Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
improveitusa.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 03:32:48 UTC · ↺ Refresh
MX Hostnames
- d358508b.ess.barracudanetworks.com
- d358508a.ess.barracudanetworks.com
- improveitusa-com.mail.protection.outlook.com
- reply.s12.exacttarget.com
MX Priorities
- d358508a.ess.barracudanetworks.com: 0
- d358508b.ess.barracudanetworks.com: 10
- improveitusa-com.mail.protection.outlook.com: 99
- reply.s12.exacttarget.com: 40
A / AAAA Records
- 173.248.187.40
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
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c927::1
- 13.110.204.15
SOA Record
Raw SOA
ns15.domaincontrol.com dns.jomax.net 2026030304 28800 7200 604800 3600
Primary NS (mname)
ns15.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030304
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns16.domaincontrol.com
ns15.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.196.217.114/29 include:spf.protection.outlook.com include:mktomail.com include:spf.mandrillapp.com ~all include:leaptodigital.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
12 records- facebook-domain-verification=d5p1lidtg6viq38xdehk1wmyn2a086
- google-site-verification=tzpA7uellVKl9k50aXIoKbhedczlKSwwInnLCcisbIo
- apple-domain-verification=tbCrPuGNV414tFGI
- SPFv=spf1 ip4:12.196.217.114/29 include:spf.protection.outlook.com include:mktomail.com include:spf.mandrillapp.com ~all include:leaptodigital.com -all
- google-site-verification=gfR5gqP00nlmiJKXpNRnBz7vg3m10rpg6lMrkhe3sc0
- d358508a.ess.barracudanetworks.com
- SPFv=spf1 include:secureserver.net v=spf1 include:_spf.salesforce.com include:exacttarget.com ~all
- yahoo-verification-key=JIRwClS+1NrCIxcg2KUcjr25KCxWu0yT6sxUdAhU3pg=
- DNhgPQIg/r4lv8R7k+hRJ0ygbMb9kQhFevC5TE4h7ia8ZI/qSPMyhplQaQdZ6PZGbLMFEUX3ClHxzcrOrHCtIA==
- google-site-verification=zjnsk2w6l3MxdvbPBQZLGnjksZIHxfQ9Oyn9SKAOpkA
- google-site-verification=QaIq-qlYCPizOCgtKFRCucCnPF5RlagC9NS3SNo-0YM
- v=verifydomain MS=6877545
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 improveitusa.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits