drk-ol.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
drk-ol.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 21:14:26 UTC · ↺ Refresh

MX Hostnames

  • drkol-de0i.mail.protection.outlook.com

MX Priorities

  • drkol-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 80.82.221.203 ↩ cms05.dml.dt-internet.de

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns01.dt-internet.de dnsadmin.dt-internet.de 3748003988 10800 3600 604800 1800
Primary NS (mname)
dns01.dt-internet.de
Admin Email (rname)
dnsadmin@dt-internet.de
Serial
3748003988
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dns01.dt-internet.de
dns05.d-t-internet.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.cloud.ci-solution.com include:spf.protection.outlook.com include:ihr-webspace.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

3 records
  • MS=ms41866208
  • SPFv=spf1 include:spf.cloud.ci-solution.com include:spf.protection.outlook.com include:ihr-webspace.de ~all
  • include:spf.cloud.ci-solution.com.
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