Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
denkmal3.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 02:17:33 UTC · ↺ Refresh
MX Hostnames
- denkmal3-de.mail.protection.outlook.com
MX Priorities
- denkmal3-de.mail.protection.outlook.com: 10
A / AAAA Records
- 195.4.133.240 ↩ web1.busse.cloud
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.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
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa8.schlundtech.de mike.busse-computer.de 2025052703 43200 7200 1209600 86400
Primary NS (mname)
nsa8.schlundtech.de
Admin Email (rname)
mike@busse-computer.de
Serial
2025052703
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa8.schlundtech.de
nsd8.schlundtech.de
nsb8.schlundtech.de
nsc8.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:195.4.133.240/29 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ 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 mx a ip4:195.4.133.240/29 include:spf.protection.outlook.com -all
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