contelos.de

Valid Email Server
Domain Lookup › contelos.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 21:58:59 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 145.253.125.67 ↩ mx2.contelos.de

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.contelos.de it-service.contelos.de 2026012901 28800 7200 1814400 7200
Primary NS (mname)
ns1.contelos.de
Admin Email (rname)
it-service@contelos.de
Serial
2026012901
Refresh
28800s
Retry
7200s
Expire
1814400s
Minimum TTL
7200s

Nameservers (NS)

ns1.contelos.de
ns1.arcor-ip.de
ns3.arcor-ip.de
ns2.arcor-ip.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.mailtastic.com ip4:145.253.125.64/28 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms33866836
  • google-site-verification=VE5YJXh6yX1M32zdYtvCWpvGLO_aLl7kXtDkygQlcig
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.mailtastic.com ip4:145.253.125.64/28 ~all
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