Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
koe48.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 10:17:46 UTC · ↺ Refresh
MX Hostnames
- mailprotect.skydoo.com
MX Priorities
- mailprotect.skydoo.com: 10
A / AAAA Records
- 94.102.212.231 ↩ mail.tadic.me
Mail Server IPs
- 188.40.224.153 ↩ mailprotect.skydoo.com
SOA Record
Raw SOA
ns1.antagus.de root.ns1.antagus.de 1720030659 10800 3600 604800 3600
Primary NS (mname)
ns1.antagus.de
Admin Email (rname)
root@ns1.antagus.de
Serial
1720030659
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.antagus.de
ns2.antagus.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.vautron.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
selector1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:spf.vautron.de -all
Full email verification for koe48.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits