Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-mustang.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 14:50:47 UTC · ↺ Refresh
MX Hostnames
- mail.dr-mustang.com
MX Priorities
- mail.dr-mustang.com: 10
A / AAAA Records
- 62.138.14.164 ↩ mail.dr-mustang.com
Mail Server IPs
- 62.138.14.164 ↩ mail.dr-mustang.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2023040513 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2023040513
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.de
ns.udag.org
SPF Record
✓ Strict (-all)
v=spf1 a mx -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: 216 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 -all
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