Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buender.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 03:01:01 UTC · ↺ Refresh
MX Hostnames
- mail.buender.de
MX Priorities
- mail.buender.de: 10
A / AAAA Records
- 193.53.247.109 ↩ r32644.agenturserver.it
Mail Server IPs
- 80.154.75.156 ↩ mail.buender.de
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1760620978 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1760620978
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.co
ns01.agenturserver.de
ns01.agenturserver.it
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:80.154.75.156 include:agenturserver.de include:spf.nl2go.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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:9a74d43251aa3abf5e696b4939adc4f3
- SPFv=spf1 mx ip4:80.154.75.156 include:agenturserver.de include:spf.nl2go.com -all
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