c21milestone.com

Valid Email Server
Domain Lookup › c21milestone.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
c21milestone.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 21:58:57 UTC · ↺ Refresh

MX Hostnames

  • mx001.netsol.xion.oxcs.net
  • mx002.netsol.xion.oxcs.net
  • mx004.netsol.xion.oxcs.net
  • mx003.netsol.xion.oxcs.net

MX Priorities

  • mx003.netsol.xion.oxcs.net: 10
  • mx001.netsol.xion.oxcs.net: 10
  • mx004.netsol.xion.oxcs.net: 10
  • mx002.netsol.xion.oxcs.net: 10

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 51.81.206.108 ↩ mx33.oxsus-vadesecure.net
  • 173.45.18.128 ↩ mx31.oxsus-vadesecure.net
  • 51.81.206.109 ↩ mx34.oxsus-vadesecure.net
  • 173.45.18.129 ↩ mx32.oxsus-vadesecure.net

SOA Record

Raw SOA ns17.worldnic.com namehost\@worldnic.com 124091301 10800 3600 604800 3600
Primary NS (mname)
ns17.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124091301
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns17.worldnic.com
ns18.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

3 records
  • ca3-443373fb77c0497fac72e02e1e9d5e35
  • ca3-28a94b8f561c4730b3c8225bdad6f335
  • SPFv=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all
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