unitybrick.com

Valid Email Server
Domain Lookup › unitybrick.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 21:29:54 UTC · ↺ Refresh

MX Hostnames

  • mail.unitybrick.com

MX Priorities

  • mail.unitybrick.com: 5

A / AAAA Records

  • 54.208.176.137 ↩ server.ctsgraphics.co

Mail Server IPs

  • 54.208.184.123 ↩ server.ctsgraphics.co

SOA Record

Raw SOA ns5.ctsgraphics.co placeholder.ctsgraphics.net 1768871026 10800 3600 604800 10800
Primary NS (mname)
ns5.ctsgraphics.co
Admin Email (rname)
placeholder@ctsgraphics.net
Serial
1768871026
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns4.ctsgraphics.co
ns5.ctsgraphics.co

SPF Record

✓ Strict (-all)
v=spf1 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 5 chars (valid)
⚠ Public key too short (5 chars) — DKIM may be invalid.

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

All TXT Records

1 record
  • SPFv=spf1 +a +mx -all
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