Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holzzentrum.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 22:19:43 UTC · ↺ Refresh
MX Hostnames
- holzzentrum-de.mail.protection.outlook.com
MX Priorities
- holzzentrum-de.mail.protection.outlook.com: 0
A / AAAA Records
- 37.228.159.40 ↩ cloud6-vm342.de-nserver.de
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.kundenserver.de hostmaster.kundenserver.de 2017072920 28800 7200 604800 300
Primary NS (mname)
ns3.kundenserver.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017072920
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.kundenserver.de
ns4.kundenserver.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:87.130.78.2 ip4:87.130.78.6 ip4:178.250.15.187 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com a:mout.kundenserver.de ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- facebook-domain-verification=5amn6cf1um2q72ky4mb36mls0ouloo
- SPFv=spf1 mx ip4:87.130.78.2 ip4:87.130.78.6 ip4:178.250.15.187 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com a:mout.kundenserver.de ~all
- apple-domain-verification=nmpVDZs0VO595oMW
- MS=D629573B61F0C1D56E94150AFCEE829FB15AC4AF
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