Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dkblaw.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 05:51:09 UTC · ↺ Refresh
MX Hostnames
- d77207a.ess.barracudanetworks.com
- d77207b.ess.barracudanetworks.com
MX Priorities
- d77207a.ess.barracudanetworks.com: 10
- d77207b.ess.barracudanetworks.com: 20
A / AAAA Records
- 72.52.232.4 ↩ nova.jbsystemsllc.us
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns77.worldnic.com namehost.worldnic.com 125101010 10800 3600 604800 3600
Primary NS (mname)
ns77.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125101010
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns77.worldnic.com
ns78.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
- MS=ms48617624
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