Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kersten-kopp.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:04:53 UTC · ↺ Refresh
MX Hostnames
- mail.kersten-kopp.de
MX Priorities
- mail.kersten-kopp.de: 10
A / AAAA Records
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
- 198.185.159.145 (no PTR)
Mail Server IPs
- 157.90.28.75 ↩ mail.kersten-kopp.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026022400 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026022400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:office.kersten-kopp.de a:mail.kersten-kopp.de include:www481.your-server.de ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ 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 mx a:office.kersten-kopp.de a:mail.kersten-kopp.de include:www481.your-server.de ~all
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