Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bluedatex.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 10:48:43 UTC · ↺ Refresh
MX Hostnames
- bluedatex-de.mail.protection.outlook.com
MX Priorities
- bluedatex-de.mail.protection.outlook.com: 1
A / AAAA Records
- 172.67.70.165 (no PTR)
- 104.26.1.2 (no PTR)
- 104.26.0.2
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
dean.ns.cloudflare.com dns.cloudflare.com 2396840967 10000 2400 604800 1800
Primary NS (mname)
dean.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396840967
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dell.ns.cloudflare.com
dean.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:dd26408.kasserver.com include:spf.protection.outlook.com include:spf.crsend.com -all
📊 DNS lookups: 3/10
✓ 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- google-site-verification=_9deQjZ8YK4puoTDDwO2TKEC8Z2T5OPvT96d0Bkz3uI
- SPFv=spf1 a:dd26408.kasserver.com include:spf.protection.outlook.com include:spf.crsend.com -all
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