Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mr-steuer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 06:35:05 UTC · ↺ Refresh
MX Hostnames
- mrsteuer-de0e.mail.protection.outlook.com
MX Priorities
- mrsteuer-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 5.1.82.17 ↩ s27055.creolineserver.com
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.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
SOA Record
Raw SOA
hassan.ns.cloudflare.com dns.cloudflare.com 2399478795 10000 2400 604800 1800
Primary NS (mname)
hassan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399478795
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
margaret.ns.cloudflare.com
hassan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mandrillapp.com include:spf.crsend.com include:spf.easybill-mail.de -all
📊 DNS lookups: 4/10
✓ 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- brevo-code:3c62c4bfd85b4c8da0ce777fb321038c
- google-site-verification=Py-RWkM538WSM-fprgTPqYmzq-Q0hI94mU9SuDPkTXI
- SPFv=spf1 include:spf.protection.outlook.com include:mandrillapp.com include:spf.crsend.com include:spf.easybill-mail.de -all
- MS=ms67223316
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