Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drboor.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 18:37:14 UTC · ↺ Refresh
MX Hostnames
- mail.drboor.de
MX Priorities
- mail.drboor.de: 10
A / AAAA Records
- 144.76.36.82 ↩ server.schrader-loos.de
Mail Server IPs
- 144.76.36.82 ↩ server.schrader-loos.de
SOA Record
Raw SOA
nsa0.schlundtech.de info.schrader-loos.de 2025010904 43200 7200 1209600 86400
Primary NS (mname)
nsa0.schlundtech.de
Admin Email (rname)
info@schrader-loos.de
Serial
2025010904
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa0.schlundtech.de
nsd0.schlundtech.de
nsb0.schlundtech.de
nsc0.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
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