| 2025-11-27T08:13:51.257 | 2025-11-27T07:13:50 | 2026-02-25T07:13:49 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-11-27T08:13:51.257 | 2025-11-27T07:13:50 | 2026-02-25T07:13:49 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-09-28T09:10:23.975 | 2025-09-28T08:10:23 | 2025-12-27T08:10:22 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-09-28T09:10:23.975 | 2025-09-28T08:10:23 | 2025-12-27T08:10:22 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-09-09T13:40:10.028 | 2025-09-09T00:00:00 | 2026-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-09-09T13:40:10.028 | 2025-09-09T00:00:00 | 2026-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-09-09T13:40:04.264 | 2025-09-09T00:00:00 | 2026-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-09-09T13:40:04.264 | 2025-09-09T00:00:00 | 2026-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-08-26T11:59:32.272 | 2025-08-26T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-08-26T11:59:32.272 | 2025-08-26T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-08-26T11:59:31.72 | 2025-08-26T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-08-26T11:59:31.72 | 2025-08-26T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 |
| 2025-08-19T22:46:40.599 | 2025-08-19T00:00:00 | 2026-09-17T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Amazon, CN=Amazon RSA 2048 M03 |
| 2025-08-19T22:46:40.599 | 2025-08-19T00:00:00 | 2026-09-17T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Amazon, CN=Amazon RSA 2048 M03 |
| 2025-08-19T19:17:19.001 | 2025-08-19T00:00:00 | 2026-09-17T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Amazon, CN=Amazon RSA 2048 M04 |
| 2025-08-19T19:17:19.001 | 2025-08-19T00:00:00 | 2026-09-17T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Amazon, CN=Amazon RSA 2048 M04 |
| 2025-07-30T10:07:00.652 | 2025-07-30T09:07:00 | 2025-10-28T09:06:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-07-30T10:07:00.652 | 2025-07-30T09:07:00 | 2025-10-28T09:06:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-05-31T11:03:30.249 | 2025-05-31T10:03:29 | 2025-08-29T10:03:28 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-05-31T11:03:30.249 | 2025-05-31T10:03:29 | 2025-08-29T10:03:28 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-04-01T11:59:58.37 | 2025-04-01T10:59:58 | 2025-06-30T10:59:57 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-04-01T11:59:58.37 | 2025-04-01T10:59:58 | 2025-06-30T10:59:57 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-01-31T12:54:11.455 | 2025-01-31T11:54:11 | 2025-05-01T11:54:10 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2025-01-31T12:54:11.455 | 2025-01-31T11:54:11 | 2025-05-01T11:54:10 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2024-12-02T13:50:18.907 | 2024-12-02T12:50:18 | 2025-03-02T12:50:17 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2024-12-02T13:50:18.907 | 2024-12-02T12:50:18 | 2025-03-02T12:50:17 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2024-10-04T12:35:23.309 | 2024-10-04T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA |
| 2024-10-04T12:35:23.309 | 2024-10-04T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA |
| 2024-10-04T12:35:21.803 | 2024-10-04T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA |
| 2024-10-04T12:35:21.803 | 2024-10-04T00:00:00 | 2025-10-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA |
| 2024-10-03T14:46:25.556 | 2024-10-03T13:46:25 | 2025-01-01T13:46:24 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2024-10-03T14:46:25.556 | 2024-10-03T13:46:25 | 2025-01-01T13:46:24 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2024-10-03T09:28:54.94 | 2024-10-03T08:28:54 | 2025-01-01T08:28:53 | sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2024-10-03T09:28:54.94 | 2024-10-03T08:28:54 | 2025-01-01T08:28:53 | sparkpostmail.com | *.sparkpostmail.com | C=US, O=Google Trust Services, CN=WR1 |
| 2023-09-15T18:35:39.278 | 2023-09-15T00:00:00 | 2024-10-15T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2023-09-15T18:35:39.278 | 2023-09-15T00:00:00 | 2024-10-15T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2022-10-26T14:29:47.805 | 2022-10-26T00:00:00 | 2023-11-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O="DigiCert, Inc.", CN=RapidSSL Global TLS RSA4096 SHA256 2022 CA1 |
| 2022-10-26T14:29:47.805 | 2022-10-26T00:00:00 | 2023-11-05T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O="DigiCert, Inc.", CN=RapidSSL Global TLS RSA4096 SHA256 2022 CA1 |
| 2021-10-25T21:14:24.687 | 2021-10-25T00:00:00 | 2022-11-04T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1 |
| 2021-10-25T21:14:24.687 | 2021-10-25T00:00:00 | 2022-11-04T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1 |
| 2020-11-04T21:14:56.852 | 2020-11-04T00:00:00 | 2021-11-04T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1 |
| 2020-11-04T21:14:56.852 | 2020-11-04T00:00:00 | 2021-11-04T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1 |
| 2019-08-29T04:27:18.543 | 2019-07-22T00:00:00 | 2020-11-19T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2019-08-29T04:27:18.543 | 2019-07-22T00:00:00 | 2020-11-19T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2019-07-22T19:43:03.087 | 2019-07-22T00:00:00 | 2020-11-19T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2019-07-22T19:43:03.087 | 2019-07-22T00:00:00 | 2020-11-19T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2018-10-01T20:07:21.189 | 2018-08-21T00:00:00 | 2019-08-21T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2018-10-01T20:07:21.189 | 2018-08-21T00:00:00 | 2019-08-21T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2018-08-21T12:36:28.322 | 2018-08-21T00:00:00 | 2019-08-21T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2018-08-21T12:36:28.322 | 2018-08-21T00:00:00 | 2019-08-21T12:00:00 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2018-02-02T23:26:13.526 | 2014-10-14T01:32:18 | 2016-10-15T23:06:51 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA - G3 |
| 2018-02-02T23:26:13.526 | 2014-10-14T01:32:18 | 2016-10-15T23:06:51 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA - G3 |
| 2016-10-16T10:35:09.412 | 2016-10-12T00:00:00 | 2019-11-11T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA |
| 2016-10-16T10:35:09.412 | 2016-10-12T00:00:00 | 2019-11-11T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA |
| 2016-10-12T17:44:41.013 | 2016-10-12T00:00:00 | 2019-11-11T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA |
| 2016-10-12T17:44:41.013 | 2016-10-12T00:00:00 | 2019-11-11T23:59:59 | *.sparkpostmail.com | *.sparkpostmail.com | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA |