Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atsstl.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 14:04:32 UTC · ↺ Refresh
MX Hostnames
- d287151b.ess.barracudanetworks.com
- d287151a.ess.barracudanetworks.com
MX Priorities
- d287151b.ess.barracudanetworks.com: 5
- d287151a.ess.barracudanetworks.com: 5
A / AAAA Records
- 34.69.68.107 ↩ 107.68.69.34.bc.googleusercontent.com
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf_c.oraclecloud.com include:servers.mcsv.net include:spf.us.exclaimer.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
4 records- have-i-been-pwned-verification=dweb_ykq1jns2ndwlkdjtze4e7wlm
- atsstl-uscent-webapp-01.azurewebsites.net
- MS=ms20303440
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf_c.oraclecloud.com include:servers.mcsv.net include:spf.us.exclaimer.net -all
Full email verification for atsstl.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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