Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
protagon.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 21:15:42 UTC · ↺ Refresh
MX Hostnames
- mx01.oevermann.de
- mx03.oevermann.de
MX Priorities
- mx03.oevermann.de: 20
- mx01.oevermann.de: 10
A / AAAA Records
- 85.214.110.231 ↩ h2720587.stratoserver.net
Mail Server IPs
- 87.79.4.116 ↩ mx03.oevermann.de
- 193.26.15.18 ↩ mx01.oevermann.de
SOA Record
Raw SOA
ns01.ondns.de dns-admin.oevermann.de 2024020603 28800 7200 2419200 3600
Primary NS (mname)
ns01.ondns.de
Admin Email (rname)
dns-admin@oevermann.de
Serial
2024020603
Refresh
28800s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns02.ondns.eu
ns01.ondns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:_spf.on.services include:spf.nl2go.com include:spf.sendinblue.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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
2 records- brevo-code:1791b28beea2cb10407aa4052210d28e
- SPFv=spf1 mx a include:_spf.on.services include:spf.nl2go.com include:spf.sendinblue.com ~all
Full email verification for protagon.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits