Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hoerl-hartmann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 03:34:18 UTC · ↺ Refresh
MX Hostnames
- hoerlhartmann-de01c.mail.protection.outlook.com
MX Priorities
- hoerlhartmann-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.251 ↩ 217-160-0-251.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1028.ui-dns.org hostmaster.1und1.com 2017060200 28800 7200 604800 600
Primary NS (mname)
ns1028.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1125.ui-dns.com
ns1031.ui-dns.biz
ns1048.ui-dns.de
ns1028.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
- brevo-code:8166a1eb61a15d44ab5a2bfc705836a8
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