katr.com

Valid Email Server
Domain Lookup › katr.com

Domain Overview

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

Checked via [email protected] · 2026-03-24 02:38:32 UTC · ↺ Refresh

MX Hostnames

  • mx.runbox.com

MX Priorities

  • mx.runbox.com: 0

A / AAAA Records

  • 209.20.75.232 (no PTR)

Mail Server IPs

  • 185.226.149.25 ↩ aibo.runbox.com

SOA Record

Raw SOA ns1.slicehost.net ipadmin.stabletransit.com 1684293057 3600 300 1814400 300
Primary NS (mname)
ns1.slicehost.net
Admin Email (rname)
ipadmin@stabletransit.com
Serial
1684293057
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s

Nameservers (NS)

ns3.slicehost.net
ns1.slicehost.net
ns2.slicehost.net

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=spf.runbox.com
📊 DNS lookups: 1/10

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
  • SPFv=spf1 redirect=spf.runbox.com
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