Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colbyconstruction.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:09:41 UTC · ↺ Refresh
MX Hostnames
- d344067a.ess.barracudanetworks.com
- d344067b.ess.barracudanetworks.com
MX Priorities
- d344067b.ess.barracudanetworks.com: 10
- d344067a.ess.barracudanetworks.com: 5
A / AAAA Records
- 192.124.249.115 ↩ cloudproxy10115.sucuri.net
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns69.worldnic.com namehost.worldnic.com 125060516 10800 3600 604800 3600
Primary NS (mname)
ns69.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125060516
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns70.worldnic.com
ns69.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
3 records- MS=ms61218750
- google-site-verification=hkY4SHduAzjyuB1XVBnIS1XIXG0cy7u0N6R6R5I-z1Q
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
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