cordio.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-04 21:11:37 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 213.95.81.32 (no PTR)

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.schmetterling.de rebecca\.kaden.schmetterling.de 2025042900 39940 14400 604800 43200
Primary NS (mname)
ns01.schmetterling.de
Admin Email (rname)
rebecca\@kaden.schmetterling.de
Serial
2025042900
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

ns02.schmetterling.de
ns03.schmetterling.de
ns04.schmetterling.de
ns01.schmetterling.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx ip4:213.95.81.30 ip4:213.95.81.248 include:schmetterling-argus.de include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ 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: 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

2 records
  • MS=ms85146419
  • SPFv=spf1 include:spf.protection.outlook.com mx ip4:213.95.81.30 ip4:213.95.81.248 include:schmetterling-argus.de include:spf.crsend.com -all
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