Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
z-m-s.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 05:52:19 UTC · ↺ Refresh
MX Hostnames
- mail2.z-m-s.de
- mail.z-m-s.de
MX Priorities
- mail2.z-m-s.de: 50
- mail.z-m-s.de: 10
A / AAAA Records
- 159.69.0.106 ↩ osis-plesk.sad-online.de
Mail Server IPs
- 91.106.126.19 ↩ mail2.z-m-s.de
- 217.7.7.37 ↩ mail.z-m-s.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2025102300 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2025102300
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:88.99.189.84 ip4:78.47.164.88 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=3221D713DCC8B4136F5967F64DE417167D1A2D23
- SPFv=spf1 a mx ip4:88.99.189.84 ip4:78.47.164.88 -all
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