Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kotaico.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 11:53:21 UTC · ↺ Refresh
MX Hostnames
- kotaico-de.mail.protection.outlook.com
MX Priorities
- kotaico-de.mail.protection.outlook.com: 1
A / AAAA Records
- 185.199.109.153 ↩ cdn-185-199-109-153.github.com
- 185.199.111.153 ↩ cdn-185-199-111-153.github.com
- 185.199.108.153
- 185.199.110.153
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1055.ui-dns.com hostmaster.kundenserver.de 2017030522 28800 7200 604800 300
Primary NS (mname)
ns1055.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017030522
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1055.ui-dns.de
ns1055.ui-dns.biz
ns1055.ui-dns.org
ns1055.ui-dns.com
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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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