Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarchitektur.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 13:36:53 UTC · ↺ Refresh
MX Hostnames
- zahnarchitektur-de.mail.protection.outlook.com
MX Priorities
- zahnarchitektur-de.mail.protection.outlook.com: 10
A / AAAA Records
- 138.201.153.182 ↩ web03.performancehosting.pro
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
fiona.ns.cloudflare.com dns.cloudflare.com 2398525525 10000 2400 604800 1800
Primary NS (mname)
fiona.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398525525
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kevin.ns.cloudflare.com
fiona.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ipv4:88.99.58.171 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r; adkim=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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
2 records- SPFv=spf1 ipv4:88.99.58.171 include:spf.protection.outlook.com -all
- google-site-verification=B__AOKiZrDLef08FTQ7iIARURPASAoKeAPDCa0Kr7Es
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