Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mbb-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 01:55:45 UTC · ↺ Refresh
MX Hostnames
- biedenkopf.mbb-gmbh.de
- biedenkopf2.mbb-gmbh.de
MX Priorities
- biedenkopf2.mbb-gmbh.de: 50
- biedenkopf.mbb-gmbh.de: 0
A / AAAA Records
- 87.230.87.150 ↩ ns.nidhoegger.eu
Mail Server IPs
- 87.139.43.10 ↩ biedenkopf2.mbb-gmbh.de
- 87.139.90.1 ↩ biedenkopf.mbb-gmbh.de
SOA Record
Raw SOA
ns.nidhoegger.eu st\.becker.mbb-gmbh.de 2026012602 300 300 1800 900
Primary NS (mname)
ns.nidhoegger.eu
Admin Email (rname)
st\@becker.mbb-gmbh.de
Serial
2026012602
Refresh
300s
Retry
300s
Expire
1800s
Minimum TTL
900s
Nameservers (NS)
pdns02.domaincontrol.com
ns.nidhoegger.eu
SPF Record
✓ Strict (-all)
v=spf1 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
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
3 records- google-site-verification=Ubn1tIanr8J-XT5my9U8yD5RbmlCMLib5GoAornd4Ac
- SPFv=spf1 mx -all
- apple-domain-verification=eKwemQ0lahu5WgfK
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