3mar.net

Valid Email Server
Domain Lookup › 3mar.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
3mar.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 05:12:03 UTC · ↺ Refresh

MX Hostnames

  • mx.runbox.com

MX Priorities

  • mx.runbox.com: 1

A / AAAA Records

  • 75.81.43.134 ↩ syn-075-081-043-134.res.spectrum.com

Mail Server IPs

  • 185.226.149.25 ↩ aibo.runbox.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1644532795 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1644532795
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

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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