4a.de	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2015-05-01T12:13:39.389	2015-04-29T14:34:31	2017-04-29T14:02:25	*.a4a.de	*.a4a.de	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA
2013-03-26T10:56:43.754	2012-12-10T00:31:45	2014-12-12T01:11:59	*.a4a.de	*.a4a.de	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA

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