Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnsache.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 19:51:48 UTC · ↺ Refresh
MX Hostnames
- zahnsache-de.mail.protection.outlook.com
MX Priorities
- zahnsache-de.mail.protection.outlook.com: 10
A / AAAA Records
- 188.64.251.53 (no PTR)
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns01.cows.de hostmaster.zahnsache.de 2024111308 3600 3600 1209600 86400
Primary NS (mname)
dns01.cows.de
Admin Email (rname)
hostmaster@zahnsache.de
Serial
2024111308
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns01.cows.de
dns02.cows.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:188.64.251.53 include:5pf.cows-server.de include:spf.protection.outlook.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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=4kiXRl4Jn7iDna4X0QxyGkLbCBxIl4DRBlwNZDC2V2s
- SPFv=spf1 a mx ip4:188.64.251.53 include:5pf.cows-server.de include:spf.protection.outlook.com -all
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