Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ls-b.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 18:34:23 UTC · ↺ Refresh
MX Hostnames
- mail.ls-b.de
MX Priorities
- mail.ls-b.de: 10
A / AAAA Records
- 5.175.4.37 ↩ mail.mirumedia.net
Mail Server IPs
- 5.175.4.37 ↩ mail.mirumedia.net
SOA Record
Raw SOA
dns1.mirumedia.net bahro.ls-b.de 2026021501 10800 3600 604800 10800
Primary NS (mname)
dns1.mirumedia.net
Admin Email (rname)
bahro@ls-b.de
Serial
2026021501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
dns1.mirumedia.net
pdns02.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:5.175.4.37 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 ip4:5.175.4.37 -all
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