Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
conceptapv.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 07:51:32 UTC · ↺ Refresh
MX Hostnames
- mailexchange.serverkultur.de
MX Priorities
- mailexchange.serverkultur.de: 10
A / AAAA Records
- 217.160.0.1 ↩ 217-160-0-1.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 78.47.188.168 ↩ mailexchange.serverkultur.de
SOA Record
Raw SOA
ns1113.ui-dns.biz hostmaster.1und1.com 2017060111 28800 7200 604800 600
Primary NS (mname)
ns1113.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060111
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1113.ui-dns.biz
ns1057.ui-dns.org
ns1035.ui-dns.com
ns1117.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 mx mx:serverkultur.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 mx mx:serverkultur.de -all
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