kelvin-online.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kelvin-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 18:45:49 UTC · ↺ Refresh

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MX Hostnames

  • mail.kelvin-online.de

MX Priorities

  • mail.kelvin-online.de: 10

A / AAAA Records

  • 94.130.216.214 ↩ zimbra.spengler-inter.net

Mail Server IPs

  • 128.65.144.226 ↩ mail.kelvin-online.de

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2025012900 14400 1800 604800 60
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2025012900
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
60s

Nameservers (NS)

robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

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

2 records
  • SPFv=spf1 mx ~all
  • google-site-verification=MxbY2p4iPOUqkr3PfKJR-isUtN86HsMkf39bYegOj2c
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