Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fundamental.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 16:53:32 UTC · ↺ Refresh
MX Hostnames
- fundamental-de.mail.protection.outlook.com
MX Priorities
- fundamental-de.mail.protection.outlook.com: 5
A / AAAA Records
- 217.160.0.110 ↩ 217-160-0-110.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::28f ↩ 2001-08d8-100f-f000-0000-0000-0000-028f.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1096.ui-dns.de hostmaster.kundenserver.de 2016072172 28800 7200 604800 300
Primary NS (mname)
ns1096.ui-dns.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016072172
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1096.ui-dns.de
ns1096.ui-dns.biz
ns1096.ui-dns.com
ns1096.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms61220913
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de ~all
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