Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csc-usa.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:50:02 UTC · ↺ Refresh
MX Hostnames
- d345038a.ess.barracudanetworks.com
- d345038b.ess.barracudanetworks.com
MX Priorities
- d345038b.ess.barracudanetworks.com: 10
- d345038a.ess.barracudanetworks.com: 1
A / AAAA Records
- 151.101.1.195 (no PTR)
- 151.101.65.195 (no PTR)
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
ns13.worldnic.com namehost.worldnic.com 126030214 10800 3600 604800 3600
Primary NS (mname)
ns13.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030214
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns13.worldnic.com
ns14.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms19965299
- openai-domain-verification=dv-S7aJxfY2uzwXiCuQ40S3ZMAj
- bec96ad608fc79acccfcb3ef2dd633b6
- google-site-verification=KERhjlgpXcJFVmrGseUtkrqIsxPoM-oNlDo-ZPLmc8o
- google-site-verification=bOESKvj7q6zh_Yku4k3iUgC1431FDdzUrqrzwqHzCpo
- firebase=csc-usa-prod
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
Full email verification for csc-usa.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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