Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dulcinea.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:09:33 UTC · ↺ Refresh
MX Hostnames
- d335172a.ess.barracudanetworks.com
- d335172b.ess.barracudanetworks.com
MX Priorities
- d335172a.ess.barracudanetworks.com: 10
- d335172b.ess.barracudanetworks.com: 10
A / AAAA Records
- 54.147.121.153 ↩ ec2-54-147-121-153.compute-1.amazonaws.com
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
ns20.digicertdns.com dns.digicertdns.com 2009010179 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010179
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns22.digicertdns.com
ns20.digicertdns.com
ns21.digicertdns.com
ns25.digicertdns.net
ns24.digicertdns.net
ns23.digicertdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- VOI3DI6TZ3ZDNDW6ZKVOBO6A56ZQ5LCYFC2ZKHO5
- MS=ms71830984
- ms53802045
- knowbe4-site-verification=db07369c51da370f3655cdcb375a46b2
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
Full email verification for dulcinea.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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