Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
advantagehcs.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 21:09:38 UTC · ↺ Refresh
MX Hostnames
- d134437b.ess.barracudanetworks.com
- d134437a.ess.barracudanetworks.com
MX Priorities
- d134437a.ess.barracudanetworks.com: 10
- d134437b.ess.barracudanetworks.com: 20
A / AAAA Records
- 35.231.83.197 ↩ 197.83.231.35.bc.googleusercontent.com
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
ns1.domain.com dnsadmin.domain.com 126032718 10800 3600 604800 3600
Primary NS (mname)
ns1.domain.com
Admin Email (rname)
dnsadmin@domain.com
Serial
126032718
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.yourhostingaccount.com
ns1.yourhostingaccount.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]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._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- MS=26F512E77E89E48A22B9B98FB34002E433EDD1EC
- b4he46p7h3t5u5795prsfq0ioh
- MS=ms96802723
- logmein-verification-code=Nxv8fl1X1wP2YxGMQAgwnwnNz
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for advantagehcs.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits