Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercer-health.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:33:18 UTC · ↺ Refresh
MX Hostnames
- mx-02-us-east-2.prod.hydra.sophos.com
- mx-01-us-east-2.prod.hydra.sophos.com
MX Priorities
- mx-01-us-east-2.prod.hydra.sophos.com: 5
- mx-02-us-east-2.prod.hydra.sophos.com: 10
A / AAAA Records
- 151.101.2.159 (no PTR)
Mail Server IPs
- 3.135.48.136 ↩ ec2-3-135-48-136.us-east-2.compute.amazonaws.com
- 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
- 18.218.105.173 ↩ ec2-18-218-105-173.us-east-2.compute.amazonaws.com
SOA Record
Raw SOA
ns23.domaincontrol.com dns.jomax.net 2025112500 28800 7200 604800 600
Primary NS (mname)
ns23.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025112500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns23.domaincontrol.com
ns24.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.201.60.209/28 include:sendgrid.net include:mail.verity.cloud include:_spf_useast2.prod.hydra.sophos.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
6 records- sophos-domain-verification=f660006f705c94df29ad50ae1055e1584b034db4
- sophos-domain-verification=f660006f705c94df29ad50ae1055e1584b034db4
- sophos-domain-verification=f660006f705c94df29ad50ae1055e1584b034db4 v=spf1 ip4:216.201.60.209/28 -all
- SPFv=spf1 ip4:216.201.60.209/28 include:sendgrid.net include:mail.verity.cloud include:_spf_useast2.prod.hydra.sophos.com -all
- google-site-verification=GIhseBwb1Is9PwAJwwJOXQhLuXvRIYLJevc77mQinYQ
- sophos-domain-verification=9bb1f20dc1b81b1a584fcb08403f2b59ba8500822e7a6467a203a23db08998c7
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