russ.biz

Valid Email Server
Domain Lookup › russ.biz

Domain Overview

DNS: ✓ 22h ago Checker: ✓ 22h ago
russ.biz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 19:40:22 UTC · ↺ Refresh

MX Hostnames

  • in2-smtp.messagingengine.com
  • in1-smtp.messagingengine.com

MX Priorities

  • in1-smtp.messagingengine.com: 10
  • in2-smtp.messagingengine.com: 20

A / AAAA Records

  • 103.168.172.52
  • 103.168.172.37

Mail Server IPs

  • 103.168.172.217 ↩ phl-mx-02.messagingengine.com
  • 103.168.172.218 ↩ phl-mx-03.messagingengine.com
  • 103.168.172.219 ↩ phl-mx-04.messagingengine.com
  • 103.168.172.220 ↩ phl-mx-05.messagingengine.com
  • 103.168.172.221 ↩ phl-mx-06.messagingengine.com
  • 103.168.172.222 ↩ phl-mx-07.messagingengine.com
  • 103.168.172.223 ↩ phl-mx-08.messagingengine.com
  • 103.168.172.216 ↩ phl-mx-01.messagingengine.com
  • 202.12.124.217 ↩ stl-mx-02.messagingengine.com
  • 202.12.124.216 ↩ stl-mx-01.messagingengine.com
  • 202.12.124.219
  • 202.12.124.218

SOA Record

Raw SOA isla.ns.cloudflare.com dns.cloudflare.com 2403814950 10000 2400 604800 1800
Primary NS (mname)
isla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403814950
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

josh.ns.cloudflare.com
isla.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.messagingengine.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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 include:spf.messagingengine.com -all
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