Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stw-a.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 03:36:24 UTC · ↺ Refresh
MX Hostnames
- mail.stw-a.de
MX Priorities
- mail.stw-a.de: 10
A / AAAA Records
- 81.169.145.160 ↩ wa0.rzone.de
- 2a01:238:20a:202:1160:: ↩ wa0.rzone.de
Mail Server IPs
- 62.245.204.58 ↩ mail.stw-a.de
SOA Record
Raw SOA
shades09.rzone.de hostmaster.strato-rz.de 2022063118 86400 7200 604800 300
Primary NS (mname)
shades09.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2022063118
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks16.rzone.de
shades09.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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
2 records- 202409271110131a93w775wytmdziluo26ii0rfwv000espa64vemhhf1kaahkej
- SPFv=spf1 mx -all
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