Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
claus-blumenauer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 16:47:21 UTC · ↺ Refresh
MX Hostnames
- clausblumenauer-de01c.mail.protection.outlook.com
MX Priorities
- clausblumenauer-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 45.157.178.83 ↩ server1.boonoserver.de
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ed-net.de hostmaster.edcud.de 1764606018 43200 21600 604800 43200
Primary NS (mname)
ns1.ed-net.de
Admin Email (rname)
hostmaster@edcud.de
Serial
1764606018
Refresh
43200s
Retry
21600s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
ns2.ed-net.de
ns1.ed-net.de
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:rm01.claus-blumenauer.de ip4:213.168.114.81 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- SPFv=spf1 a include:spf.protection.outlook.com include:rm01.claus-blumenauer.de ip4:213.168.114.81 -all
- brevo-code:fd2e3d0e7ab5d81a449373a973b6a193
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