Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
highmarkres.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 05:06:27 UTC · ↺ Refresh
MX Hostnames
- d178065a.ess.barracudanetworks.com
- d178065b.ess.barracudanetworks.com
MX Priorities
- d178065a.ess.barracudanetworks.com: 0
- d178065b.ess.barracudanetworks.com: 10
A / AAAA Records
- 35.162.104.35 ↩ ec2-35-162-104-35.us-west-2.compute.amazonaws.com
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns55.worldnic.com namehost.worldnic.com 126031814 10800 3600 604800 3600
Primary NS (mname)
ns55.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031814
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns55.worldnic.com
ns56.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.ultipro.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
6 records- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.ultipro.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
- apple-domain-verification=tWWkTrd2ujpzULfyGwgnWvpaQQ4BSyvzml0bGes_iI8
- knowbe4-site-verification=037dd6d71b3c60df84335c647e87f1a0
- apple-domain-verification=W1KvQUYpddCPRvGE
- apple-domain-verification=5dqmbD3yPVCflz5YJ1RzGkouLiGJhwDk2vRE7dsTmRU
- google-site-verification=Nf1aDyAEv6RdmB_tZJ2L7Qdev8q8EhMWwYvDhBdRgyc
Full email verification for highmarkres.com
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