Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kobertax.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 15:14:03 UTC · ↺ Refresh
MX Hostnames
- kobertax-de.mail.protection.outlook.com
MX Priorities
- kobertax-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.164 ↩ wa4.rzone.de
- 2a01:238:20a:202:1164:: ↩ wa4.rzone.de
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
shades03.rzone.de hostmaster.strato-rz.de 2020052043 86400 7200 604800 300
Primary NS (mname)
shades03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052043
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades03.rzone.de
docks13.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:maildomain._spf.datev.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:maildomain._spf.datev.de ~all
- MS=ms30701399
- google-site-verification=a0xfZedhTEigbl5fho_y8bWtpkaUH6Oob31Fy9uDGGw
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