Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
muehlenschulte.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 04:41:47 UTC · ↺ Refresh
MX Hostnames
- mx.runbox.com
MX Priorities
- mx.runbox.com: 50
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 185.226.149.25 ↩ aibo.runbox.com
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2023110800 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023110800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns81.domaincontrol.com
ns82.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=spf.runbox.com
📊 DNS lookups: 1/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 redirect=spf.runbox.com
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