Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-mcmueller.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 09:05:37 UTC · ↺ Refresh
MX Hostnames
- mxext1.mailbox.org
- mxext2.mailbox.org
MX Priorities
- mxext2.mailbox.org: 20
- mxext1.mailbox.org: 10
A / AAAA Records
- 185.199.108.153 ↩ cdn-185-199-108-153.github.com
Mail Server IPs
- 80.241.60.215 ↩ mx2.mailbox.org
- 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
SOA Record
Raw SOA
a.ns14.net do-not-reply.dr-mcmueller.de 2023072506 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@dr-mcmueller.de
Serial
2023072506
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
c.ns14.net
b.ns14.net
d.ns14.net
a.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailbox.org
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:mailbox.org
Full email verification for dr-mcmueller.de
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