coreum.de

Valid Email Server
Domain Lookup › coreum.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coreum.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-24 21:15:08 UTC · ↺ Refresh

MX Hostnames

  • coreum-de.mail.protection.outlook.com

MX Priorities

  • coreum-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.88.214.221 ↩ srv-a-io.c-1271.maxcluster.net

Mail Server IPs

  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024090310 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024090310
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.net
ns.udag.de
ns.udag.org

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spf.nl2go.com include:spf.cloud.ci-solution.com include:kiesel.qualitus.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • d365mktkey=h1rRWx0P7DhZc8W9xLFWbi8X54mpS9M0dbuiItCWhVcx
  • SPFv=spf1 mx include:spf.protection.outlook.com include:spf.nl2go.com include:spf.cloud.ci-solution.com include:kiesel.qualitus.net -all
  • MS=ms18973467
  • y5XIS1Y7I/rEtJD7H53ZK1ujuxhMqRDGTwjouE//+qpPRqv4zvUyYzXISAuI6TTkGv8aO9MiqueEL42qIQLVCw==
  • bw=JOPmYajoGq8qFHRy5Dfh4USHguW1j231Xc7qMuUPo8x8
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