Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
linde-healthcare.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 06:51:26 UTC · ↺ Refresh
MX Hostnames
- lindehealthcare-de01c.mail.protection.outlook.com
MX Priorities
- lindehealthcare-de01c.mail.protection.outlook.com: 10
A / AAAA Records
- 23.200.88.61 ↩ a23-200-88-61.deploy.static.akamaitechnologies.com
- 23.200.88.83 ↩ a23-200-88-83.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
udns1.cscdns.net premiumdns.support.neustar 2019111064 14400 3600 1296000 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
premiumdns@support.neustar
Serial
2019111064
Refresh
14400s
Retry
3600s
Expire
1296000s
Minimum TTL
86400s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.linde.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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 include:spf.protection.outlook.com include:_spf.linde.com -all
- MS=ms15893980
- facebook-domain-verification=mb2n9a2jlx6am0hfiepxgapmwhy34n
- google-site-verification=jGdt52FjPUNnjNI8tEATY13IWOMWrKNGw9QmOSauUZg
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