Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
md-systemhaus.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 15:08:48 UTC · ↺ Refresh
MX Hostnames
- mdsystemhaus-de0e.mail.protection.outlook.com
MX Priorities
- mdsystemhaus-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 217.154.71.246 (no PTR)
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa4.schlundtech.de s\.groenewold.md-systemhaus.de 2025102902 43200 7200 1209600 600
Primary NS (mname)
nsa4.schlundtech.de
Admin Email (rname)
s\@groenewold.md-systemhaus.de
Serial
2025102902
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsb4.schlundtech.de
nsa4.schlundtech.de
nsc4.schlundtech.de
nsd4.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:smtpout.md-systemhaus.de ip4:62.138.204.132 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:autotask.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- google-site-verification=LHITOCJ3ycj2kBbjm4Ka8QPjUGFkZ7Iz9gfxtSR-AkQ
- SPFv=spf1 mx a:smtpout.md-systemhaus.de ip4:62.138.204.132 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:autotask.net -all
- google-site-verification=FgmmJLv-GDFchwZ276bIBbJtdOu8ZRxinLEpYSHxqYo
- apple-domain-verification=E9WSGxT6ZPODc1yl
Full email verification for md-systemhaus.de
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