msjconcrete.com

Valid Email Server
Domain Lookup › msjconcrete.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 07:18:13 UTC · ↺ Refresh

MX Hostnames

  • mx1-hosting.jellyfish.systems
  • mx2-hosting.jellyfish.systems
  • mx3-hosting.jellyfish.systems

MX Priorities

  • mx3-hosting.jellyfish.systems: 20
  • mx1-hosting.jellyfish.systems: 5
  • mx2-hosting.jellyfish.systems: 10

A / AAAA Records

  • 104.21.1.203 (no PTR)
  • 172.67.129.231 (no PTR)
  • 2606:4700:3034::6815:1cb (no PTR)
  • 2606:4700:3034::ac43:81e7 (no PTR)

Mail Server IPs

  • 162.255.118.13 ↩ mx3-hosting.jellyfish.systems
  • 162.255.118.28 ↩ oxse3a.privateemail.com
  • 162.255.118.29 ↩ oxse2b.privateemail.com

SOA Record

Raw SOA charles.ns.cloudflare.com dns.cloudflare.com 2399550736 10000 2400 604800 1800
Primary NS (mname)
charles.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399550736
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

charles.ns.cloudflare.com
priscilla.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:162.0.229.212 include:spf.web-hosting.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 +a +mx +ip4:162.0.229.212 include:spf.web-hosting.com ~all
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