Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
friedrich-osnabrueck.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:45:10 UTC · ↺ Refresh
MX Hostnames
- friedrichosnabrueck-de02c.mail.protection.outlook.com
MX Priorities
- friedrichosnabrueck-de02c.mail.protection.outlook.com: 0
A / AAAA Records
- 157.90.89.85 ↩ werner.de-webspace.de
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.beinhart.de hostmaster.beinhart.com 2025012301 28800 7200 604800 86400
Primary NS (mname)
ns1.beinhart.de
Admin Email (rname)
hostmaster@beinhart.com
Serial
2025012301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.beinhart.de
ns1.beinhart.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:88.198.24.240/32 ip4:157.90.89.85/32 ip4:144.76.146.56/29 include:spf.protection.outlook.com ip4:88.198.24.240/32 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:88.198.24.240/32 ip4:157.90.89.85/32 ip4:144.76.146.56/29 include:spf.protection.outlook.com ip4:88.198.24.240/32 -all
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