Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rfh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 23:23:51 UTC · ↺ Refresh
MX Hostnames
- rfh-de.mail.protection.outlook.com
MX Priorities
- rfh-de.mail.protection.outlook.com: 10
A / AAAA Records
- 168.119.205.135 ↩ www558.your-server.de
- 2a01:4f8:1061:127e::2 ↩ www558.your-server.de
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2025012800 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2025012800
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns3.second-ns.de
ns1.your-server.de
ns.second-ns.com
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- sophos-domain-verification=94e70318496d092195b3d2be5aa9bb69be3bf6589520be3646c954969037d48b
- @ v=spf1 include:spf.protection.outlook.com -all
- MS=ms23412963
- cisco-ci-domain-verification=3f2af7e312ed39d44338bb431649feff9e75a04a34c3b4665c9b4cde487bdf8d
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for rfh.de
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