Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
saarstahlbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 04:36:18 UTC · ↺ Refresh
MX Hostnames
- mailrelay.dillinger.de
MX Priorities
- mailrelay.dillinger.de: 10
A / AAAA Records
- 62.154.234.162 ↩ mail.saar-dv.de
Mail Server IPs
- 212.184.64.28 ↩ mailrelaya.dillinger.de
SOA Record
Raw SOA
pns.dtag.de dns.telekom.de 2026022600 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2026022600
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pns.dtag.de
ns1.telekom.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:dillinger.biz mx:saar-dv.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; aspf=s; adkim=s; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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- nkUtuQw2HuGEGbNSwIRI1oCBJHusGxX58EEC2fCwJWbEB6/ME4XXM8UiF7WOIaVFzYUqxFpfPdrHA5g1AjsSxA==
- SPFv=spf1 mx include:dillinger.biz mx:saar-dv.de -all
- MS=ms89526685
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