Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onlineheinrich.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 02:53:19 UTC · ↺ Refresh
MX Hostnames
- mail.heitec.xyz
MX Priorities
- mail.heitec.xyz: 20
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 185.194.141.44 ↩ mail.heitec.xyz
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026030301 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026030301
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
hydrogen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.194.141.44/32 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto
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
2 records- SPFv=spf1 ip4:185.194.141.44/32 a mx -all
- google-site-verification=v9lkDJql6jQsbKYdBd0QvcyBcCFmhDJl-J6WCbbVXMg
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