Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cobus-concept.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 21:15:53 UTC · ↺ Refresh
MX Hostnames
- cobusconcept-de01c.mail.protection.outlook.com
MX Priorities
- cobusconcept-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 80.70.184.2 ↩ host-80-80-184-2.vegasystems.de
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.vegasystems.de hostmaster.vegasystems.de 2026022713 36000 3600 604800 86400
Primary NS (mname)
ns1.vegasystems.de
Admin Email (rname)
hostmaster@vegasystems.de
Serial
2026022713
Refresh
36000s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.vegasystems.net
ns1.vegasystems.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.vegasystems.de a:firewall.cobus-concept.de a:srv-email.cobus-concept.de include:mailgun.org include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all
📊 DNS lookups: 8/10
✓ 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
✓ 3 found
selector1._domainkey
selector2._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
4 records- MS=ms11080003
- sophos-domain-verification=8d76b383a6a3e3d8046a7d38783a6e6abd954a501ff4322dc920b249ea39fd5a
- apple-domain-verification=RHGHYpR6dmhhm3iQ
- SPFv=spf1 a mx include:spf.vegasystems.de a:firewall.cobus-concept.de a:srv-email.cobus-concept.de include:mailgun.org include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all
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