| Date | IP Address |
| 2021-01-08 | 54.229.1.79 (ClassC) |
| 2025-09-19 | 54.217.125.167 (ClassC) |
| Date | Domain | IP |
| image.e.merz.com | 2025-02-05 | 23.192.230.148 |
| click.e.merz.com | 2025-07-01 | 13.111.228.122 |
| mx10.mailing.merz.com | 2025-06-29 | 52.215.237.62 |
| mx0.mailing.merz.com | 2025-09-11 | 34.255.145.41 |
| mx01.mailing.merz.com | 2025-09-19 | 54.217.125.167 |
| mail11.mailing.merz.com | 2025-07-02 | 34.243.156.221 |
| mx02.mailing.merz.com | 2025-06-27 | 34.243.156.221 |
| mail12.mailing.merz.com | 2025-06-30 | 34.243.156.221 |
| ns2.mailing.merz.com | 2025-06-27 | 52.211.245.148 |
| mail4.mailing.merz.com | 2025-07-16 | 3.248.135.175 |
| mx5.mailing.merz.com | 2025-06-25 | 52.16.228.207 |
| comune.mailing.merz.com | 2025-06-26 | 52.16.228.207 |
| mail.comune.mailing.merz.com | 2025-06-27 | 52.215.237.62 |
| vmail.mailing.merz.com | 2025-08-14 | 176.34.237.107 |
| mailin.mailing.merz.com | 2025-09-11 | 52.16.142.150 |
| imap.mailing.merz.com | 2025-06-25 | 52.19.225.209 |
| authsmtp.mailing.merz.com | 2025-06-26 | 34.246.80.132 |
| ns.mailing.merz.com | 2025-08-02 | 63.35.158.2 |
| post.mailing.merz.com | 2025-06-27 | 52.211.245.148 |
| a.mx.mailing.merz.com | 2025-09-13 | 52.212.170.165 |
| relay.mailing.merz.com | 2025-09-12 | 52.16.142.150 |
| www.merz.com | 2025-09-16 | 195.252.157.90 |