Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
coredesigninc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 23:21:08 UTC · ↺ Refresh
MX Hostnames
- d360551b.ess.barracudanetworks.com
- d360551a.ess.barracudanetworks.com
MX Priorities
No priority data.
A / AAAA Records
- 104.130.178.229
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns88.worldnic.com
ns87.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:167.89.11.197 include:spf.protection.outlook.com include:sendgrid.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:167.89.11.197 include:spf.protection.outlook.com include:sendgrid.net -all
- spycloud-domain-verification=e09069bc-d387-4c70-bbcb-df5de4fcc4df
- MS=ms40699349
Full email verification for coredesigninc.com
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