Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smart-insights.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:46:49 UTC · ↺ Refresh
MX Hostnames
- smartinsights-de01c.mail.protection.outlook.com
MX Priorities
- smartinsights-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.162 ↩ 217-160-0-162.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::241 ↩ 2001-08d8-100f-f000-0000-0000-0000-0241.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1095.ui-dns.org hostmaster.1und1.com 2017060167 28800 7200 604800 600
Primary NS (mname)
ns1095.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060167
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1043.ui-dns.com
ns1051.ui-dns.de
ns1095.ui-dns.org
ns1060.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:8387081.spf03.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=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
2 records- google-site-verification=hYKmnSbanY8-ZxLh5iq_mtHcDk5Vb9zfFAIglD9u-9w
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:8387081.spf03.hubspotemail.net -all
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