Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marshallbr.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 00:17:52 UTC · ↺ Refresh
MX Hostnames
- d307427a.ess.barracudanetworks.com
- d307427b.ess.barracudanetworks.com
MX Priorities
- d307427a.ess.barracudanetworks.com: 0
- d307427b.ess.barracudanetworks.com: 10
A / AAAA Records
- 23.185.0.4 (no PTR)
- 2620:12a:8000::4 (no PTR)
- 2620:12a:8001::4 (no PTR)
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
ns39.domaincontrol.com dns.jomax.net 2025060502 28800 7200 604800 3600
Primary NS (mname)
ns39.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025060502
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns39.domaincontrol.com
ns40.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:leaptodigital.com ip4:209.222.82.0/24 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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
5 records- klaviyo-site-verification=Rcn6R7
- SPFv=spf1 include:leaptodigital.com ip4:209.222.82.0/24 ~all
- google-site-verification=jW9g4CxeyCkPROr2Lt6d98bYWK_BG7l4cVhSJ4fD3r8
- MS=ms37271560
- google-site-verification=Jwnza775tj9DNlVfVFmiwkkv0R5tNwpbxiC92zyN9Zc
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 marshallbr.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits