Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bierwirth-kluth.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 11:31:07 UTC · ↺ Refresh
MX Hostnames
- bierwirthkluth-de02c.mail.protection.outlook.com
MX Priorities
- bierwirthkluth-de02c.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.71 ↩ 217-160-0-71.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1106.ui-dns.org hostmaster.1und1.de 2017073165 28800 7200 604800 300
Primary NS (mname)
ns1106.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017073165
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1106.ui-dns.com
ns1106.ui-dns.biz
ns1106.ui-dns.de
ns1106.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:2.207.221.226 ip4:151.193.18.41 ip4:213.30.217.48 include:ltxmail.synxis.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- MS=2B4195445C45BFEE8C6AC8BBACE8D3FA4A30C614
- apple-domain-verification=hjfu0MW8ZzTde5OI
- v=verifydomain MS=5340760
- QiJ9nOFEe9OgaeSwxW2D3IIO7Yuk4LSc
- SPFv=spf1 a mx ip4:2.207.221.226 ip4:151.193.18.41 ip4:213.30.217.48 include:ltxmail.synxis.com include:spf.protection.outlook.com ~all
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