Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dhcook.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 15:31:57 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 35.196.104.31 ↩ 31.104.196.35.bc.googleusercontent.com
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2026031408 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031408
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns51.domaincontrol.com
ns52.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a include:_netblocks.mimecast.com ip4:74.119.229.173/32 ip4:206.217.98.123/32 include:spf.protection.outlook.com include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- 5xuVLWqqO1PfHz4lqE2GYegyTNLN7D+qnDFyGeB11TzqT+zh4mPmA96lHYHkNqi0NyQXdZQA1QHHtQFE2B0osQ==
- PdEdvMnn
- atlassian-domain-verification=D6CiMQuZurVdcdKBg3YlaRxPtSvZa/qsbM3s4KJ2KxLDZpVFH8u5jRpbHVo3cBzY
- google-site-verification=WX5Csc6j5U6h74J5zIKqpq8PIVLOTB_B_lBgLXjyMu4
- SPFv=spf1 a include:_netblocks.mimecast.com ip4:74.119.229.173/32 ip4:206.217.98.123/32 include:spf.protection.outlook.com include:sendgrid.net -all
- 0ed1fe018a56888dc96f784bc994166c1b6a514f18
- v=verifydomain MS=5872614
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