Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
derstahlberg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 15:07:09 UTC · ↺ Refresh
MX Hostnames
- derstahlberg-de.mail.protection.outlook.com
MX Priorities
- derstahlberg-de.mail.protection.outlook.com: 0
A / AAAA Records
- 195.201.104.145 ↩ plesk.dvc.gmbh
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com admin.d-v-c.net 2025112509 600 900 1209600 10800
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
admin@d-v-c.net
Serial
2025112509
Refresh
600s
Retry
900s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
helium.ns.hetzner.de
oxygen.ns.hetzner.com
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- MS=ms31387908
- SPFv=spf1 include:spf.protection.outlook.com -all
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