Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zkm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 19:43:44 UTC · ↺ Refresh
MX Hostnames
- fortimail.zkm.de
- c1431.mx.srv.dfn.de
- b1431.mx.srv.dfn.de
- a1431.mx.srv.dfn.de
MX Priorities
- b1431.mx.srv.dfn.de: 30
- fortimail.zkm.de: 20
- c1431.mx.srv.dfn.de: 30
- a1431.mx.srv.dfn.de: 30
A / AAAA Records
- 193.197.168.188 ↩ www.zkm.de
Mail Server IPs
- 194.95.234.80 ↩ b1431.mx.srv.dfn.de
- 193.197.169.7 ↩ fortimail.zkm.de
- 194.95.238.80 ↩ c1431.mx.srv.dfn.de
- 194.95.232.80 ↩ a1431.mx.srv.dfn.de
SOA Record
Raw SOA
infoblox.zkm.de hostmaster.zkm.de 2022114006 10800 3600 2419200 900
Primary NS (mname)
infoblox.zkm.de
Admin Email (rname)
hostmaster@zkm.de
Serial
2022114006
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
dns.zkm.de
infoblox.zkm.de
dns3.belwue.de
dns1.belwue.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:193.197.168.0/22 ip4:193.197.172.0/24 ip4:54.246.220.150 ip4:54.246.224.90 ip4:208.91.114.151 include:_spf.rexx-suite.com include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ 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
4 records- bw=uqDW9nAlzCDNMWAcBdwFxqxDG8NQwsy8XYnJky3DDDSz
- google-site-verification=dfBtFSTRo66eUH0dc-sNg4bgbntbz6XMYMtltsq0VNk
- SPFv=spf1 ip4:193.197.168.0/22 ip4:193.197.172.0/24 ip4:54.246.220.150 ip4:54.246.224.90 ip4:208.91.114.151 include:_spf.rexx-suite.com include:mailgun.org ~all
- apple-domain-verification=cAkT3PrPl281VWdI
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