Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
intellectual.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 23:54:16 UTC · ↺ Refresh
MX Hostnames
- d181081b.ess.barracudanetworks.com
- d181081a.ess.barracudanetworks.com
MX Priorities
- d181081b.ess.barracudanetworks.com: 10
- d181081a.ess.barracudanetworks.com: 5
A / AAAA Records
- 192.124.249.9 ↩ cloudproxy10009.sucuri.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
ns81.worldnic.com namehost.worldnic.com 123110117 10800 3600 604800 3600
Primary NS (mname)
ns81.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
123110117
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns81.worldnic.com
ns82.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ 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 include:spf.protection.outlook.com -all
- MS=ms95097767
- ea51372a3969cfb8cc96d98fe2198877
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