Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
institut-fenestra.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:16:28 UTC · ↺ Refresh
MX Hostnames
- mail.institut-fenestra.de
MX Priorities
- mail.institut-fenestra.de: 10
A / AAAA Records
- 91.250.117.205 ↩ mail.vmb.de
Mail Server IPs
- 91.250.117.205 ↩ mail.vmb.de
SOA Record
Raw SOA
lvps91-250-117-205.dedicated.hosteurope.de christine\.klein\.institut-fenestra\.de.vmb.de 1730124911 10800 3600 604800 10800
Primary NS (mname)
lvps91-250-117-205.dedicated.hosteurope.de
Admin Email (rname)
christine\@klein\.institut-fenestra\.de.vmb.de
Serial
1730124911
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns1.institut-fenestra.de
pdns02.domaincontrol.com
lvps91-250-117-205.dedicated.hosteurope.de
ns2.institut-fenestra.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx ip4:91.250.117.205 ip6:2a01:488:66:1000:5bfa:75cd:0:1 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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 +a +mx ip4:91.250.117.205 ip6:2a01:488:66:1000:5bfa:75cd:0:1 -all
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