Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-lehn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:17:35 UTC · ↺ Refresh
MX Hostnames
- dr--lehn-de.mx1.arsmtp.com
- dr--lehn-de.mx2.arsmtp.com
MX Priorities
- dr--lehn-de.mx2.arsmtp.com: 10
- dr--lehn-de.mx1.arsmtp.com: 20
A / AAAA Records
- 81.169.145.93 ↩ w8d.rzone.de
- 2a01:238:20a:202:1093:: ↩ w8d.rzone.de
Mail Server IPs
- 5.152.188.54 ↩ server421.appriver.com
- 5.152.185.144 ↩ server420.appriver.com
SOA Record
Raw SOA
docks08.rzone.de hostmaster.strato-rz.de 2020050532 86400 7200 604800 300
Primary NS (mname)
docks08.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050532
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades13.rzone.de
docks08.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:edgepilot.com include:_spf.strato.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:edgepilot.com include:_spf.strato.com -all
- MS=ms16987126
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