Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
itsllcusa.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 04:18:27 UTC · ↺ Refresh
MX Hostnames
- d234757b.ess.barracudanetworks.com
- d234757a.ess.barracudanetworks.com
MX Priorities
- d234757b.ess.barracudanetworks.com: 5
- d234757a.ess.barracudanetworks.com: 5
A / AAAA Records
- 209.17.116.163 (no PTR)
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
ns57.worldnic.com namehost.worldnic.com 126042310 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126042310
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns57.worldnic.com
ns58.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:4316714.spf04.hubspotemail.net ip4:207.110.231.32/29 ip4:67.53.135.84/30 ip4:52.1.22.130 ip4:52.1.25.104 ip4:52.200.152.15 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
5 records- autodesk-domain-verification=CzlFfWiu0yoixYBclRm0
- MS=ms86034928
- infor-cloudsuite-domain-verification=L9MCUPMFAURZM255QYE7UVCVRT6ZZ7HAWVMDV4E9LGT5LRWSDRVBFQ7X9TFFJ3ZB
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:4316714.spf04.hubspotemail.net ip4:207.110.231.32/29 ip4:67.53.135.84/30 ip4:52.1.22.130 ip4:52.1.25.104 ip4:52.200.152.15 -all
- cisco-ci-domain-verification=1c58ecede588d84366a7e43f8d0da07bcf694f5ac2e56f2fcd54dbf7adc8431a
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 itsllcusa.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits