Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mostron.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 09:18:01 UTC · ↺ Refresh
MX Hostnames
- mx.mostron.de
MX Priorities
- mx.mostron.de: 10
A / AAAA Records
- 91.233.84.160 ↩ www.mostron.de
Mail Server IPs
- 156.67.179.190 ↩ mx.mostron.de
SOA Record
Raw SOA
ns1.prodns.de dnsmaster.prodns.de 2026021403 14400 3600 2419200 300
Primary NS (mname)
ns1.prodns.de
Admin Email (rname)
dnsmaster@prodns.de
Serial
2026021403
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3.prodns.de
ns1.prodns.de
ns2.prodns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:91.233.84.0/22 -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=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 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=15E277A9DA53360C9C33E526DFDD83E6E71E4612
- SPFv=spf1 a mx ip4:91.233.84.0/22 -all
Full email verification for mostron.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits