Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
systemhaus-erdmann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 09:43:05 UTC · ↺ Refresh
MX Hostnames
- systemhauserdmann-de02e.mail.protection.outlook.com
- mail.systemhaus-erdmann.de
MX Priorities
- mail.systemhaus-erdmann.de: 20
- systemhauserdmann-de02e.mail.protection.outlook.com: 10
A / AAAA Records
- 85.13.162.252 ↩ dd45008.kasserver.com
Mail Server IPs
- 80.147.31.246 ↩ mail.systemhaus-erdmann.de
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
alla.ns.cloudflare.com dns.cloudflare.com 2400286596 10000 2400 604800 1800
Primary NS (mname)
alla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400286596
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bill.ns.cloudflare.com
alla.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:spf.brevo.com include:spf.sendinblue.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._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
9 records- 471fde7fa8c34b9fb3defdf4301c4164
- 8v+OXqnMXrsb8bxedop8e5YJtC6j6s5sHIF5sdCxWYlvzvhNXsfYL6/m1wlKQwb3oDVQi0G7PSM0nRHtPx4S7g==
- MS=F46A2087A9506BA745F2B3ACF43076581012D860
- _globalsign-domain-verification=Emxj0cqXAJNubxRp88ymDe2j6gVCAlkC98hyp8KX0S
- _globalsign-domain-verification=SkqQCkMeiRXqZV9tKjsGD7Nq2aRHP-1s1t73gE5RRx
- _globalsign-domain-verification=eAiSBGYxu8q3Wmrp5cENDgK4G2SBX9czh5OILWPQ7Y
- brevo-code:e0695c2aca91b16ae97e08b7a9179d15
- sophos-domain-verification=19365514cafe54865a51d9f149522bfc813fa62b09630af6164245be7903b69e
- SPFv=spf1 a include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:spf.brevo.com include:spf.sendinblue.com ~all
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