Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hs-buchhaltung.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:15:35 UTC · ↺ Refresh
MX Hostnames
- hsbuchhaltung-com0e.mail.protection.outlook.com
- ms65611272.msv1.invalid
MX Priorities
- ms65611272.msv1.invalid: 255
- hsbuchhaltung-com0e.mail.protection.outlook.com: 0
A / AAAA Records
- 94.130.105.165 ↩ static.165.105.130.94.clients.your-server.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.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::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
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2025111000 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2025111000
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
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 -all
- brevo-code:403173b31a49766c7b7fdb271b4c3144
- google-site-verification=0iydd7TDxMF4yDAJ1DWwIpEQMzbwmq0FMKPDVxoC80Y
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