Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mvzkaiser.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 18:32:53 UTC · ↺ Refresh
MX Hostnames
- mail.mvzkaiser.de
- mail02.guenauer.de
MX Priorities
- mail02.guenauer.de: 20
- mail.mvzkaiser.de: 10
A / AAAA Records
- 46.225.37.85 ↩ static.85.37.225.46.clients.your-server.de
Mail Server IPs
- 136.243.220.155 ↩ mail02.guenauer.de
- 2a01:4f8:212:1d1d::155 ↩ mail02.guenauer.de
- 136.243.220.154 ↩ mail.mvzkaiser.de
- 2a01:4f8:212:1d1d::154 ↩ mail.mvzkaiser.de
SOA Record
Raw SOA
a.ns14.net hostmaster.guenauer.de 2026011139 43200 7200 1209600 300
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@guenauer.de
Serial
2026011139
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
d.ns14.net
c.ns14.net
a.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 mx a -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- brevo-code:af20661ef4d6dca3196a8086721e2581
- apple-domain-verification=e3yi7aowWm05TXPH
- google-site-verification=UZjLLV3NEM1Uo69ichp3JJz3gRc8PTLmJyEM6rLt7Ao
- SPFv=spf1 mx a -all
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