Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stellwerk18.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 00:46:44 UTC · ↺ Refresh
MX Hostnames
- stellwerk18-de.mail.protection.outlook.com
MX Priorities
- stellwerk18-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.214.120.200 ↩ proxy.ronet.de
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.ronet.de hostmaster.ronet.de 2026031303 86400 7200 604800 600
Primary NS (mname)
dns.ronet.de
Admin Email (rname)
hostmaster@ronet.de
Serial
2026031303
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
dns.ronet.de
dns3.ronet.de
dns2.ronet.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ronet.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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- SPFv=spf1 include:spf.protection.outlook.com include:spf.ronet.de -all
- MS=ms48889496
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