| Date | IP Address |
| 2025-08-13 | 46.31.19.50 (ClassC) |
| Date | Domain | IP |
| mail01.costpartner.com | 2025-01-04 | 46.31.19.50 |
| smtp01.costpartner.com | 2025-06-17 | 46.31.19.50 |
| mx01.costpartner.com | 2025-06-14 | 46.31.19.50 |
| smtp1.costpartner.com | 2025-01-19 | 46.31.19.50 |
| server1.costpartner.com | 2025-01-19 | 46.31.19.50 |
| ns1.costpartner.com | 2025-01-04 | 46.31.19.50 |
| relay1.costpartner.com | 2025-01-04 | 46.31.19.50 |
| mail02.costpartner.com | 2025-01-04 | 46.31.19.50 |
| mx02.costpartner.com | 2025-06-12 | 46.31.19.50 |
| mail12.costpartner.com | 2025-01-04 | 46.31.19.50 |
| smtp2.costpartner.com | 2025-01-19 | 46.31.19.50 |
| server2.costpartner.com | 2025-01-04 | 46.31.19.50 |
| mx2.costpartner.com | 2025-01-04 | 46.31.19.50 |
| relay2.costpartner.com | 2025-01-04 | 46.31.19.50 |
| pop3.costpartner.com | 2025-01-25 | 46.31.19.50 |
| mx3.costpartner.com | 2025-08-12 | 46.31.19.50 |
| mx4.costpartner.com | 2025-06-13 | 46.31.19.50 |
| mail5.costpartner.com | 2025-08-02 | 46.31.19.50 |
| mail7.costpartner.com | 2025-01-04 | 46.31.19.50 |
| mx7.costpartner.com | 2025-06-11 | 46.31.19.50 |
| zimbra.costpartner.com | 2025-01-19 | 46.31.19.50 |
| owa.costpartner.com | 2025-01-04 | 46.31.19.50 |
| send.costpartner.com | 2025-07-10 | 46.31.19.50 |
| ipe.costpartner.com | 2025-07-04 | 46.31.19.50 |
| gate.costpartner.com | 2024-09-10 | 46.31.19.50 |
| remote.costpartner.com | 2025-04-28 | 46.31.19.50 |
| smtpauth.costpartner.com | 2025-01-19 | 46.31.19.50 |
| outmail.costpartner.com | 2025-06-17 | 46.31.19.50 |
| vmail.costpartner.com | 2025-05-26 | 46.31.19.50 |
| newmail.costpartner.com | 2025-01-19 | 46.31.19.50 |
| m.costpartner.com | 2025-01-04 | 46.31.19.50 |
| com.costpartner.com | 2024-09-09 | 46.31.19.50 |
| mailin.costpartner.com | 2024-12-23 | 46.31.19.50 |
| correo.costpartner.com | 2025-07-12 | 46.31.19.50 |
| po.costpartner.com | 2025-01-19 | 46.31.19.50 |
| imap.costpartner.com | 2025-05-25 | 46.31.19.50 |
| vip.costpartner.com | 2025-06-02 | 46.31.19.50 |
| pop.costpartner.com | 2025-01-19 | 46.31.19.50 |
| smtp.costpartner.com | 2025-05-24 | 46.31.19.50 |
| authsmtp.costpartner.com | 2025-08-13 | 46.31.19.50 |
| tiger.costpartner.com | 2025-01-04 | 46.31.19.50 |
| mailer.costpartner.com | 2025-01-04 | 46.31.19.50 |
| sniper.costpartner.com | 2024-12-24 | 46.31.19.50 |
| postmaster.costpartner.com | 2025-07-13 | 46.31.19.50 |
| server.costpartner.com | 2025-06-19 | 46.31.19.50 |
| mailserver.costpartner.com | 2025-07-18 | 46.31.19.50 |
| thor.costpartner.com | 2025-06-13 | 46.31.19.50 |
| mails.costpartner.com | 2025-01-04 | 46.31.19.50 |
| dns.costpartner.com | 2025-07-22 | 46.31.19.50 |
| smtps.costpartner.com | 2025-06-14 | 46.31.19.50 |
| internet.costpartner.com | 2025-01-04 | 46.31.19.50 |
| vnet.costpartner.com | 2025-05-23 | 46.31.19.50 |
| art.costpartner.com | 2025-05-28 | 46.31.19.50 |
| mailhost.costpartner.com | 2025-08-10 | 46.31.19.50 |
| out.costpartner.com | 2025-01-04 | 46.31.19.50 |
| dev.costpartner.com | 2025-07-10 | 46.31.19.50 |
| mailsrv.costpartner.com | 2025-01-04 | 46.31.19.50 |
| tw.costpartner.com | 2025-06-20 | 46.31.19.50 |
| www.costpartner.com | 2025-05-25 | 46.31.19.50 |
| mailx.costpartner.com | 2025-06-09 | 46.31.19.50 |
| box.costpartner.com | 2025-06-29 | 46.31.19.50 |
| mailbox.costpartner.com | 2025-01-04 | 46.31.19.50 |
| mailrelay.costpartner.com | 2025-08-02 | 46.31.19.50 |