Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bios-software.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 17:32:32 UTC · ↺ Refresh
MX Hostnames
- mail.ibs-aachen.de
MX Priorities
- mail.ibs-aachen.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 213.168.93.7 ↩ mail.ibs-aachen.de
SOA Record
Raw SOA
dns1.epag.net ophuels.ibs-aachen.de 1690796418 43200 4320 2419200 300
Primary NS (mname)
dns1.epag.net
Admin Email (rname)
ophuels@ibs-aachen.de
Serial
1690796418
Refresh
43200s
Retry
4320s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
dns1.epag.net
dns2.epag.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:213.168.93.0/28 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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 mx ip4:213.168.93.0/28 -all
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