Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
master-service.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 18:24:11 UTC · ↺ Refresh
MX Hostnames
- mail.master-service.de
- business-178-013-069-218.static.arcor-ip.net
MX Priorities
- mail.master-service.de: 20
- business-178-013-069-218.static.arcor-ip.net: 10
A / AAAA Records
- 62.138.184.71 ↩ gaia.geneos.de
Mail Server IPs
- 178.13.69.218 ↩ mail.master-service.de
SOA Record
Raw SOA
alas.geneos.de hostmaster.geneos.de 2026010801 10800 3600 604800 21600
Primary NS (mname)
alas.geneos.de
Admin Email (rname)
hostmaster@geneos.de
Serial
2026010801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
21600s
Nameservers (NS)
alas.geneos.de
ns1.geneos.de
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
✗ 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
2 records- MS=ms77600765
- SPFv=spf1 a mx -all
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