Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rdecker.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 04:22:50 UTC · ↺ Refresh
MX Hostnames
- mail.rdecker.de
MX Priorities
- mail.rdecker.de: 10
A / AAAA Records
- 85.214.161.204 ↩ h2866466.stratoserver.net
Mail Server IPs
- 79.142.39.18 ↩ clt-79.142.39.18.ip-anschluss.net
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026021900 86400 1800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026021900
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 a a:dedivirt745.your-server.de mx ip4:195.201.5.134 ip4:79.142.39.18 ip4:81.169.178.114 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms29938534
- SPFv=spf1 a a:dedivirt745.your-server.de mx ip4:195.201.5.134 ip4:79.142.39.18 ip4:81.169.178.114 -all
- MS=F180C651CA57BE914D137C8531A89344E1E93093
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