Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
herzinfarktforschung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 19:10:21 UTC · ↺ Refresh
MX Hostnames
- mx.ihf.de
MX Priorities
- mx.ihf.de: 10
A / AAAA Records
- 213.183.93.177 ↩ 177.93.183.213.in-addr.pfalzkom.net
Mail Server IPs
- 213.183.93.161 ↩ mx.ihf.de
SOA Record
Raw SOA
dns.ihf.de dnsroot.ihf.de 2008010274 86400 14400 604800 43200
Primary NS (mname)
dns.ihf.de
Admin Email (rname)
dnsroot@ihf.de
Serial
2008010274
Refresh
86400s
Retry
14400s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
dns2.ihf.de
dns.ihf.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:213.183.93.163 ip4:213.183.93.161 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:213.183.93.163 ip4:213.183.93.161 -all
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