Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pstgo.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 15:30:52 UTC · ↺ Refresh
MX Hostnames
- d355100b.ess.barracudanetworks.com
- d355100a.ess.barracudanetworks.com
MX Priorities
- d355100b.ess.barracudanetworks.com: 99
- d355100a.ess.barracudanetworks.com: 99
A / AAAA Records
- 104.21.18.82 (no PTR)
- 172.67.181.63 (no PTR)
- 2606:4700:3032::6815:1252 (no PTR)
- 2606:4700:3037::ac43:b53f (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
aaron.ns.cloudflare.com dns.cloudflare.com 2399252064 10000 2400 604800 1800
Primary NS (mname)
aaron.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399252064
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aaron.ns.cloudflare.com
noor.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
5 records- apple-domain-verification=YtpUhOhpykkSQoPZ
- google-site-verification=RdinnkFwG_JCRyAhMLw4nUpY9EBiYBWJb2XFJXaRB24
- openai-domain-verification=dv-s4UqHGORUAkyHCATiXesaVW8
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
- MS=ms18843162
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