Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holz-mayrhofer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 19:43:31 UTC · ↺ Refresh
MX Hostnames
- holzmayrhofer-de01b.mail.protection.outlook.com
MX Priorities
- holzmayrhofer-de01b.mail.protection.outlook.com: 0
A / AAAA Records
- 20.76.141.0 (no PTR)
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com ip4:89.28.138.42 ip4:89.28.143.106 ip4:89.28.143.156 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- apple-domain-verification=N4yMbftWZKPOm0NcJIMsCI88IDuQdrGOvxEBzGJQtfI
- brevo-code:4aa45b65b43dd70d4691f6969e9ba9e9
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com ip4:89.28.138.42 ip4:89.28.143.106 ip4:89.28.143.156 -all
- mscid=mRZpv2i0g8qqnHvUm3QQEpIeCRCrxjpUOuUsKOxVzN5cawWttJzU115EClHzTKsj50wR4jtUqdf75EHyolW3uw==
- google-site-verification=PIvWYALUD6b5C4Q3CQ_ufou85dQQ7hINF4FZ-JjqxeY
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