Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sstsun.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 19:18:24 UTC · ↺ Refresh
MX Hostnames
- d226656a.ess.barracudanetworks.com
- d226656b.ess.barracudanetworks.com
MX Priorities
- d226656b.ess.barracudanetworks.com: 20
- d226656a.ess.barracudanetworks.com: 10
A / AAAA Records
- 199.16.173.11 (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
dns1.name-services.com info.name-services.com 1773434217 172800 900 1814400 300
Primary NS (mname)
dns1.name-services.com
Admin Email (rname)
info@name-services.com
Serial
1773434217
Refresh
172800s
Retry
900s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
dns4.name-services.com
dns1.name-services.com
dns5.name-services.com
dns3.name-services.com
dns2.name-services.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.constantcontact.com include:on.spiceworks.com include:sstsuncloud.on.spiceworks.com include:sendgrid.net include:spf-westus.emailsignatures365.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
1 record- SPFv=spf1 mx a include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.constantcontact.com include:on.spiceworks.com include:sstsuncloud.on.spiceworks.com include:sendgrid.net include:spf-westus.emailsignatures365.com ~all
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