Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nebraskaarthritis.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:21:54 UTC · ↺ Refresh
MX Hostnames
- d64597b.ess.barracudanetworks.com
- d64597a.ess.barracudanetworks.com
MX Priorities
- d64597a.ess.barracudanetworks.com: 5
- d64597b.ess.barracudanetworks.com: 10
A / AAAA Records
- 151.101.130.159 (no PTR)
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
ns77.domaincontrol.com dns.jomax.net 2025030300 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025030300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns78.domaincontrol.com
ns77.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=DB072CDC0637694B43C4D352A8779A8BB7145214
- SPFv=spf1 include:spf.ess.barracudanetworks.com -all
- MS=ms84254340
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 nebraskaarthritis.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits