cecon.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-31 18:30:58 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 87.106.24.82 ↩ ip87-106-24-82.pbiaas.com

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA wonderland.cecon.de admin.wonderland.cecon.de.cecon.de 2026030501 28800 7200 604800 86400
Primary NS (mname)
wonderland.cecon.de
Admin Email (rname)
admin@wonderland.cecon.de.cecon.de
Serial
2026030501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns01.cecon.de
ns03.cecon.de
ns02.cecon.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:45.91.212.1 ip4:45.91.213.1 ip4:45.91.214.1 a:certrelay.cecon.de a:smtp.cecon.de a:mailgw.electronicsales.de include:agenturserver.de include:spf.gntel.de include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 8/10
✓ 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
  • google-site-verification=4RGRGdzrUIBL2TRaqfD5eVAnTrU43xyvoF7reY7--Us
  • SPFv=spf1 mx ip4:45.91.212.1 ip4:45.91.213.1 ip4:45.91.214.1 a:certrelay.cecon.de a:smtp.cecon.de a:mailgw.electronicsales.de include:agenturserver.de include:spf.gntel.de include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
  • swisssign-check=U9aJA_y9qW3PesGYRFu5R5YcOFA
  • apple-domain-verification=n4qYXUduTVrABvrt
  • MS=DB1C73383D9FDC870C1FEE9335E41A5170AF35B1
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