Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
malerfirma-potsdam.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 22:30:08 UTC · ↺ Refresh
MX Hostnames
- mail.malerfirma-potsdam.de
MX Priorities
- mail.malerfirma-potsdam.de: 10
A / AAAA Records
- 178.254.23.224 ↩ v77387.1blu.de
Mail Server IPs
- 178.254.23.224 ↩ v77387.1blu.de
SOA Record
Raw SOA
ns01.1blu.de hostmaster.1blu.de 2022102401 43200 5400 604800 86400
Primary NS (mname)
ns01.1blu.de
Admin Email (rname)
hostmaster@1blu.de
Serial
2022102401
Refresh
43200s
Retry
5400s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns02.1blu.de
ns01.1blu.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:v77387.1blu.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- google-site-verification=UAGuyGKnIC5CMBVnTi7Txe3FtHSHOkeI0cIi0CSGrGc
- SPFv=spf1 +a +mx +a:v77387.1blu.de -all
- google-site-verification=aoJuEmOdS6ywo5QpalrxUIqX0Ec1hTmCq7ysGDTB0Rg
- google-site-verification=AV55qtDR9lg1MrYqOkoutykcB8VHM7QZR4_WPJVc8SU
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