Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dpf.gmbh
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 05:04:42 UTC · ↺ Refresh
MX Hostnames
- dpf-gmbh.mail.protection.outlook.com
MX Priorities
- dpf-gmbh.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.221 ↩ 217-160-0-221.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2b0 ↩ 2001-08d8-100f-f000-0000-0000-0000-02b0.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1103.ui-dns.org hostmaster.1und1.com 2017060145 28800 7200 604800 600
Primary NS (mname)
ns1103.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060145
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1103.ui-dns.org
ns1076.ui-dns.de
ns1053.ui-dns.com
ns1054.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
✓ 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
3 records- google-site-verification=_505b-Ri6cX_aIJ3jJk8tMdWbMLG-AVwLOqLrwKxOdM
- SPFv=spf1 include:spf.protection.outlook.com -all
- seobility=9b5bb1d0ce55463ccd29050b7417c55d
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