Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
phase4.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 23:21:52 UTC · ↺ Refresh
MX Hostnames
- phase4-de.mail.protection.outlook.com
MX Priorities
- phase4-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.215.156.99 ↩ r20511.agenturserver.it
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2025061103 10800 3600 604800 3600
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2025061103
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.domaindiscount24.net
ns3.domaindiscount24.net
ns1.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:agenturserver.de -all
📊 DNS lookups: 2/10
✓ 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
4 records- MS=ms56543593
- facebook-domain-verification=nffq7v7uwsgoagye3zjae1g7vt3059
- google-site-verification=4Nv2PP2Q0w-GNbemOxBUbZbFJkeWSuCRYZxLp6wf2ms
- SPFv=spf1 include:spf.protection.outlook.com include:agenturserver.de -all
Full email verification for phase4.de
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