Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buesingcorp.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 06:17:15 UTC · ↺ Refresh
MX Hostnames
- d296872a.ess.barracudanetworks.com
- d296872b.ess.barracudanetworks.com
MX Priorities
- d296872a.ess.barracudanetworks.com: 10
- d296872b.ess.barracudanetworks.com: 20
A / AAAA Records
- 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
- 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
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
ns95.worldnic.com namehost.worldnic.com 125092216 10800 3600 604800 3600
Primary NS (mname)
ns95.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125092216
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns96.worldnic.com
ns95.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
6 records- smartsheet-site-validation=au-XVUbKa8cEG_7Ocx10bL4WsWokU4fV
- SPFv=spf1 mx a include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.ess.barracudanetworks.com -all
- MS=ms61174288
- ad0mq1aeqeaqm3rqnk6d2vm7s3
- apple-domain-verification=37WrxAYAgff3HlTA
- autodesk-domain-verification=vTdwa3-jHHihPTgLnwiC
Full email verification for buesingcorp.com
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