Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
koelner-malerteam.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 10:48:38 UTC · ↺ Refresh
MX Hostnames
- mail.humso.de
MX Priorities
- mail.humso.de: 10
A / AAAA Records
- 217.144.135.26 (no PTR)
- 2a02:a00:2000:18:: (no PTR)
Mail Server IPs
- 217.144.135.18 ↩ mail.humso.de
- 2a02:a00:2000:17:: ↩ mail.humso.de
SOA Record
Raw SOA
ns.portunity.de hostmaster.portunity.de 1710232973 10800 3600 3600000 360
Primary NS (mname)
ns.portunity.de
Admin Email (rname)
hostmaster@portunity.de
Serial
1710232973
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
360s
Nameservers (NS)
ns.portunity.de
ns2.portunity.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
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
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
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