Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hsd.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 18:53:10 UTC · ↺ Refresh
MX Hostnames
- hsd-de.mail.protection.outlook.com
MX Priorities
- hsd-de.mail.protection.outlook.com: 0
A / AAAA Records
- 195.36.93.72 (no PTR)
Mail Server IPs
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
dns-b1.cronon.de postmaster.cronon.de 2023071201 43200 3600 604800 10800
Primary NS (mname)
dns-b1.cronon.de
Admin Email (rname)
postmaster@cronon.de
Serial
2023071201
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
dns-b2.cronon.de
dns-hh1.cronon.de
dns-b1.cronon.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
2 records- MS=ms77008345
- SPFv=spf1 include:spf.protection.outlook.com -all
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