Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rff.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 12:05:00 UTC · ↺ Refresh
MX Hostnames
- rff-de.mail.protection.outlook.com
MX Priorities
- rff-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.209.131.15 ↩ support.brenet.de
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.brenet.de hostmaster.brenet.de 2025120100 10800 3600 604800 86400
Primary NS (mname)
ns1.brenet.de
Admin Email (rname)
hostmaster@brenet.de
Serial
2025120100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.brenet.de
ns2.brenet.de
ns1.brenet.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.211.156.192 ip4:81.209.130.0/23 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- _6niym1bf727rnvru06a7nnes9rvg24r
- google-site-verification=8FBXK2rgz73sODsN4PynhY-VHqhj1ts6mQPsOdQPYMk
- apple-domain-verification=v9RT1hvmgjJetg9G
- SPFv=spf1 ip4:212.211.156.192 ip4:81.209.130.0/23 include:spf.protection.outlook.com -all
- 2023101915213054fxan6zjbts142rm8gs2so0vq46y44sd3345f40hufjvxil1x
- 8c78r317lb7p7lnxlb4h3hcf4gkt853g
- fortinet-fortiphish-site-verification=PDXVjrX6VeVqxgBreQ4R7P
Full email verification for rff.de
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