unboundagency.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
unboundagency.com
Yes
โœ“ Yes
Barracuda
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-28 02:52:11 UTC ยท โ†บ Refresh

MX Hostnames

  • d198083b.ess.barracudanetworks.com
  • d198083a.ess.barracudanetworks.com

MX Priorities

  • d198083b.ess.barracudanetworks.com: 10
  • d198083a.ess.barracudanetworks.com: 5

A / AAAA Records

  • 151.101.66.159 (no PTR)

Mail Server IPs

  • 209.222.82.253 โ†ฉ mail.ess.barracuda.com
  • 209.222.82.255 โ†ฉ mail.ess.barracuda.com
  • 209.222.82.252 โ†ฉ mail.ess.barracuda.com

SOA Record

Raw SOA ns-1126.awsdns-12.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1126.awsdns-12.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-29.awsdns-03.com
ns-710.awsdns-24.net
ns-1126.awsdns-12.org
ns-1820.awsdns-35.co.uk

SPF Record

โœ“ Soft Fail (~all)
v=spf1 a ip4:208.87.156.226/32 ip4:208.87.156.231/32 ip4:208.87.156.240/32 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
๐Ÿ“Š DNS lookups: 3/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 a ip4:208.87.156.226/32 ip4:208.87.156.231/32 ip4:208.87.156.240/32 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
  • MS=ms95026532
  • gsD4nBbrObURPFSqZt3+Sq3AG0Homl0USilp01VEArkif30+76jQkhr2aQCmmLckV8zACwPZLd9EVDGwZzHrgw==
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for unboundagency.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits