Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sed-co.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:46:11 UTC · ↺ Refresh
MX Hostnames
- d263420a.ess.barracudanetworks.com
- d263420b.ess.barracudanetworks.com
MX Priorities
- d263420a.ess.barracudanetworks.com: 10
- d263420b.ess.barracudanetworks.com: 20
A / AAAA Records
- 208.81.72.33 ↩ www11.acainc.net
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1.acainc.net hostmaster.acainc.net 39 3600 600 86400 3600
Primary NS (mname)
ns1.acainc.net
Admin Email (rname)
hostmaster@acainc.net
Serial
39
Refresh
3600s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns1.acainc.net
ns2.acainc.net
SPF Record
✓ Strict (-all)
v=spf1 a ip4:208.81.72.0/21 ip4:23.30.213.81/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 a ip4:208.81.72.0/21 ip4:23.30.213.81/32 -all
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