Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
customed.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:30:11 UTC · ↺ Refresh
MX Hostnames
- relay.rzone.de
- mail.customed.de
MX Priorities
- mail.customed.de: 10
- relay.rzone.de: 200
A / AAAA Records
- 145.253.245.166 ↩ customed.de
Mail Server IPs
- 145.253.245.165 ↩ mail.customed.de
- 81.169.145.96 ↩ relay.rzone.de
SOA Record
Raw SOA
docks20.rzone.de hostmaster.strato-rz.de 2020060589 86400 7200 604800 300
Primary NS (mname)
docks20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020060589
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks20.rzone.de
shades06.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:145.253.245.165 include:mail.customed.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
1 record- SPFv=spf1 ip4:145.253.245.165 include:mail.customed.de -all
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