| Date | IP Address |
| 2021-01-26 | 104.21.35.248 (ClassC) |
| 2021-01-26 | 172.67.181.194 (ClassC) |
| 2026-01-31 | 94.136.40.51 (ClassC) |
| Date | Domain | IP |
| mail10.ctkcps.org.uk | 2025-09-09 | 94.136.40.51 |
| mx10.ctkcps.org.uk | 2025-06-02 | 94.136.40.51 |
| mail01.ctkcps.org.uk | 2025-08-22 | 94.136.40.51 |
| imap1.ctkcps.org.uk | 2025-09-09 | 94.136.40.51 |
| www1.ctkcps.org.uk | 2025-08-22 | 94.136.40.51 |
| mx02.ctkcps.org.uk | 2025-11-26 | 94.136.40.51 |
| mail12.ctkcps.org.uk | 2025-09-09 | 94.136.40.51 |
| mail5.ctkcps.org.uk | 2025-11-26 | 94.136.40.51 |
| mx5.ctkcps.org.uk | 2025-09-09 | 94.136.40.51 |
| mail9.ctkcps.org.uk | 2025-09-09 | 94.136.40.51 |
| mta.ctkcps.org.uk | 2025-08-09 | 94.136.40.51 |
| posta.ctkcps.org.uk | 2025-08-11 | 94.136.40.51 |
| exchange.ctkcps.org.uk | 2025-10-30 | 94.136.40.51 |
| comune.ctkcps.org.uk | 2025-04-29 | 94.136.40.51 |
| mail.comune.ctkcps.org.uk | 2026-01-10 | 94.136.40.51 |
| remote.ctkcps.org.uk | 2025-05-06 | 94.136.40.51 |
| mail.ctkcps.org.uk | 2025-09-13 | 94.136.40.51 |
| smtp.mail.ctkcps.org.uk | 2025-08-09 | 94.136.40.51 |
| antispam.ctkcps.org.uk | 2026-01-31 | 94.136.40.51 |
| smtp.ctkcps.org.uk | 2025-06-05 | 94.136.40.51 |
| sniper.ctkcps.org.uk | 2025-06-02 | 94.136.40.51 |
| postmaster.ctkcps.org.uk | 2025-06-03 | 94.136.40.51 |
| mailhost.ctkcps.org.uk | 2025-09-10 | 94.136.40.51 |
| post.ctkcps.org.uk | 2025-06-07 | 94.136.40.51 |
| mailgw.ctkcps.org.uk | 2025-11-25 | 94.136.40.51 |
| mx.ctkcps.org.uk | 2025-11-26 | 94.136.40.51 |
| mbox.ctkcps.org.uk | 2025-11-25 | 94.136.40.51 |
| relay.ctkcps.org.uk | 2025-11-18 | 94.136.40.51 |
| mailrelay.ctkcps.org.uk | 2025-08-14 | 94.136.40.51 |
| gateway.ctkcps.org.uk | 2025-08-30 | 94.136.40.51 |