Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firma-luck.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 15:30:04 UTC · ↺ Refresh
MX Hostnames
- firmaluck-de01c.mail.protection.outlook.com
MX Priorities
- firmaluck-de01c.mail.protection.outlook.com: 1
A / AAAA Records
- 217.160.0.241 ↩ 217-160-0-241.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2fe ↩ 2001-08d8-100f-f000-0000-0000-0000-02fe.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1071.ui-dns.de hostmaster.schlund.de 2016051121 28800 7200 604800 300
Primary NS (mname)
ns1071.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2016051121
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1071.ui-dns.org
ns1071.ui-dns.com
ns1071.ui-dns.de
ns1071.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 include:spf.protection.outlook.com -all
- google-site-verification=tT96GVSIee05Aq2CL--0m_FHjFfbwVLvhPTYpdQbVkM
- MS=ms64582842
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