Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concept-net.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 20:54:24 UTC · ↺ Refresh
MX Hostnames
- antivir.concept-net.de
- mail9.knipp.de
- mail9.knipp.de
MX Priorities
- mail9.knipp.de: 20
- antivir.concept-net.de: 10
- mail9.knipp.de: 200
A / AAAA Records
- 213.183.92.228 ↩ 213-183-92-228.cust.pfalzkom.net
Mail Server IPs
- 195.138.61.20 ↩ mail9.knipp.de
- 213.183.84.89 ↩ antivir.concept-net.de
SOA Record
Raw SOA
ns2.knipp.de dnsmaster.irondns.net 2024012994 10800 3000 2419200 900
Primary NS (mname)
ns2.knipp.de
Admin Email (rname)
dnsmaster@irondns.net
Serial
2024012994
Refresh
10800s
Retry
3000s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns2.knipp.de
ns17.knipp.net
ns3.knipp.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:213.183.92.223 ip4:213.183.84.64/26 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 mx ip4:213.183.92.223 ip4:213.183.84.64/26 ~all
- MS=ms92259043
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