Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rkw-sachsen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 22:15:28 UTC · ↺ Refresh
MX Hostnames
- rkwsachsen-de0i.mail.protection.outlook.com
MX Priorities
- rkwsachsen-de0i.mail.protection.outlook.com: 1
A / AAAA Records
- 81.201.148.51 ↩ ws01.dsinet.de
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ans-01.ibh.de hostmaster.ibh.net 2025031400 3600 1200 3600000 600
Primary NS (mname)
ans-01.ibh.de
Admin Email (rname)
hostmaster@ibh.net
Serial
2025031400
Refresh
3600s
Retry
1200s
Expire
3600000s
Minimum TTL
600s
Nameservers (NS)
ans-04.ibh.services
ans-01.ibh.de
ans-03.ibh.de
ans-02.ibh.net
ans-05.ibh.net
SPF Record
✓ Strict (-all)
v=spf1 a mx a:web2.rkw-sachsen.de include:spf.dsinet.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ 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=ms49024109
- SPFv=spf1 a mx a:web2.rkw-sachsen.de include:spf.dsinet.de include:spf.protection.outlook.com -all
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