Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
skill-builder.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:01:14 UTC · ↺ Refresh
MX Hostnames
- mail.skill-builder.de
MX Priorities
- mail.skill-builder.de: 10
A / AAAA Records
- 91.250.99.110 ↩ building-automation-team.com
Mail Server IPs
- 91.250.99.110 ↩ building-automation-team.com
SOA Record
Raw SOA
pdns02.domaincontrol.com root.lvps91-250-99-110.dedicated.hosteurope.de 2025052703 10800 3600 604800 10800
Primary NS (mname)
pdns02.domaincontrol.com
Admin Email (rname)
root@lvps91-250-99-110.dedicated.hosteurope.de
Serial
2025052703
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
lvps91-250-99-110.dedicated.hosteurope.de
pdns02.domaincontrol.com
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: 392 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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