Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
steeltrans.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:17:20 UTC · ↺ Refresh
MX Hostnames
- mx1.steeltrans.de
MX Priorities
- mx1.steeltrans.de: 10
A / AAAA Records
- 45.87.158.7 ↩ url-redirector.inwx.net
Mail Server IPs
- 152.53.183.234 ↩ mx1.steeltrans.de
- 2a0a:4cc0:c0:ec2a::1 ↩ mx1.steeltrans.de
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2025113002 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2025113002
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.inwx.eu
ns.inwx.de
ns2.inwx.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail.steeltrans.online a:smtp.steeltrans.de a:mail.steeltrans.de a:mx1.steeltrans.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 a:mail.steeltrans.online a:smtp.steeltrans.de a:mail.steeltrans.de a:mx1.steeltrans.de -all
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