coftech.de

Valid Email Server
Domain Lookup › coftech.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coftech.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 18:56:50 UTC · ↺ Refresh

MX Hostnames

  • smtp-backup1.portunity.de
  • smtp-backup2.portunity.de
  • coftech.ddns.net

MX Priorities

  • smtp-backup2.portunity.de: 30
  • smtp-backup1.portunity.de: 20
  • coftech.ddns.net: 10

A / AAAA Records

  • 217.160.0.209 ↩ 217-160-0-209.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 37.120.186.72 ↩ smtp-backup2-2.portunity.de
  • 2a03:4000:f:5b9::25 ↩ smtp-backup2-2.portunity.de
  • 217.144.128.54 ↩ smtp-backup1.portunity.de
  • 2a02:a00::2:0:0:54 ↩ smtp-backup1.portunity.de
  • 87.139.37.143 ↩ p578b258f.dip0.t-ipconnect.de

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024122358 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024122358
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.org
ns.udag.net
ns.udag.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mail.coftech.de include:_smtp.udag.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

3 records
  • MS=ms85502859
  • SPFv=spf1 a:mail.coftech.de include:_smtp.udag.de ~all
  • brevo-code:6d1039f824299308642f7f27acaab1a7
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