| 2026-01-27T21:13:50.768 | 2026-01-27T00:00:00 | 2027-02-12T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2025-12-27T18:45:44.62 | 2025-12-27T17:47:14 | 2026-03-27T17:47:13 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=E7 |
| 2025-12-27T18:45:44.323 | 2025-12-27T17:47:14 | 2026-03-27T17:47:13 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=E7 |
| 2025-12-27T18:45:37.661 | 2025-12-27T17:47:06 | 2026-03-27T17:47:05 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=R12 |
| 2025-12-27T18:45:36.914 | 2025-12-27T17:47:06 | 2026-03-27T17:47:05 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=R12 |
| 2025-12-20T14:45:21.11 | 2025-12-20T13:46:49 | 2026-03-20T13:46:48 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R13 |
| 2025-12-20T14:45:20.002 | 2025-12-20T13:46:49 | 2026-03-20T13:46:48 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R13 |
| 2025-10-28T15:12:08.22 | 2025-10-28T14:13:38 | 2026-01-26T14:13:37 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=E7 |
| 2025-10-28T15:12:08.113 | 2025-10-28T14:13:38 | 2026-01-26T14:13:37 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=E7 |
| 2025-10-28T15:12:02.411 | 2025-10-28T14:13:31 | 2026-01-26T14:13:30 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=R13 |
| 2025-10-28T15:12:02.212 | 2025-10-28T14:13:31 | 2026-01-26T14:13:30 | oitc.ca | *.oitc.ca | C=US, O=Let's Encrypt, CN=R13 |
| 2025-10-20T10:49:54.703 | 2025-10-20T09:51:24 | 2026-01-18T09:51:23 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R12 |
| 2025-10-20T10:49:54.513 | 2025-10-20T09:51:24 | 2026-01-18T09:51:23 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R12 |
| 2025-08-19T21:21:02.817 | 2025-08-19T20:22:32 | 2025-11-17T20:22:31 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-08-19T21:21:02.562 | 2025-08-19T20:22:32 | 2025-11-17T20:22:31 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-06-20T08:51:56.229 | 2025-06-20T07:53:25 | 2025-09-18T07:53:24 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-06-20T08:51:55.871 | 2025-06-20T07:53:25 | 2025-09-18T07:53:24 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-04-25T10:46:34.262 | 2025-01-07T00:00:00 | 2026-02-07T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2025-04-18T04:17:00.761 | 2025-04-18T03:18:30 | 2025-07-17T03:18:29 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-04-18T04:17:00.495 | 2025-04-18T03:18:30 | 2025-07-17T03:18:29 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-02-13T09:51:32.715 | 2025-02-13T08:53:01 | 2025-05-14T08:53:00 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-02-13T09:51:32.15 | 2025-02-13T08:53:01 | 2025-05-14T08:53:00 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2025-01-07T00:38:32.086 | 2025-01-07T00:00:00 | 2026-02-07T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2024-12-08T02:06:21.571 | 2024-12-08T01:07:50 | 2025-03-08T01:07:49 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2024-12-08T02:06:21.148 | 2024-12-08T01:07:50 | 2025-03-08T01:07:49 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R10 |
| 2024-10-07T03:53:36.222 | 2024-10-07T02:55:03 | 2025-01-05T02:55:02 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R11 |
| 2024-10-07T03:53:34.06 | 2024-10-07T02:55:03 | 2025-01-05T02:55:02 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R11 |
| 2024-08-05T16:13:08.249 | 2024-08-05T15:14:37 | 2024-11-03T15:14:36 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R11 |
| 2024-08-05T16:13:07.661 | 2024-08-05T15:14:37 | 2024-11-03T15:14:36 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R11 |
| 2024-06-05T19:00:04.626 | 2024-06-05T18:00:04 | 2024-09-03T18:00:03 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2024-06-05T19:00:04.409 | 2024-06-05T18:00:04 | 2024-09-03T18:00:03 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2024-04-06T09:18:00.631 | 2024-04-06T08:18:00 | 2024-07-05T08:17:59 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2024-04-06T09:18:00.361 | 2024-04-06T08:18:00 | 2024-07-05T08:17:59 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2024-03-16T18:32:40.657 | 2023-12-12T00:00:00 | 2025-01-11T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2024-02-05T16:01:15.395 | 2024-02-05T15:01:14 | 2024-05-05T15:01:13 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2024-02-05T16:01:14.975 | 2024-02-05T15:01:14 | 2024-05-05T15:01:13 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-12-12T01:37:09.484 | 2023-12-12T00:00:00 | 2025-01-11T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2023-12-07T05:54:41.575 | 2023-12-07T04:54:41 | 2024-03-06T04:54:40 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-12-07T05:54:41.474 | 2023-12-07T04:54:41 | 2024-03-06T04:54:40 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-11-08T20:22:43.615 | 2022-11-15T00:00:00 | 2023-12-16T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O="DigiCert, Inc.", CN=RapidSSL Global TLS RSA4096 SHA256 2022 CA1 |
| 2023-09-14T12:56:48.951 | 2023-09-14T11:56:48 | 2023-12-13T11:56:47 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-09-14T12:56:48.843 | 2023-09-14T11:56:48 | 2023-12-13T11:56:47 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-07-04T03:43:08.272 | 2023-07-04T02:43:08 | 2023-10-02T02:43:07 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-07-04T03:43:08.083 | 2023-07-04T02:43:08 | 2023-10-02T02:43:07 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-04-22T06:42:43.915 | 2023-04-22T05:42:43 | 2023-07-21T05:42:42 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-04-22T06:42:43.469 | 2023-04-22T05:42:43 | 2023-07-21T05:42:42 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-02-04T17:59:51.368 | 2023-02-04T16:59:50 | 2023-05-05T16:59:49 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2023-02-04T17:59:51.079 | 2023-02-04T16:59:50 | 2023-05-05T16:59:49 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-11-22T21:32:04.119 | 2022-11-22T20:32:03 | 2023-02-20T20:32:02 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-11-22T21:32:03.496 | 2022-11-22T20:32:03 | 2023-02-20T20:32:02 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-11-15T22:33:10.463 | 2022-11-15T00:00:00 | 2023-12-16T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O="DigiCert, Inc.", CN=RapidSSL Global TLS RSA4096 SHA256 2022 CA1 |
| 2022-09-18T15:31:13.773 | 2022-09-18T14:31:13 | 2022-12-17T14:31:12 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-09-18T15:31:13.429 | 2022-09-18T14:31:13 | 2022-12-17T14:31:12 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-07-09T05:56:11.738 | 2022-07-09T04:56:11 | 2022-10-07T04:56:10 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-07-09T05:56:11.54 | 2022-07-09T04:56:11 | 2022-10-07T04:56:10 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-05-03T14:19:50.54 | 2022-05-03T13:19:49 | 2022-08-01T13:19:48 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2022-05-03T14:19:49.857 | 2022-05-03T13:19:49 | 2022-08-01T13:19:48 | dnsfilter.oitc.ca | dnsfilter.oitc.ca | C=US, O=Let's Encrypt, CN=R3 |
| 2021-11-02T20:44:24.411 | 2021-11-02T00:00:00 | 2022-12-03T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2020-11-05T11:28:35.495 | 2020-11-02T00:00:00 | 2021-11-09T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2020-11-02T20:32:04.2 | 2020-11-02T00:00:00 | 2021-11-09T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1 |
| 2018-09-13T09:39:13.509 | 2018-09-12T00:00:00 | 2020-11-10T12:00:00 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2018-09-12T17:58:08.996 | 2018-09-12T00:00:00 | 2020-11-10T12:00:00 | *.oitc.ca | *.oitc.ca | C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL RSA CA 2018 |
| 2016-11-03T13:04:53.433 | 2016-11-01T00:00:00 | 2018-10-05T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA - G2 |
| 2016-11-01T23:13:28.87 | 2016-11-01T00:00:00 | 2018-10-05T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA - G2 |
| 2016-11-01T21:16:22.606 | 2016-11-01T00:00:00 | 2018-10-05T23:59:59 | *.oitc.ca | *.oitc.ca | C=US, O=GeoTrust Inc., CN=RapidSSL SHA256 CA - G2 |
| 2014-11-12T12:28:18.397 | 2014-10-04T05:22:28 | 2018-10-06T01:17:12 | *.oitc.ca | *.oitc.ca | C=US, O="GeoTrust, Inc.", CN=RapidSSL CA |