Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vosct.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 00:36:56 UTC · ↺ Refresh
MX Hostnames
- d117327a.ess.barracudanetworks.com
- d117327b.ess.barracudanetworks.com
MX Priorities
- d117327b.ess.barracudanetworks.com: 20
- d117327a.ess.barracudanetworks.com: 10
A / AAAA Records
- 209.23.9.32 (no PTR)
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
ns-1.netsynergy.com support.cloudns.net 2025061602 7200 1800 1209600 3600
Primary NS (mname)
ns-1.netsynergy.com
Admin Email (rname)
support@cloudns.net
Serial
2025061602
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns-1.netsynergy.com
ns-6.netsynergy.com
ns-5.netsynergy.com
ns-4.netsynergy.com
ns-2.netsynergy.com
ns-3.netsynergy.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx ip4:205.246.18.231 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
3 records- 4ilmdfngvkml18tqmr461fepob
- SPFv=spf1 +a +mx ip4:205.246.18.231 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
- MS=ms95400853
Full email verification for vosct.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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