Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
hotel-opera.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 16:41:19 UTC · ↺ Refresh
MX Hostnames
- hotelopera-de01c.mail.protection.outlook.com
MX Priorities
- hotelopera-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 85.13.155.212 ↩ dd39630.kasserver.com
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa9.schlundtech.de p\.scharl.ps-systems.com 2023121900 43200 7200 1209600 600
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
p\@scharl.ps-systems.com
Serial
2023121900
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsa9.schlundtech.de
nsb9.schlundtech.de
nsd9.schlundtech.de
nsc9.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail.ps-server24.com a:w01db183.kasserver.com include:spf.protection.outlook.com include:spf.synxis.com -all
📊 DNS lookups: 4/10
✓ 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
3 records- SPFv=spf1 a:mail.ps-server24.com a:w01db183.kasserver.com include:spf.protection.outlook.com include:spf.synxis.com -all
- google-site-verification=S5vytOMKUqtKCVgeV2vsUS402vz0LwesOGe3gv3iARc
- MS=ms24250242
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