Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zimmermann-medien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:17:19 UTC · ↺ Refresh
MX Hostnames
- mail.zimmermann-medien.de
MX Priorities
- mail.zimmermann-medien.de: 10
A / AAAA Records
- 37.120.176.185 ↩ cloud.zimmermann-medien.de
Mail Server IPs
- 37.120.176.185 ↩ cloud.zimmermann-medien.de
- 2a03:4000:6:8020:3473:6dff:fec1:f53a ↩ mail.zimmermann-medien.de
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2025121806 28800 7200 1209600 8640
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025121806
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
8640s
Nameservers (NS)
third-dns.netcup.net
root-dns.netcup.net
second-dns.netcup.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mailjet.com a mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1 p=none fo=0 adkim=r aspf=s sp=none rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- brevo-code:baf34375eb360e2e7e923074293b41ef
- SPFv=spf1 include:spf.mailjet.com a mx ~all
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