Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frentz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 01:21:22 UTC · ↺ Refresh
MX Hostnames
- frentz-de.mail.protection.outlook.com
MX Priorities
- frentz-de.mail.protection.outlook.com: 10
A / AAAA Records
- 178.250.12.139 ↩ cloud1-vm477.de-nserver.de
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.de-nserver.de hostmaster.ns1.de-nserver.de 2021092709 14400 3600 604800 600
Primary NS (mname)
ns1.de-nserver.de
Admin Email (rname)
hostmaster@ns1.de-nserver.de
Serial
2021092709
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.de-nserver.de
ns1.de-nserver.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
5 records- google-site-verification=bTvauD50Cm_z0rsRw7hCrCxYXdSn2IK9XUA4nAfjJ-Q
- MS=ms67031374
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=kxaR400KkhFLP04p6OtIGr9Coe3EQt6sVJgrZ0HutnY
- google-site-verification=eBmYBNVCpax_KvxZpnVQ7Q7fJ-nhcn1UZdd5rujZeIg
Full email verification for frentz.de
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