Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buerofuenf.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 15:16:43 UTC · ↺ Refresh
MX Hostnames
- buerofuenf-de.mail.protection.outlook.com
MX Priorities
- buerofuenf-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.175.196.3 (no PTR)
- 2a00:1c98:60:1011::951e:7f8 (no PTR)
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2601081617 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2601081617
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.175.196.3 include:spf.protection.outlook.com include:spf.crsend.com include:spf.easybill-mail.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;ruf=mailto:[email protected];rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
4 records- SPFv=spf1 ip4:185.175.196.3 include:spf.protection.outlook.com include:spf.crsend.com include:spf.easybill-mail.de -all
- google-site-verification=QimbWuLvJiKCzfjLuHJIWs6KiFfFKq_o0XbHQAQ1N2k
- google-site-verification=CsJHLjEcmjSUgtDUERKYpldXKOxUta5dN0vrv2l6VjE
- MS=ms50136354
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