Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ksb-havelland.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 13:00:47 UTC · ↺ Refresh
MX Hostnames
- ksbhavelland-de0i.mail.protection.outlook.com
MX Priorities
- ksbhavelland-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.32 ↩ 217-160-0-32.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1049.ui-dns.org hostmaster.1und1.de 2017032911 28800 7200 604800 300
Primary NS (mname)
ns1049.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017032911
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1049.ui-dns.com
ns1049.ui-dns.org
ns1049.ui-dns.biz
ns1049.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- facebook-domain-verification=ahyg1zsfdatvfckx0gkbnpqc3w82fr
- SPFv=spf1 include:spf.protection.outlook.com -all
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