Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stadtwerke-passau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:17:46 UTC · ↺ Refresh
MX Hostnames
- mailr.stadtwerke-passau.de
MX Priorities
- mailr.stadtwerke-passau.de: 10
A / AAAA Records
- 89.28.139.165 ↩ www.stadtwerke-passau.de
Mail Server IPs
- 89.28.138.69 ↩ mailr.stadtwerke-passau.de
SOA Record
Raw SOA
dns1.telepark-passau.de support.stadtwerke-passau.de 2026022507 7200 540 604800 86400
Primary NS (mname)
dns1.telepark-passau.de
Admin Email (rname)
support@stadtwerke-passau.de
Serial
2026022507
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns1.telepark-passau.de
dns2.telepark-passau.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:stadtwerke-passau.de -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; aspf=r; adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx a:stadtwerke-passau.de -all
- MS=F4B2EAC5BA1490D553EB74020D4D0AD0AB69D7CA
- google-site-verification=HWUeycQ0Iqf2-nwWJcThoRMDsFj50kVsmUhPyoOy5JY
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