Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lynchburgpulmonary.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 13:37:18 UTC · ↺ Refresh
MX Hostnames
- d119855a.ess.barracudanetworks.com
- d119855b.ess.barracudanetworks.com
MX Priorities
- d119855b.ess.barracudanetworks.com: 10
- d119855a.ess.barracudanetworks.com: 0
A / AAAA Records
- 173.236.221.255 ↩ lynchburgpulmonary.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns61.worldnic.com namehost.worldnic.com 123040412 10800 3600 604800 3600
Primary NS (mname)
ns61.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
123040412
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns61.worldnic.com
ns62.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:64.235.144.0/20 ip4:209.222.80.0/21 ip4:24.49.30.55/32 ip4:50.78.238.49 include:encrypt.barracuda.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 mx a ip4:64.235.144.0/20 ip4:209.222.80.0/21 ip4:24.49.30.55/32 ip4:50.78.238.49 include:encrypt.barracuda.com -all
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 lynchburgpulmonary.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits