Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
harvardbusinessmanager.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-08-19 05:27:13 UTC · ↺ Refresh
MX Hostnames
- harvardbusinessmanager-de.mail.protection.outlook.com
MX Priorities
- harvardbusinessmanager-de.mail.protection.outlook.com: 0
A / AAAA Records
- 213.95.144.77 (no PTR)
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.brandshelter.com tech.brandshelter.com 2025120200 10800 3600 604800 300
Primary NS (mname)
ns01.brandshelter.com
Admin Email (rname)
tech@brandshelter.com
Serial
2025120200
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns01.brandshelter.com
ns02.brandshelter.net
SPF Record
✓ Strict (-all)
v=spf1 mx:spiegel.de include:inxserver.com include:spf.protection.outlook.com include:spf.dsb.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
8 records- apple-domain-verification=w4RgnOAP7VNQt1HA
- google-site-verification=aN4PakWGEngujq2BqdSEyRugXL0p7GL21pm4v4o0Jrw
- rovag_verification_token=23F523A7DA7948378FA42D7966F3A1D9
- MS=ms92679906
- jamf-site-verification=UsTN0PXetTmrjg4kA2pBLQ
- atlassian-domain-verification=qkv0u2nj3emGh9UVqNl/2AOp/BxahFJ7m2Bbv8bUPlGhytfsEAB3Zyd8AvXOEHVW
- mgverify=63727b2bdd05684075f917329eb989cd68f598e0dda9818675ac91b7b616db54
- SPFv=spf1 mx:spiegel.de include:inxserver.com include:spf.protection.outlook.com include:spf.dsb.net -all
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