| Date | IP Address |
| 2021-02-25 | 222.122.213.205 (ClassC) |
| 2026-02-15 | 222.122.213.182 (ClassC) |
| Date | Domain | IP |
| mx10.case.re.kr | 2025-10-26 | 222.122.213.182 |
| mx20.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mx0.case.re.kr | 2025-10-26 | 222.122.213.182 |
| smtp01.case.re.kr | 2025-10-27 | 222.122.213.182 |
| smtp1.case.re.kr | 2025-10-27 | 222.122.213.182 |
| ms1.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mx1.case.re.kr | 2026-02-15 | 222.122.213.182 |
| relay1.case.re.kr | 2025-10-26 | 222.122.213.182 |
| mail02.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mail12.case.re.kr | 2025-10-27 | 222.122.213.182 |
| imap2.case.re.kr | 2025-10-27 | 222.122.213.182 |
| smtp2.case.re.kr | 2025-10-27 | 222.122.213.182 |
| server2.case.re.kr | 2025-10-26 | 222.122.213.182 |
| mail3.case.re.kr | 2025-10-27 | 222.122.213.182 |
| pop3.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mx3.case.re.kr | 2025-10-26 | 222.122.213.182 |
| mail4.case.re.kr | 2026-02-15 | 222.122.213.182 |
| mail5.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mx5.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mail6.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mail8.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mail9.case.re.kr | 2025-10-27 | 222.122.213.182 |
| barracuda.case.re.kr | 2025-10-27 | 222.122.213.182 |
| posta.case.re.kr | 2025-10-27 | 222.122.213.182 |
| home.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mail.comune.case.re.kr | 2025-10-27 | 222.122.213.182 |
| gate.case.re.kr | 2025-10-27 | 222.122.213.182 |
| remote.case.re.kr | 2025-10-27 | 222.122.213.182 |
| auth.case.re.kr | 2025-10-27 | 222.122.213.182 |
| smtpauth.case.re.kr | 2025-10-27 | 222.122.213.182 |
| email.case.re.kr | 2025-10-27 | 222.122.213.182 |
| m.case.re.kr | 2025-10-26 | 222.122.213.182 |
| antispam.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mailin.case.re.kr | 2025-10-27 | 222.122.213.182 |
| imap.case.re.kr | 2026-02-15 | 222.122.213.182 |
| pop.case.re.kr | 2025-10-27 | 222.122.213.182 |
| ftp.case.re.kr | 2025-10-27 | 222.122.213.182 |
| smtp.case.re.kr | 2025-10-27 | 222.122.213.182 |
| authsmtp.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mailer.case.re.kr | 2025-10-27 | 222.122.213.182 |
| postmaster.case.re.kr | 2025-10-27 | 222.122.213.182 |
| server.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mailserver.case.re.kr | 2025-10-26 | 222.122.213.182 |
| hermes.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mailhost.case.re.kr | 2025-10-27 | 222.122.213.182 |
| post.case.re.kr | 2025-10-26 | 222.122.213.182 |
| out.case.re.kr | 2025-10-27 | 222.122.213.182 |
| srv.case.re.kr | 2025-10-27 | 222.122.213.182 |
| a.mx.case.re.kr | 2025-10-27 | 222.122.213.182 |
| box.case.re.kr | 2025-10-27 | 222.122.213.182 |
| mbox.case.re.kr | 2025-10-27 | 222.122.213.182 |
| gateway.case.re.kr | 2025-10-27 | 222.122.213.182 |