Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarzt-paderborn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 18:34:46 UTC · ↺ Refresh
MX Hostnames
- mail.zahnarzt-paderborn.de
MX Priorities
- mail.zahnarzt-paderborn.de: 30
A / AAAA Records
- 5.28.41.137 ↩ zahnarzt-paderborn.de
Mail Server IPs
- 5.28.41.137 ↩ zahnarzt-paderborn.de
SOA Record
Raw SOA
ns1.vtnx.net hostmaster.virtion.de 2024013108 16384 2048 1048576 3600
Primary NS (mname)
ns1.vtnx.net
Admin Email (rname)
hostmaster@virtion.de
Serial
2024013108
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
3600s
Nameservers (NS)
ns1.vtnx.net
ns2.vtnx.net
ns3.vtnxns.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:5.28.40.0/21 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:5.28.40.0/21 mx -all
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