columbus-leasing.de

Valid Email Server
Domain Lookup › columbus-leasing.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
columbus-leasing.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 16:59:50 UTC · ↺ Refresh

MX Hostnames

  • columbusleasing-de02b.mail.protection.outlook.com

MX Priorities

  • columbusleasing-de02b.mail.protection.outlook.com: 10

A / AAAA Records

  • 13.51.62.86 ↩ ec2-13-51-62-86.eu-north-1.compute.amazonaws.com

Mail Server IPs

  • 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
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.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
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1041.ui-dns.biz hostmaster.1und1.com 2017060132 28800 7200 604800 600
Primary NS (mname)
ns1041.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060132
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1041.ui-dns.biz
ns1021.ui-dns.de
ns1051.ui-dns.com
ns1106.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 a a:mail.columbus.ag include:inxserver.com include:ispgateway.de include:spf.protection.outlook.com include:spf.cloud.ci-solution.com include:144377533.spf04.hubspotemail.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

7 records
  • SPFv=spf1 a a:mail.columbus.ag include:inxserver.com include:ispgateway.de include:spf.protection.outlook.com include:spf.cloud.ci-solution.com include:144377533.spf04.hubspotemail.net -all
  • atlassian-domain-verification=LOYudHQR6sy739ook4mtvRaIyJNC9ZitEGC1tyG6b8aAmO8PmVVA4XDIwDgKIy6j
  • MS=ms87748787
  • atlassian-domain-verification=AgvQgVsBojUFpiAiU/cqnHnC1AfwvO/CTxFG8J2iqATx5e8TNEIAHewaj1e4aaPu
  • Rp+HK7c2D8YWCpdaoCmxBfkzJXk5ATwNBudR++kehLZYot4nd8JNbBYlv4Bxo3MpTkte402VUhd9ZLWzrXazCA==
  • atlassian-sending-domain-verification=b7eb8cf3-2193-4857-9eff-ee7c4d36f0d5
  • apple-domain-verification=qC5wTKelJ7aby3OT
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