Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swcolor.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 07:07:22 UTC · ↺ Refresh
MX Hostnames
- exchange.swcolor.de
MX Priorities
- exchange.swcolor.de: 10
A / AAAA Records
- 91.233.84.81 ↩ www.feuerpfeil.de
Mail Server IPs
- 87.128.20.177 ↩ exchange.swcolor.de
SOA Record
Raw SOA
ns1.prodns.de dnsmaster.prodns.de 2025120402 14400 3600 2419200 300
Primary NS (mname)
ns1.prodns.de
Admin Email (rname)
dnsmaster@prodns.de
Serial
2025120402
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2.prodns.de
ns1.prodns.de
ns3.prodns.de
SPF Record
✓ Strict (-all)
v=spf1 IP4:87.128.20.177 IP4:80.152.138.251 include:spf.protection.outlook.com include:_spf.prossl.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 IP4:87.128.20.177 IP4:80.152.138.251 include:spf.protection.outlook.com include:_spf.prossl.de -all
- amazon-business-verification=857812f39f5408bab2167d8ff13158b5f21b1cc0d160281034f377cc6beb40e5
- MS=ms22074092
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