Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
berliner-synchron.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:49:38 UTC · ↺ Refresh
MX Hostnames
- berlinersynchron-de02b.mail.protection.outlook.com
MX Priorities
- berlinersynchron-de02b.mail.protection.outlook.com: 0
A / AAAA Records
- 213.133.104.17 ↩ www17.your-server.de
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2024042302 10800 3600 604800 300
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2024042302
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
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
5 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms10540677
- google-site-verification=8mmTpAtZjJtUtdFUuH76mhWCOFo0a9dkcjsB3KDqK_w
- google-site-verification=anUff1MnV1lQUQvY5ZtwAGKM-ARQ9fCnL4KhAlkcZrg
- k8BuiaS13KoeVqlVTpQ9pCqQQXqjDs4qyw2fxCyBA0ud6pnMrY5BkawUfjt5PRktJfGUiE/AXBxs4PWeLsyFqA==
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