Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
art-invest.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 14:12:19 UTC · ↺ Refresh
MX Hostnames
- artinvest-de0i.mail.protection.outlook.com
MX Priorities
- artinvest-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 31.24.145.37 ↩ p01.zechbau.hosting.plutex.de
Mail Server IPs
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.plutex.de domains.zech-group.com 2025100902 60 60 604800 60
Primary NS (mname)
ns1.plutex.de
Admin Email (rname)
domains@zech-group.com
Serial
2025100902
Refresh
60s
Retry
60s
Expire
604800s
Minimum TTL
60s
Nameservers (NS)
ns3.plutex.de
ns2.plutex.de
ns1.plutex.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.u2d.de include:spf.myzechit.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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- SPFv=spf1 include:spf.u2d.de include:spf.myzechit.com include:spf.protection.outlook.com -all
- dykCPWIdBaBF3dWH080MXFi3Umsachk1sXyCKdo+W1qEnRZb+QkGw1/pcVkYiW30UgJ6l6sJjFtnbZWa9+s4iA==
- MS=ms20971490
- canva-site-verification=X2ujzKsL1WLBYW0qEW-RSA
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