Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
charlotte-bau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 08:24:21 UTC · ↺ Refresh
MX Hostnames
- mailgw4.aareon.com
- mailgw3.aareon.com
MX Priorities
- mailgw4.aareon.com: 20
- mailgw3.aareon.com: 10
A / AAAA Records
- 85.236.50.38 ↩ server.charlotte1907.de
Mail Server IPs
- 80.250.128.28 ↩ mailgw4.aareon.com
- 2a00:ecc0::abba:400:1 ↩ mailgw4.aareon.com
- 80.250.128.27 ↩ mailgw3.aareon.com
- 2a00:ecc0::abba:300:1 ↩ mailgw3.aareon.com
SOA Record
Raw SOA
a.ns14.net do-not-reply.charlotte-bau.de 2025012311 43200 7200 1209600 300
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@charlotte-bau.de
Serial
2025012311
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
d.ns14.net
a.ns14.net
b.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
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
2 records- SPFv=spf1 a mx include:spf.protection.outlook.com -all
- MS=ms37458278
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