Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
klasse2000.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:25:15 UTC · ↺ Refresh
MX Hostnames
- mx2.klasse2000.de
- mx1.klasse2000.de
MX Priorities
- mx2.klasse2000.de: 20
- mx1.klasse2000.de: 10
A / AAAA Records
- 185.115.179.178 ↩ v5683.ssdhosting.as-vserver.de
- 2a02:74a0:a008:2015:f816:3eff:fe79:7032 ↩ v5683.ssdhosting.as-vserver.de
Mail Server IPs
- 93.104.235.166 ↩ mx2.klasse2000.de
- 213.179.132.122 ↩ mx1.klasse2000.de
SOA Record
Raw SOA
ns1.aditsystems.hosting support.aditsystems.de 2020032101 86400 3600 1209600 1800
Primary NS (mname)
ns1.aditsystems.hosting
Admin Email (rname)
support@aditsystems.de
Serial
2020032101
Refresh
86400s
Retry
3600s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns3.aditsystems.hosting
ns1.aditsystems.hosting
ns2.aditsystems.hosting
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.a1a-server.de a:owa.enterbrain.eu mx:enterbrain.eu mx:straubdesign.de -all
📊 DNS lookups: 7/10
✓ 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
3 records- SPFv=spf1 mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.a1a-server.de a:owa.enterbrain.eu mx:enterbrain.eu mx:straubdesign.de -all
- atlassian-domain-verification=5JFbkoLi0McjHq8oBQc2GQbrWgl4j4EKS3vfQRA6rxeCtVNLIa2DwX28kYyKLm7f
- google-site-verification=3-6g7cKHyH0VNdW2ktfWf56XP58yJxsrqIFo_eei1Cw
Full email verification for klasse2000.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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