Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stracke-immobilien.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:56:54 UTC · ↺ Refresh
MX Hostnames
- strackeimmobilien-de01i.mail.protection.outlook.com
MX Priorities
- strackeimmobilien-de01i.mail.protection.outlook.com: 0
A / AAAA Records
- 49.12.119.158 ↩ ip-49-12-119-158.scrw-net.de
- 2a01:4f8:1c17:80fe::1 ↩ ip6-2a01-04f8-1c17-80fe-0000-0000-0000-0001.scrw-net.de
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
felicity.ns.cloudflare.com dns.cloudflare.com 2395533766 10000 2400 604800 1800
Primary NS (mname)
felicity.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395533766
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
felicity.ns.cloudflare.com
laila.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.onoffice.de include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=86400; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 include:_spf.onoffice.de include:spf.protection.outlook.com -all
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