Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zoellner-immobilien.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 11:04:23 UTC · ↺ Refresh
MX Hostnames
- zoellnerimmobilien-de02b.mail.protection.outlook.com
MX Priorities
- zoellnerimmobilien-de02b.mail.protection.outlook.com: 10
A / AAAA Records
- 88.99.121.253 ↩ ip-88-99-121-253.scrw-net.de
- 2a01:4f8:1c17:80ed::1 ↩ ip6-2a01-04f8-1c17-80ed-0000-0000-0000-0001.scrw-net.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.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
shades13.rzone.de hostmaster.strato-rz.de 2020051958 86400 7200 604800 300
Primary NS (mname)
shades13.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051958
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks10.rzone.de
shades13.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=TzU0GF4GpSK7o5lTT8NDRmNHmrzpU9jkhClPWqQkw60
- openai-domain-verification=dv-Kw55uXjuFxvUp4UT2bHUsW5r
- SPFv=spf1 include:spf.protection.outlook.com -all
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