Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
seydelmann.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 04:17:27 UTC · ↺ Refresh
MX Hostnames
- mx01.ase.ws
- mx03.ase.ws
- mx04.ase.ws
- mx02.ase.ws
MX Priorities
- mx03.ase.ws: 10
- mx04.ase.ws: 10
- mx01.ase.ws: 10
- mx02.ase.ws: 10
A / AAAA Records
- 159.69.61.58 ↩ box04.bluebox-world.net
- 2a01:4f8:231:c86::2 ↩ box04.bluebox-world.net
Mail Server IPs
- 195.4.161.244 ↩ mx03.ase.ws
- 212.83.43.57 ↩ mx04.ase.ws
- 89.163.205.151 ↩ mx01.ase.ws
- 89.163.205.152 ↩ mx02.ase.ws
SOA Record
Raw SOA
ns3.powerdns.de technik.udmedia.de 2026032402 10800 3600 1209600 3600
Primary NS (mname)
ns3.powerdns.de
Admin Email (rname)
technik@udmedia.de
Serial
2026032402
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns4.powerdns.de
ns3.powerdns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:k39627.coveto.de include:_spf.udmedia.net include:spf.coveto.de include:spf.hdone.com include:spf.codepiraten.com include:spf.ase.ws -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=TkQ6h2zqQwzRRQgD7MRHO0n_lN1qnwB8JDPbhn4YyCE
- linkedin-site-verification=ce370ee1-3de1-488b-b5a9-ea5ef95e49f3
- SPFv=spf1 a mx a:k39627.coveto.de include:_spf.udmedia.net include:spf.coveto.de include:spf.hdone.com include:spf.codepiraten.com include:spf.ase.ws -all
Full email verification for seydelmann.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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