Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ensure-online.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 14:25:39 UTC · ↺ Refresh
MX Hostnames
- ensureonline-de01e.mail.protection.outlook.com
MX Priorities
- ensureonline-de01e.mail.protection.outlook.com: 0
A / AAAA Records
- 167.235.199.115 ↩ static.115.199.235.167.clients.your-server.de
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.kcs-netz.de hostmaster.ensure-online.de 2017060600 86400 7200 3600000 172800
Primary NS (mname)
ns1.kcs-netz.de
Admin Email (rname)
hostmaster@ensure-online.de
Serial
2017060600
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns1.kcs-netz.de
ns2.kcs-netz.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.sendinblue.com ip4:138.201.55.188 a:a75.kcs-server.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._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
5 records- google-site-verification=mxg-TZ37lCCRwzHQGXCh8ymSHaBoTPzgBGgoM0iW-T8
- Sendinblue-code:9a906b48fb016161f8afdc634789031d
- google-site-verification=PBR3aL4PpSNyCk-UEIuN31RVP34HoVZ58mdFBr2lUeI
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.sendinblue.com ip4:138.201.55.188 a:a75.kcs-server.de -all
- amazonses:xsuQfJo3q0E77lXHWSgM2ghfH2ApNerwLHoONJv/FZE=
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