Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frank-buchholz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:31:16 UTC · ↺ Refresh
MX Hostnames
- frankbuchholz-de01c.mail.protection.outlook.com
MX Priorities
- frankbuchholz-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.150 ↩ 217-160-0-150.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::281 ↩ 2001-08d8-100f-f000-0000-0000-0000-0281.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1054.ui-dns.com hostmaster.kundenserver.de 2017070554 28800 7200 604800 300
Primary NS (mname)
ns1054.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017070554
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1054.ui-dns.org
ns1054.ui-dns.biz
ns1054.ui-dns.com
ns1054.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 include:spf.protection.outlook.com ~all
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