Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cyberhealth.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 19:08:39 UTC · ↺ Refresh
MX Hostnames
- cyberhealth-de.mail.protection.outlook.com
MX Priorities
- cyberhealth-de.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
- 2620:cb:2000::1 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
kaiser.ns.cloudflare.com dns.cloudflare.com 2399224844 10000 2400 604800 1800
Primary NS (mname)
kaiser.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399224844
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
liz.ns.cloudflare.com
kaiser.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- apple-domain-verification=lmhCsIH2jEXLJ6XD
- atlassian-domain-verification=MUShIN2XaU4/1pbBNLgfJ4RpCSA9nZbJCbdIh4aACy/D2KwI1NLJ3fL1MkZeRgz1
- atlassian-sending-domain-verification=0dda6360-4e2a-46ec-9399-1f5236fdba0a
- google-site-verification=aYkk8ZrtCP5y4GpuUaT18SM7fW2IAaKDAnGnc37EZJs
- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- MS=ms63048845
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