Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smartexperts.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 01:55:46 UTC · ↺ Refresh
MX Hostnames
- cdxmailin02.datev.com
- cdxmailin01.datev.de
MX Priorities
- cdxmailin02.datev.com: 0
- cdxmailin01.datev.de: 0
A / AAAA Records
- 79.140.57.43 (no PTR)
Mail Server IPs
- 193.27.49.209 ↩ cdxmailin02.datev.com
- 2a00:e50:f155:7::d1 ↩ cdxmailin02.datev.com
- 193.27.49.208 ↩ cdxmailin01.datev.de
- 2a00:e50:f155:7::d0 ↩ cdxmailin01.datev.de
SOA Record
Raw SOA
ns01.datev.de dnsmaster.datev.de 2603240036 21600 3600 604800 600
Primary NS (mname)
ns01.datev.de
Admin Email (rname)
dnsmaster@datev.de
Serial
2603240036
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns02.datev.com
ns01.datev.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:212.18.22.200 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 include:SPF.Protection.Outlook.com ~all
📊 DNS lookups: 1/10
~ 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
✓ 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
1 record- SPFv=spf1 ip4:212.18.22.200 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 include:SPF.Protection.Outlook.com ~all
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