Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ttcleinzell.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 13:26:17 UTC · ↺ Refresh
MX Hostnames
- smtpin.rzone.de
MX Priorities
- smtpin.rzone.de: 5
A / AAAA Records
- 81.169.145.93 ↩ w8d.rzone.de
- 2a01:238:20a:202:1093:: ↩ w8d.rzone.de
Mail Server IPs
- 81.169.145.97 ↩ smtpin.rzone.de
- 2a01:238:20a:202:50f0::1097 ↩ smtpin.rzone.de
SOA Record
Raw SOA
shades20.rzone.de hostmaster.strato-rz.de 2021051570 86400 7200 604800 300
Primary NS (mname)
shades20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021051570
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks10.rzone.de
shades20.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:strato.de mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; fo=1; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 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 include:strato.de mx -all
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