Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
casshealth.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 17:12:13 UTC · ↺ Refresh
MX Hostnames
- d19947b.ess.barracudanetworks.com
- d19947a.ess.barracudanetworks.com
MX Priorities
- d19947b.ess.barracudanetworks.com: 20
- d19947a.ess.barracudanetworks.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010362 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010362
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns1.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns0.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.110.201.51/32 ip4:192.119.249.93/32 a:pmmail2.healthcaresource.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf-001c0c01.pphosted.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- ms=ms70126941
- apple-domain-verification=8ejyf7w8TRdjwqoK
- O3ALFwLMv0Za97ylLhRjjLhFMEymlxQYgYnCRvimtIcEafJv/LQBl2Lc4LObmdE0aBmOtPAW4GU/NukeOnecJQ==
- SPFv=spf1 ip4:192.110.201.51/32 ip4:192.119.249.93/32 a:pmmail2.healthcaresource.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf-001c0c01.pphosted.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 casshealth.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits