colt.de

Valid Email Server
Domain Lookup › colt.de

Domain Overview

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

Checked via [email protected] · 2026-03-29 20:36:02 UTC · ↺ Refresh

MX Hostnames

  • mx.colt.net

MX Priorities

  • mx.colt.net: 200

A / AAAA Records

  • 62.116.130.8 ↩ redirect.domain-robot.org

Mail Server IPs

  • 212.74.77.101 ↩ mc21.lon.server.colt.net

SOA Record

Raw SOA ns0.de.colt.net eudnsmaster.colt.net 2026031900 10000 3600 604800 3600
Primary NS (mname)
ns0.de.colt.net
Admin Email (rname)
eudnsmaster@colt.net
Serial
2026031900
Refresh
10000s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns0.de.colt.net
ns8.colt.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

1 record
  • MS=ms47106045
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