| Date | IP Address |
| 2021-01-15 | 83.222.227.36 (ClassC) |
| 2026-02-19 | 52.56.199.21 (ClassC) |
| Date | Domain | IP |
| mail10.sew.london | 2025-08-13 | 52.56.199.21 |
| mx10.sew.london | 2025-06-21 | 52.56.199.21 |
| mx20.sew.london | 2025-08-17 | 52.56.199.21 |
| mx0.sew.london | 2025-07-20 | 52.56.199.21 |
| mail01.sew.london | 2026-01-27 | 52.56.199.21 |
| smtp01.sew.london | 2025-12-06 | 52.56.199.21 |
| mail11.sew.london | 2025-09-10 | 52.56.199.21 |
| mail1.sew.london | 2025-09-12 | 52.56.199.21 |
| imap1.sew.london | 2026-02-19 | 52.56.199.21 |
| smtp1.sew.london | 2025-08-03 | 52.56.199.21 |
| server1.sew.london | 2025-08-07 | 52.56.199.21 |
| ms1.sew.london | 2025-06-17 | 52.56.199.21 |
| relay1.sew.london | 2025-10-14 | 52.56.199.21 |
| mail02.sew.london | 2025-12-25 | 52.56.199.21 |
| mx02.sew.london | 2025-08-16 | 52.56.199.21 |
| mail12.sew.london | 2025-08-22 | 52.56.199.21 |
| imap2.sew.london | 2026-01-01 | 52.56.199.21 |
| smtp2.sew.london | 2025-09-14 | 52.56.199.21 |
| server2.sew.london | 2025-08-29 | 52.56.199.21 |
| mx2.sew.london | 2025-11-11 | 52.56.199.21 |
| relay2.sew.london | 2025-07-31 | 52.56.199.21 |
| mail4.sew.london | 2026-02-19 | 52.56.199.21 |
| mx4.sew.london | 2025-11-18 | 52.56.199.21 |
| mail5.sew.london | 2025-09-13 | 52.56.199.21 |
| mx5.sew.london | 2025-08-12 | 52.56.199.21 |
| mail6.sew.london | 2026-02-06 | 52.56.199.21 |
| mail7.sew.london | 2025-09-13 | 52.56.199.21 |
| mx7.sew.london | 2025-09-10 | 52.56.199.21 |
| mail8.sew.london | 2025-08-15 | 52.56.199.21 |
| barracuda.sew.london | 2025-09-13 | 52.56.199.21 |
| zimbra.sew.london | 2025-07-29 | 52.56.199.21 |
| mta.sew.london | 2025-09-01 | 52.56.199.21 |
| posta.sew.london | 2025-08-19 | 52.56.199.21 |
| poczta.sew.london | 2025-08-17 | 52.56.199.21 |
| exchange.sew.london | 2026-01-05 | 52.56.199.21 |
| comune.sew.london | 2025-07-17 | 52.56.199.21 |
| mail.comune.sew.london | 2026-02-19 | 52.56.199.21 |
| gate.sew.london | 2025-06-21 | 52.56.199.21 |
| mailgate.sew.london | 2026-01-04 | 52.56.199.21 |
| remote.sew.london | 2025-09-10 | 52.56.199.21 |
| auth.sew.london | 2026-02-02 | 52.56.199.21 |
| smtpauth.sew.london | 2025-07-18 | 52.56.199.21 |
| email.sew.london | 2025-08-07 | 52.56.199.21 |
| outmail.sew.london | 2025-09-02 | 52.56.199.21 |
| newmail.sew.london | 2025-10-23 | 52.56.199.21 |
| zmail.sew.london | 2026-02-19 | 52.56.199.21 |
| spam.sew.london | 2025-09-11 | 52.56.199.21 |
| antispam.sew.london | 2025-09-10 | 52.56.199.21 |
| mailin.sew.london | 2025-09-13 | 52.56.199.21 |
| correo.sew.london | 2025-09-14 | 52.56.199.21 |
| po.sew.london | 2025-09-03 | 52.56.199.21 |
| imap.sew.london | 2025-07-30 | 52.56.199.21 |
| pop.sew.london | 2025-07-15 | 52.56.199.21 |
| smtp.sew.london | 2025-08-05 | 52.56.199.21 |
| authsmtp.sew.london | 2025-06-17 | 52.56.199.21 |
| mailer.sew.london | 2025-07-18 | 52.56.199.21 |
| postmaster.sew.london | 2026-02-19 | 52.56.199.21 |
| server.sew.london | 2025-08-11 | 52.56.199.21 |
| mailserver.sew.london | 2025-09-13 | 52.56.199.21 |
| hermes.sew.london | 2025-09-08 | 52.56.199.21 |
| ms.sew.london | 2025-09-12 | 52.56.199.21 |
| smtps.sew.london | 2025-08-20 | 52.56.199.21 |
| mxs.sew.london | 2025-09-02 | 52.56.199.21 |
| root.sew.london | 2025-09-02 | 52.56.199.21 |
| host.sew.london | 2025-08-14 | 52.56.199.21 |
| mailhost.sew.london | 2025-07-26 | 52.56.199.21 |
| post.sew.london | 2025-09-08 | 52.56.199.21 |
| out.sew.london | 2025-06-22 | 52.56.199.21 |
| mailout.sew.london | 2025-06-18 | 52.56.199.21 |
| srv.sew.london | 2025-08-06 | 52.56.199.21 |
| mailsrv.sew.london | 2026-01-02 | 52.56.199.21 |
| gw.sew.london | 2025-08-24 | 52.56.199.21 |
| mailgw.sew.london | 2025-07-13 | 52.56.199.21 |
| www.sew.london | 2025-08-18 | 52.56.199.21 |
| mailx.sew.london | 2025-10-13 | 52.56.199.21 |
| mx.sew.london | 2025-07-22 | 52.56.199.21 |
| a.mx.sew.london | 2025-09-08 | 52.56.199.21 |
| box.sew.london | 2025-11-03 | 52.56.199.21 |
| mailbox.sew.london | 2025-12-25 | 52.56.199.21 |
| mbox.sew.london | 2025-12-30 | 52.56.199.21 |
| relay.sew.london | 2025-09-09 | 52.56.199.21 |
| mailrelay.sew.london | 2025-09-12 | 52.56.199.21 |
| gateway.sew.london | 2026-02-19 | 52.56.199.21 |