Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nkchealth.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:10:10 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 23.185.0.2 (no PTR)
- 2620:12a:8000::2 (no PTR)
- 2620:12a:8001::2 (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2026031602 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031602
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns09.domaincontrol.com
ns10.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=b466y2n4._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 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
5 records- SPFv=spf1 redirect=b466y2n4._spf._d.mim.ec
- _betterimpact-rewrite-sender
- jamf-site-verification=HRfgxtQj1wDdJuljheW_MA
- sending_domain992792=8abf4e0a8a7853d1b8906ef965f76bb910a3b00b0586de3b08e67a52b218bd55
- vmware-cloud-verification-8fe875a6-abbd-4450-9d16-45235b0263b8
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