Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gulfcoastairsystems.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:53:30 UTC · ↺ Refresh
MX Hostnames
- d322819a.ess.barracudanetworks.com
- d322819b.ess.barracudanetworks.com
MX Priorities
- d322819a.ess.barracudanetworks.com: 0
- d322819b.ess.barracudanetworks.com: 10
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (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
kimora.ns.cloudflare.com dns.cloudflare.com 2399223313 10000 2400 604800 1800
Primary NS (mname)
kimora.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399223313
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
seamus.ns.cloudflare.com
kimora.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:103.47.207.197/32 include:spf.encrypttitan.net include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=3600; aspf=s; adkim=r; fo=0:1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
7 records- MS=ms28911290
- duo_sso_verification=QnzzTKLtztCgLtOGd3cc7mhjZPtH3lr8CyI8N3jlHCJXyIY4ZA5zd1wg93kcrFy7
- google-site-verification=29ZG3jjVc4U39mDMY30-3ad8hTGjpgs69EHBL00nuy0
- google-site-verification=U0y8oU1T6TIxcsFlB8L9QTAygh-jlkc4fiSHn-dAbII
- SPFv=spf1 a mx ip4:103.47.207.197/32 include:spf.encrypttitan.net include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- w6snry2fqk2h69k6xb9zdwn1q89m59tv
- 2j5fv2rpjy4wgryq5zr760n1tm86f9zz
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