sullivanhealth.org

Valid Email Server
Domain Lookup › sullivanhealth.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sullivanhealth.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 11:11:06 UTC · ↺ Refresh

MX Hostnames

  • d133166a.ess.barracudanetworks.com
  • d133166b.ess.barracudanetworks.com

MX Priorities

  • d133166a.ess.barracudanetworks.com: 10
  • d133166b.ess.barracudanetworks.com: 20

A / AAAA Records

  • 76.76.21.21 (no PTR)

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 ns35.domaincontrol.com dns.jomax.net 2024112600 28800 7200 604800 600
Primary NS (mname)
ns35.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024112600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns35.domaincontrol.com
ns36.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:216.41.252.187 ip4:96.33.249.242 ip4:192.68.81.9 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

10 records
  • @fhlo65b02j1i53vk7jukfrhe75
  • MS=ms67467040
  • sWcWieZUeVHfMgltFVoTs8K/px6QMxVR3CbPwPlnnhbQg4LWgDKGyAdnHSyPDOmF89V3TQ9lWObNX6wFpoFDpw==
  • v1plltm527o6esss0r1p3eo4ec
  • MS=ms62537716
  • MS=ms88409095
  • ca3-ff19efb8d2ff49c7aec301fc4cf5ad1c
  • SPFv=spf1 include:spf.protection.outlook.com ip4:216.41.252.187 ip4:96.33.249.242 ip4:192.68.81.9 include:spf.ess.barracudanetworks.com -all
  • apple-domain-verification=tO7Vxaa6ETybcB3b
  • ca3-ed0e7ec40b36450aab879364adf908ea
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