Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dtgeiger.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 00:37:20 UTC · ↺ Refresh
MX Hostnames
- relay.rzone.de
- mail.dtgeiger.de
MX Priorities
- relay.rzone.de: 100
- mail.dtgeiger.de: 10
A / AAAA Records
- 81.169.145.71 ↩ w07.rzone.de
- 2a01:238:20a:202:1071:: ↩ w07.rzone.de
Mail Server IPs
- 81.169.145.96 ↩ relay.rzone.de
- 84.176.113.176 ↩ p54b071b0.dip0.t-ipconnect.de
SOA Record
Raw SOA
shades03.rzone.de hostmaster.strato-rz.de 2020062679 86400 7200 604800 300
Primary NS (mname)
shades03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020062679
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades03.rzone.de
docks07.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.dtgeiger.de mx:relay.rzone.de include:_spf.strato.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a:mail.dtgeiger.de mx:relay.rzone.de include:_spf.strato.com -all
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