dreiblatt-bielefeld.de

Valid Email Server
Domain Lookup › dreiblatt-bielefeld.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dreiblatt-bielefeld.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 15:01:51 UTC · ↺ Refresh

MX Hostnames

  • dreiblattbielefeld-de02c.mail.protection.outlook.com

MX Priorities

  • dreiblattbielefeld-de02c.mail.protection.outlook.com: 10

A / AAAA Records

  • 84.19.11.2 ↩ pl02.comtrance.net

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.comtrance.de domain.comtrance.net 2023010630 28800 7200 604800 600
Primary NS (mname)
ns1.comtrance.de
Admin Email (rname)
domain@comtrance.net
Serial
2023010630
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.comtrance.de
ns2.comtrance.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf-all.comtrance.de include:spf.protection.outlook.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

✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
  • SPFv=spf1 a mx include:spf-all.comtrance.de include:spf.protection.outlook.com -all
  • MS=ms22112809
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