Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
niendorf-immobilien.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:47:27 UTC · ↺ Refresh
MX Hostnames
- niendorfimmobilien-de02b.mail.protection.outlook.com
- mail.niendorf-immobilien.de
MX Priorities
- mail.niendorf-immobilien.de: 200
- niendorfimmobilien-de02b.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.64 ↩ w00.rzone.de
- 2a01:238:20a:202:1064::
Mail Server IPs
- 46.19.91.114 ↩ mail.niendorf-immobilien.de
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
docks10.rzone.de hostmaster.strato-rz.de 2020050836 86400 7200 604800 300
Primary NS (mname)
docks10.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050836
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks10.rzone.de
shades19.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a ip4:46.19.91.114 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- 202409232300062t4zvpx0vyvjbof4k4yf1y4o4z3qcxjs6puh1qr67ooekad2t9
- MS=ms80499361
- atlassian-domain-verification=pj5lFOK5sPY53cU6Jw7r1QiPJTP5YfRixZDoZG3vaYgw101myalOm7XMHo0YRbc0
- SPFv=spf1 a ip4:46.19.91.114 include:spf.protection.outlook.com -all
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