colinbyrne.com

Valid Email Server
Domain Lookup › colinbyrne.com

Domain Overview

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

Checked via [email protected] · 2026-03-24 03:50:27 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.18.120.91 (no PTR)
  • 104.18.119.91 (no PTR)
  • 2606:4700::6812:775b (no PTR)
  • 2606:4700::6812:785b (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA amy.ns.cloudflare.com dns.cloudflare.com 2399283942 10000 2400 604800 1800
Primary NS (mname)
amy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399283942
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

amy.ns.cloudflare.com
byron.ns.cloudflare.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

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all
  • google-site-verification=UedA9zJUaJpmyXI72rdk5nSUKQ5OLMFtJQRmwt_hdeA
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