rsmbiz.com

Valid Email Server
Domain Lookup › rsmbiz.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rsmbiz.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 02:36:19 UTC · ↺ Refresh

MX Hostnames

  • spam.rsmbiz.com

MX Priorities

  • spam.rsmbiz.com: 10

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 66.187.167.209 ↩ spam.rsmbiz.com

SOA Record

Raw SOA ns01.domaincontrol.com dns.jomax.net 2026030302 28800 7200 604800 600
Primary NS (mname)
ns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030302
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns02.domaincontrol.com
ns01.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.em.secureserver.net +a +mx +ip4:216.189.10.50 +ip4:70.231.56.137 include:spf.protection.outlook.com include:spam.rsmbiz.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

5 records
  • SPFv=spf1 include:spf.em.secureserver.net +a +mx +ip4:216.189.10.50 +ip4:70.231.56.137 include:spf.protection.outlook.com include:spam.rsmbiz.com -all
  • MS=05FE85561EE3B560D26AAB8EE06A47AFB933ED27
  • google-site-verification=YKr4tyAkj42wn3oJTXCydPn45gpGU5kD7V-ezpC5yfk
  • ifv1nvdr3mu1ufe4gbviq1bfi8
  • v=verifydomain MS=5393507
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