Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bdk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 14:23:19 UTC · ↺ Refresh
MX Hostnames
- mail.bdk.de
MX Priorities
- mail.bdk.de: 10
A / AAAA Records
- 217.113.45.228 ↩ www.bdk.de
Mail Server IPs
- 217.113.41.29 ↩ mail.bdk.de
SOA Record
Raw SOA
ns.iacd.net hostmaster.iacd.net 2026022601 28800 7200 1814400 3600
Primary NS (mname)
ns.iacd.net
Admin Email (rname)
hostmaster@iacd.net
Serial
2026022601
Refresh
28800s
Retry
7200s
Expire
1814400s
Minimum TTL
3600s
Nameservers (NS)
ns2.iacd.net
ns.iacd.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.113.41.29/32 ip4:217.113.45.228/32 ip4:217.113.43.137 -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]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 736 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 a mx ip4:217.113.41.29/32 ip4:217.113.45.228/32 ip4:217.113.43.137 -all
Full email verification for bdk.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits